A data leak on March 26, 2026, exposed Anthropic's unreleased "Claude Mythos" model, described as their most capable yet with significant advances in coding, reasoning, and cybersecurity, which the company has confirmed is now in early access testing. You can read more about that here: https://fortune.com/2026/03/26/anthropic-says-testing-mythos-powerful-new-ai-model-after-data-leak-reveals-its-existence-step-change-in-capabilities/.
This market will resolve to "Yes" if Anthropic releases "Claude Mythos" or a model confirmed to be the same model referenced in the leak described above, and that model is made available to the general public by the listed date (ET). Otherwise, this market will resolve to "No."
A qualifying model must be named "Claude Mythos" (e.g., Claude Mythos 1, Claude Mythos 5, Claude Mythos X, would count) or be confirmed to be the same model referenced in the leak by Anthropic or by a consensus of credible reporting.
Products labeled as Claude Haiku, Sonnet, and Opus 4.7/5.0 or similar will not count for this market's resolution unless they are confirmed to be the same model referenced in the leak.
For this market to resolve to "Yes," the qualifying model (as defined above) must be launched and publicly accessible, including via open beta or open rolling waitlist signups. A closed beta or any form of private access will not suffice. The release must be clearly defined and publicly announced by Anthropic as being accessible to the general public.
If a qualifying model is made publicly accessible and labeled with the relevant version name within the company’s official website, this will qualify as “publicly announced”. Labeling errors, placeholder text, or version names displayed on the website that do not correspond to a model that is actually accessible to the general public under the rules will not qualify.
The primary resolution source for this market will be official information from Anthropic; however, a consensus of credible reporting will also be used.A data leak on March 26, 2026, exposed Anthropic's unreleased "Claude Mythos" model, described as their most capable yet with significant advances in coding, reasoning, and cybersecurity, which the company has confirmed is now in early access testing. You can read more about that here: https://fortune.com/2026/03/26/anthropic-says-testing-mythos-powerful-new-ai-model-after-data-leak-reveals-its-existence-step-change-in-capabilities/.
This market will resolve to "Yes" if Anthropic releases "Claude Mythos" or a model confirmed to be the same model referenced in the leak described above, and that model is made available to the general public by the listed date (ET). Otherwise, this market will resolve to "No."
Any model whose official name includes “Mythos,” or that Anthropic officially describes as a “Mythos-class” model or similar, will qualify towards this market’s resolution.
Products labeled as Claude Haiku, Sonnet, and Opus 4.7/5.0 or similar will not count for this market's resolution unless they are confirmed to be the same model referenced in the leak.
For this market to resolve to "Yes," the qualifying model (as defined above) must be launched and publicly accessible, including via open beta or open rolling waitlist signups. A closed beta or any form of private access will not suffice. The release must be clearly defined and publicly announced by Anthropic as being accessible to the general public.
If a qualifying model is made publicly accessible and labeled with the relevant version name within the company’s official website, this will qualify as “publicly announced”. Labeling errors, placeholder text, or version names displayed on the website that do not correspond to a model that is actually accessible to the general public under the rules will not qualify.
The primary resolution source for this market will be official information from Anthropic; however, a consensus of credible reporting will also be used.Anthropic announced Claude Mythos Preview on April 7, 2026, as its most capable frontier large language model to date, with exceptional performance in software engineering, reasoning, and especially cybersecurity tasks such as zero-day exploitation. Due to these risks, the company limited initial access to vetted partners through Project Glasswing for cybersecurity-focused use only, with private preview availability also on Google Cloud Vertex AI; it has not gone generally available. Subsequent safer models like Claude Opus 4.8 and Fable 5 reached wider release in May and June 2026, while Mythos remains restricted. Traders should monitor Anthropic statements on safeguard progress and any expanded partnerships, as these directly influence timelines for broader Mythos-class availability.
This market will resolve to "Yes" if Anthropic releases "Claude Mythos" or a model confirmed to be the same model referenced in the leak described above, and that model is made available to the general public by the listed date (ET). Otherwise, this market will resolve to "No."
A qualifying model must be named "Claude Mythos" (e.g., Claude Mythos 1, Claude Mythos 5, Claude Mythos X, would count) or be confirmed to be the same model referenced in the leak by Anthropic or by a consensus of credible reporting.
Products labeled as Claude Haiku, Sonnet, and Opus 4.7/5.0 or similar will not count for this market's resolution unless they are confirmed to be the same model referenced in the leak.
For this market to resolve to "Yes," the qualifying model (as defined above) must be launched and publicly accessible, including via open beta or open rolling waitlist signups. A closed beta or any form of private access will not suffice. The release must be clearly defined and publicly announced by Anthropic as being accessible to the general public.
If a qualifying model is made publicly accessible and labeled with the relevant version name within the company’s official website, this will qualify as “publicly announced”. Labeling errors, placeholder text, or version names displayed on the website that do not correspond to a model that is actually accessible to the general public under the rules will not qualify.
The primary resolution source for this market will be official information from Anthropic; however, a consensus of credible reporting will also be used.
A data leak on March 26, 2026, exposed Anthropic's unreleased "Claude Mythos" model, described as their most capable yet with significant advances in coding, reasoning, and cybersecurity, which the company has confirmed is now in early access testing. You can read more about that here: https://fortune.com/2026/03/26/anthropic-says-testing-mythos-powerful-new-ai-model-after-data-leak-reveals-its-existence-step-change-in-capabilities/.
This market will resolve to "Yes" if Anthropic releases "Claude Mythos" or a model confirmed to be the same model referenced in the leak described above, and that model is made available to the general public by the listed date (ET). Otherwise, this market will resolve to "No."
A qualifying model must be named "Claude Mythos" (e.g., Claude Mythos 1, Claude Mythos 5, Claude Mythos X, would count) or be confirmed to be the same model referenced in the leak by Anthropic or by a consensus of credible reporting.
Products labeled as Claude Haiku, Sonnet, and Opus 4.7/5.0 or similar will not count for this market's resolution unless they are confirmed to be the same model referenced in the leak.
For this market to resolve to "Yes," the qualifying model (as defined above) must be launched and publicly accessible, including via open beta or open rolling waitlist signups. A closed beta or any form of private access will not suffice. The release must be clearly defined and publicly announced by Anthropic as being accessible to the general public.
If a qualifying model is made publicly accessible and labeled with the relevant version name within the company’s official website, this will qualify as “publicly announced”. Labeling errors, placeholder text, or version names displayed on the website that do not correspond to a model that is actually accessible to the general public under the rules will not qualify.
The primary resolution source for this market will be official information from Anthropic; however, a consensus of credible reporting will also be used.
已提议结果: 否
无争议
最终结果: 否
Anthropic announced Claude Mythos Preview on April 7, 2026, as its most capable frontier large language model to date, with exceptional performance in software engineering, reasoning, and especially cybersecurity tasks such as zero-day exploitation. Due to these risks, the company limited initial access to vetted partners through Project Glasswing for cybersecurity-focused use only, with private preview availability also on Google Cloud Vertex AI; it has not gone generally available. Subsequent safer models like Claude Opus 4.8 and Fable 5 reached wider release in May and June 2026, while Mythos remains restricted. Traders should monitor Anthropic statements on safeguard progress and any expanded partnerships, as these directly influence timelines for broader Mythos-class availability.
No public release of Claude Mythos announced; Project Glasswing remains limited access
June 30 surges to 78%38%
By June 8, 2026, Anthropic had not publicly released Claude Mythos to the general public, maintaining restricted access through Project Glasswing. This confirmed the market's final resolution that the model was not publicly accessible by the listed dates.
Jun 7 2026
No public release of Claude Mythos; model remains restricted to partners
June 30 surges to 63%39%
As of June 7, Anthropic has not publicly released Claude Mythos, maintaining restricted access through Project Glasswing. This confirms the market's lower prices for earlier release dates and higher confidence for later dates, reflecting ongoing uncertainty about a public launch.
Jun 2 2026
Anthropic expands access to Claude Mythos Preview to additional partners
July 31 jumps to 83%10%
Anthropic broadened access to Claude Mythos Preview for more cybersecurity partners, enabling further testing and vulnerability discovery, but still restricted from general public availability. This expansion reinforced expectations of a public release later in the summer.
Jun 2 2026
Anthropic Expands Claude Mythos Access to 150 Organizations Globally
June 15 jumps to 18%9%
Anthropic significantly expanded access to Claude Mythos for cybersecurity, making it available to 150 organizations across more than 15 countries, signaling rapid progress toward broader availability.
May 28 2026
Anthropic Releases Claude Opus 4.7, Confirming Mythos Remains Restricted
July 31 surges to 75%23%
Anthropic launched Claude Opus 4.7 and explicitly stated it is less capable than the restricted Claude Mythos, reinforcing that Mythos-class models will only be released after new safeguards are proven.
May 28 2026
Anthropic Promises Mythos-Class Models for All Customers in the Coming Weeks
July 31 surges to 80%28%
Alongside the release of Claude Opus 4.8, Anthropic announced that it expects to bring Mythos-class models to all customers in the coming weeks, sparking a massive surge in the probability of a release by June 30 and July 31.
May 22 2026
Anthropic expands Project Glasswing access and discloses over 10,000 vulnerabilities found
June 30 jumps to 22%11%
Anthropic announced that Project Glasswing partners have identified over 10,000 high-severity vulnerabilities using Claude Mythos Preview, signaling progress in testing and development of safeguards before a broader release. The company reiterated no public release date but expressed intent to make Mythos-class models generally available once safeguards are in place.
Apr 10 2026
Market price drops to 13% as investors question Claude Mythos public release
June 30 drops to 13%11%
The price plunged to 13% on April 10, 2026, as investors reacted to Anthropic's decision to limit Claude Mythos to early access only, failing to meet the market's requirement for open beta or public access.
Apr 9 2026
Anthropic announces Claude Mythos in early access with no public beta
June 30 drops to 18%8%
Anthropic confirmed Claude Mythos was in early access testing with a small group of customers, but emphasized no public beta or open access, which failed to meet the market's requirement for general public availability.
Apr 8 2026
Unauthorized Users Reportedly Gain Brief Access to Claude Mythos
June 30 jumps to 28%7%
Reports emerged that unauthorized users briefly accessed Claude Mythos Preview through a third-party vendor environment, raising security concerns but not altering the official restricted release policy.
Apr 8 2026
Anthropic Suffers Second Leak Exposing Claude Code Source Files
June 30 jumps to 28%7%
Shortly after the Mythos announcement, Anthropic accidentally published the full source code of Claude Code to NPM, raising further concerns about its internal security practices and data vulnerabilities.
Apr 8 2026
Unauthorized access to Claude Mythos reported amid limited rollout
June 30 dips to 27%1%
Bloomberg News reported that several unauthorized users gained access to Claude Mythos despite Anthropic's limited rollout under Project Glasswing, raising concerns about security and influencing market perceptions about the model's controlled availability.
Apr 7 2026
Anthropic Launches Project Glasswing and Restricts Claude Mythos Access
June 30 plunges to 21%35%
Anthropic officially announced Claude Mythos Preview alongside Project Glasswing, a defensive cybersecurity initiative. The company explicitly stated it does not plan to make the model generally available to the public due to severe cybersecurity risks.
Apr 7 2026
Anthropic officially discloses Claude Mythos and launches Project Glasswing
June 30 jumps to 33%5%
Anthropic announced Claude Mythos Preview but stated it would not be publicly released due to its powerful cybersecurity capabilities. Instead, Anthropic launched Project Glasswing, granting early access to over 40 major tech companies for cybersecurity defense, limiting public availability and impacting market expectations.
Apr 7 2026
Anthropic Officially Announces Claude Mythos Preview and Project Glasswing
June 30 plunges to 18%36%
Anthropic officially announced Claude Mythos Preview as a gated research preview restricted to select technology and critical infrastructure partners under Project Glasswing, confirming it would not immediately be released to the general public.
Apr 7 2026
Anthropic publicly discloses Claude Mythos and launches Project Glasswing with limited access
June 30 plunges to 35%21%
Anthropic officially announced Claude Mythos on April 7, revealing its unprecedented cybersecurity capabilities and the decision not to release it publicly. Instead, they launched Project Glasswing, granting early access only to select cybersecurity partners, which tempered market expectations for a public release.
Apr 7 2026
Anthropic Unveils Claude Mythos Preview but Withholds Public Release Over Cybersecurity Risks
June 30 plunges to 24%30%
Anthropic officially announced its most powerful model, Claude Mythos Preview, but declared it would not release the model to the general public. Instead, it launched Project Glasswing to share the model exclusively with a defensive coalition of tech giants to patch critical vulnerabilities.
Apr 7 2026
Unauthorized access to Claude Mythos reported during Project Glasswing launch
June 30 jumps to 34%6%
On the same day as the Project Glasswing launch, Bloomberg News reported that several unauthorized users gained access to Claude Mythos, raising concerns about the model's security and influencing market perceptions about its controlled release.
Apr 7 2026
Anthropic Launches Project Glasswing, Restricting Claude Mythos to Defensive Partners
June 30 plunges to 21%36%
Anthropic officially announced Claude Mythos Preview but restricted its access to a consortium of tech giants under Project Glasswing, stating it has no plans for a general public release due to cybersecurity risks.
Apr 7 2026
Anthropic's Claude Mythos Preview found thousands of zero-day vulnerabilities
June 30 surges to 87%33%
Anthropic revealed that Claude Mythos, their most powerful AI model, had autonomously discovered thousands of zero-day vulnerabilities across major operating systems and web browsers, including a 27-year-old flaw in FreeBSD. The company decided against public release due to cybersecurity risks.
Apr 7 2026
Anthropic announces Claude Mythos Preview launch with Project Glasswing for cybersecurity partners
June 30 plunges to 26%46%
Anthropic officially disclosed Claude Mythos Preview, stating it is 'currently far ahead of any other AI model in cyber capabilities' and announced Project Glasswing to limit public access to the model.
Mar 27 2026
Cybersecurity Stocks Fall Following Leaked Details of Claude Mythos
June 30 plunges to 57%19%
Reports of Claude Mythos's advanced autonomous cybersecurity capabilities triggered a sell-off in cybersecurity stocks, highlighting the market's belief in the model's disruptive power.
Mar 27 2026
Anthropic confirms Claude Mythos leak and its advanced capabilities
June 30 surges to 57%15%
Anthropic publicly acknowledged the leak and confirmed Claude Mythos as a new, more powerful AI model tier above Opus, with dramatically higher scores in coding, reasoning, and cybersecurity. This confirmation increased market confidence in the model's existence and potential future deployment.
Mar 27 2026
NFTENEX reports Anthropic confirms Claude Mythos leak with 'step change' capabilities
June 30 rises to 73%3%
Security researchers uncovered a CMS misconfiguration that exposed draft blog posts describing Claude Mythos as 'by far the most powerful AI model we've ever developed,' confirming the model's existence and capabilities.
Mar 27 2026
Anthropic confirms Claude Mythos as a new, more powerful AI model tier
June 30 surges to 57%15%
Following the leak, Anthropic confirmed Claude Mythos as a new fourth-tier AI model, larger and more capable than previous models, emphasizing its step-change in capabilities, especially in cybersecurity and coding. This confirmation increased market confidence in the model's significance.
Mar 27 2026
NFTENEX reports Anthropic's Claude Mythos leak exposes 'step change' AI model
Yes surges to 70%25%
A security misconfiguration leaked draft blog posts describing Claude Mythos as 'by far the most powerful AI model we've ever developed' with 'dramatically higher scores' in coding, reasoning, and cybersecurity.
A data leak on March 26, 2026, exposed Anthropic's unreleased "Claude Mythos" model, described as their most capable yet with significant advances in coding, reasoning, and cybersecurity, which the company has confirmed is now in early access testing. You can read more about that here: https://fortune.com/2026/03/26/anthropic-says-testing-mythos-powerful-new-ai-model-after-data-leak-reveals-its-existence-step-change-in-capabilities/.
This market will resolve to "Yes" if Anthropic releases "Claude Mythos" or a model confirmed to be the same model referenced in the leak described above, and that model is made available to the general public by the listed date (ET). Otherwise, this market will resolve to "No."
A qualifying model must be named "Claude Mythos" (e.g., Claude Mythos 1, Claude Mythos 5, Claude Mythos X, would count) or be confirmed to be the same model referenced in the leak by Anthropic or by a consensus of credible reporting.
Products labeled as Claude Haiku, Sonnet, and Opus 4.7/5.0 or similar will not count for this market's resolution unless they are confirmed to be the same model referenced in the leak.
For this market to resolve to "Yes," the qualifying model (as defined above) must be launched and publicly accessible, including via open beta or open rolling waitlist signups. A closed beta or any form of private access will not suffice. The release must be clearly defined and publicly announced by Anthropic as being accessible to the general public.
If a qualifying model is made publicly accessible and labeled with the relevant version name within the company’s official website, this will qualify as “publicly announced”. Labeling errors, placeholder text, or version names displayed on the website that do not correspond to a model that is actually accessible to the general public under the rules will not qualify.
The primary resolution source for this market will be official information from Anthropic; however, a consensus of credible reporting will also be used.A data leak on March 26, 2026, exposed Anthropic's unreleased "Claude Mythos" model, described as their most capable yet with significant advances in coding, reasoning, and cybersecurity, which the company has confirmed is now in early access testing. You can read more about that here: https://fortune.com/2026/03/26/anthropic-says-testing-mythos-powerful-new-ai-model-after-data-leak-reveals-its-existence-step-change-in-capabilities/.
This market will resolve to "Yes" if Anthropic releases "Claude Mythos" or a model confirmed to be the same model referenced in the leak described above, and that model is made available to the general public by the listed date (ET). Otherwise, this market will resolve to "No."
Any model whose official name includes “Mythos,” or that Anthropic officially describes as a “Mythos-class” model or similar, will qualify towards this market’s resolution.
Products labeled as Claude Haiku, Sonnet, and Opus 4.7/5.0 or similar will not count for this market's resolution unless they are confirmed to be the same model referenced in the leak.
For this market to resolve to "Yes," the qualifying model (as defined above) must be launched and publicly accessible, including via open beta or open rolling waitlist signups. A closed beta or any form of private access will not suffice. The release must be clearly defined and publicly announced by Anthropic as being accessible to the general public.
If a qualifying model is made publicly accessible and labeled with the relevant version name within the company’s official website, this will qualify as “publicly announced”. Labeling errors, placeholder text, or version names displayed on the website that do not correspond to a model that is actually accessible to the general public under the rules will not qualify.
The primary resolution source for this market will be official information from Anthropic; however, a consensus of credible reporting will also be used.Anthropic announced Claude Mythos Preview on April 7, 2026, as its most capable frontier large language model to date, with exceptional performance in software engineering, reasoning, and especially cybersecurity tasks such as zero-day exploitation. Due to these risks, the company limited initial access to vetted partners through Project Glasswing for cybersecurity-focused use only, with private preview availability also on Google Cloud Vertex AI; it has not gone generally available. Subsequent safer models like Claude Opus 4.8 and Fable 5 reached wider release in May and June 2026, while Mythos remains restricted. Traders should monitor Anthropic statements on safeguard progress and any expanded partnerships, as these directly influence timelines for broader Mythos-class availability.
This market will resolve to "Yes" if Anthropic releases "Claude Mythos" or a model confirmed to be the same model referenced in the leak described above, and that model is made available to the general public by the listed date (ET). Otherwise, this market will resolve to "No."
A qualifying model must be named "Claude Mythos" (e.g., Claude Mythos 1, Claude Mythos 5, Claude Mythos X, would count) or be confirmed to be the same model referenced in the leak by Anthropic or by a consensus of credible reporting.
Products labeled as Claude Haiku, Sonnet, and Opus 4.7/5.0 or similar will not count for this market's resolution unless they are confirmed to be the same model referenced in the leak.
For this market to resolve to "Yes," the qualifying model (as defined above) must be launched and publicly accessible, including via open beta or open rolling waitlist signups. A closed beta or any form of private access will not suffice. The release must be clearly defined and publicly announced by Anthropic as being accessible to the general public.
If a qualifying model is made publicly accessible and labeled with the relevant version name within the company’s official website, this will qualify as “publicly announced”. Labeling errors, placeholder text, or version names displayed on the website that do not correspond to a model that is actually accessible to the general public under the rules will not qualify.
The primary resolution source for this market will be official information from Anthropic; however, a consensus of credible reporting will also be used.
A data leak on March 26, 2026, exposed Anthropic's unreleased "Claude Mythos" model, described as their most capable yet with significant advances in coding, reasoning, and cybersecurity, which the company has confirmed is now in early access testing. You can read more about that here: https://fortune.com/2026/03/26/anthropic-says-testing-mythos-powerful-new-ai-model-after-data-leak-reveals-its-existence-step-change-in-capabilities/.
This market will resolve to "Yes" if Anthropic releases "Claude Mythos" or a model confirmed to be the same model referenced in the leak described above, and that model is made available to the general public by the listed date (ET). Otherwise, this market will resolve to "No."
A qualifying model must be named "Claude Mythos" (e.g., Claude Mythos 1, Claude Mythos 5, Claude Mythos X, would count) or be confirmed to be the same model referenced in the leak by Anthropic or by a consensus of credible reporting.
Products labeled as Claude Haiku, Sonnet, and Opus 4.7/5.0 or similar will not count for this market's resolution unless they are confirmed to be the same model referenced in the leak.
For this market to resolve to "Yes," the qualifying model (as defined above) must be launched and publicly accessible, including via open beta or open rolling waitlist signups. A closed beta or any form of private access will not suffice. The release must be clearly defined and publicly announced by Anthropic as being accessible to the general public.
If a qualifying model is made publicly accessible and labeled with the relevant version name within the company’s official website, this will qualify as “publicly announced”. Labeling errors, placeholder text, or version names displayed on the website that do not correspond to a model that is actually accessible to the general public under the rules will not qualify.
The primary resolution source for this market will be official information from Anthropic; however, a consensus of credible reporting will also be used.
已提议结果: 否
无争议
最终结果: 否
Anthropic announced Claude Mythos Preview on April 7, 2026, as its most capable frontier large language model to date, with exceptional performance in software engineering, reasoning, and especially cybersecurity tasks such as zero-day exploitation. Due to these risks, the company limited initial access to vetted partners through Project Glasswing for cybersecurity-focused use only, with private preview availability also on Google Cloud Vertex AI; it has not gone generally available. Subsequent safer models like Claude Opus 4.8 and Fable 5 reached wider release in May and June 2026, while Mythos remains restricted. Traders should monitor Anthropic statements on safeguard progress and any expanded partnerships, as these directly influence timelines for broader Mythos-class availability.
No public release of Claude Mythos announced; Project Glasswing remains limited access
June 30 surges to 78%38%
By June 8, 2026, Anthropic had not publicly released Claude Mythos to the general public, maintaining restricted access through Project Glasswing. This confirmed the market's final resolution that the model was not publicly accessible by the listed dates.
Jun 7 2026
No public release of Claude Mythos; model remains restricted to partners
June 30 surges to 63%39%
As of June 7, Anthropic has not publicly released Claude Mythos, maintaining restricted access through Project Glasswing. This confirms the market's lower prices for earlier release dates and higher confidence for later dates, reflecting ongoing uncertainty about a public launch.
Jun 2 2026
Anthropic expands access to Claude Mythos Preview to additional partners
July 31 jumps to 83%10%
Anthropic broadened access to Claude Mythos Preview for more cybersecurity partners, enabling further testing and vulnerability discovery, but still restricted from general public availability. This expansion reinforced expectations of a public release later in the summer.
Jun 2 2026
Anthropic Expands Claude Mythos Access to 150 Organizations Globally
June 15 jumps to 18%9%
Anthropic significantly expanded access to Claude Mythos for cybersecurity, making it available to 150 organizations across more than 15 countries, signaling rapid progress toward broader availability.
May 28 2026
Anthropic Releases Claude Opus 4.7, Confirming Mythos Remains Restricted
July 31 surges to 75%23%
Anthropic launched Claude Opus 4.7 and explicitly stated it is less capable than the restricted Claude Mythos, reinforcing that Mythos-class models will only be released after new safeguards are proven.
May 28 2026
Anthropic Promises Mythos-Class Models for All Customers in the Coming Weeks
July 31 surges to 80%28%
Alongside the release of Claude Opus 4.8, Anthropic announced that it expects to bring Mythos-class models to all customers in the coming weeks, sparking a massive surge in the probability of a release by June 30 and July 31.
May 22 2026
Anthropic expands Project Glasswing access and discloses over 10,000 vulnerabilities found
June 30 jumps to 22%11%
Anthropic announced that Project Glasswing partners have identified over 10,000 high-severity vulnerabilities using Claude Mythos Preview, signaling progress in testing and development of safeguards before a broader release. The company reiterated no public release date but expressed intent to make Mythos-class models generally available once safeguards are in place.
Apr 10 2026
Market price drops to 13% as investors question Claude Mythos public release
June 30 drops to 13%11%
The price plunged to 13% on April 10, 2026, as investors reacted to Anthropic's decision to limit Claude Mythos to early access only, failing to meet the market's requirement for open beta or public access.
Apr 9 2026
Anthropic announces Claude Mythos in early access with no public beta
June 30 drops to 18%8%
Anthropic confirmed Claude Mythos was in early access testing with a small group of customers, but emphasized no public beta or open access, which failed to meet the market's requirement for general public availability.
Apr 8 2026
Unauthorized Users Reportedly Gain Brief Access to Claude Mythos
June 30 jumps to 28%7%
Reports emerged that unauthorized users briefly accessed Claude Mythos Preview through a third-party vendor environment, raising security concerns but not altering the official restricted release policy.
Apr 8 2026
Anthropic Suffers Second Leak Exposing Claude Code Source Files
June 30 jumps to 28%7%
Shortly after the Mythos announcement, Anthropic accidentally published the full source code of Claude Code to NPM, raising further concerns about its internal security practices and data vulnerabilities.
Apr 8 2026
Unauthorized access to Claude Mythos reported amid limited rollout
June 30 dips to 27%1%
Bloomberg News reported that several unauthorized users gained access to Claude Mythos despite Anthropic's limited rollout under Project Glasswing, raising concerns about security and influencing market perceptions about the model's controlled availability.
Apr 7 2026
Anthropic Launches Project Glasswing and Restricts Claude Mythos Access
June 30 plunges to 21%35%
Anthropic officially announced Claude Mythos Preview alongside Project Glasswing, a defensive cybersecurity initiative. The company explicitly stated it does not plan to make the model generally available to the public due to severe cybersecurity risks.
Apr 7 2026
Anthropic officially discloses Claude Mythos and launches Project Glasswing
June 30 jumps to 33%5%
Anthropic announced Claude Mythos Preview but stated it would not be publicly released due to its powerful cybersecurity capabilities. Instead, Anthropic launched Project Glasswing, granting early access to over 40 major tech companies for cybersecurity defense, limiting public availability and impacting market expectations.
Apr 7 2026
Anthropic Officially Announces Claude Mythos Preview and Project Glasswing
June 30 plunges to 18%36%
Anthropic officially announced Claude Mythos Preview as a gated research preview restricted to select technology and critical infrastructure partners under Project Glasswing, confirming it would not immediately be released to the general public.
Apr 7 2026
Anthropic publicly discloses Claude Mythos and launches Project Glasswing with limited access
June 30 plunges to 35%21%
Anthropic officially announced Claude Mythos on April 7, revealing its unprecedented cybersecurity capabilities and the decision not to release it publicly. Instead, they launched Project Glasswing, granting early access only to select cybersecurity partners, which tempered market expectations for a public release.
Apr 7 2026
Anthropic Unveils Claude Mythos Preview but Withholds Public Release Over Cybersecurity Risks
June 30 plunges to 24%30%
Anthropic officially announced its most powerful model, Claude Mythos Preview, but declared it would not release the model to the general public. Instead, it launched Project Glasswing to share the model exclusively with a defensive coalition of tech giants to patch critical vulnerabilities.
Apr 7 2026
Unauthorized access to Claude Mythos reported during Project Glasswing launch
June 30 jumps to 34%6%
On the same day as the Project Glasswing launch, Bloomberg News reported that several unauthorized users gained access to Claude Mythos, raising concerns about the model's security and influencing market perceptions about its controlled release.
Apr 7 2026
Anthropic Launches Project Glasswing, Restricting Claude Mythos to Defensive Partners
June 30 plunges to 21%36%
Anthropic officially announced Claude Mythos Preview but restricted its access to a consortium of tech giants under Project Glasswing, stating it has no plans for a general public release due to cybersecurity risks.
Apr 7 2026
Anthropic's Claude Mythos Preview found thousands of zero-day vulnerabilities
June 30 surges to 87%33%
Anthropic revealed that Claude Mythos, their most powerful AI model, had autonomously discovered thousands of zero-day vulnerabilities across major operating systems and web browsers, including a 27-year-old flaw in FreeBSD. The company decided against public release due to cybersecurity risks.
Apr 7 2026
Anthropic announces Claude Mythos Preview launch with Project Glasswing for cybersecurity partners
June 30 plunges to 26%46%
Anthropic officially disclosed Claude Mythos Preview, stating it is 'currently far ahead of any other AI model in cyber capabilities' and announced Project Glasswing to limit public access to the model.
Mar 27 2026
Cybersecurity Stocks Fall Following Leaked Details of Claude Mythos
June 30 plunges to 57%19%
Reports of Claude Mythos's advanced autonomous cybersecurity capabilities triggered a sell-off in cybersecurity stocks, highlighting the market's belief in the model's disruptive power.
Mar 27 2026
Anthropic confirms Claude Mythos leak and its advanced capabilities
June 30 surges to 57%15%
Anthropic publicly acknowledged the leak and confirmed Claude Mythos as a new, more powerful AI model tier above Opus, with dramatically higher scores in coding, reasoning, and cybersecurity. This confirmation increased market confidence in the model's existence and potential future deployment.
Mar 27 2026
NFTENEX reports Anthropic confirms Claude Mythos leak with 'step change' capabilities
June 30 rises to 73%3%
Security researchers uncovered a CMS misconfiguration that exposed draft blog posts describing Claude Mythos as 'by far the most powerful AI model we've ever developed,' confirming the model's existence and capabilities.
Mar 27 2026
Anthropic confirms Claude Mythos as a new, more powerful AI model tier
June 30 surges to 57%15%
Following the leak, Anthropic confirmed Claude Mythos as a new fourth-tier AI model, larger and more capable than previous models, emphasizing its step-change in capabilities, especially in cybersecurity and coding. This confirmation increased market confidence in the model's significance.
Mar 27 2026
NFTENEX reports Anthropic's Claude Mythos leak exposes 'step change' AI model
Yes surges to 70%25%
A security misconfiguration leaked draft blog posts describing Claude Mythos as 'by far the most powerful AI model we've ever developed' with 'dramatically higher scores' in coding, reasoning, and cybersecurity.
警惕外部链接哦。
警惕外部链接哦。
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