OpenAI's March 2026 rollout of GPT-5.4—featuring a 1 million token context window, native computer-use capabilities, and superior benchmarks in coding and knowledge work—has accelerated trader expectations for rapid iteration, with sentiment centering on the company as the sole originator of GPT-branded large language models. No competitors like Anthropic (Claude Opus 4.6) or xAI employ "GPT-5.5" nomenclature, solidifying OpenAI's lead in this naming race amid a monthly release cadence hinted by CEO Sam Altman. Rumors swirl around an upcoming "Spud" model, post-training complete, potentially debuting as GPT-5.5 this month; watch for unannounced API drops or developer previews that could resolve markets swiftly.
Experimental AI-generated summary referencing Polymarket data · Updated$298,264 Vol.
April 15
25%
April 30
37%
June 30
96%
$298,264 Vol.
April 15
25%
April 30
37%
June 30
96%
GPT-5.5 refers to a product explicitly named GPT-5.5, or a variant that is recognized as a direct successor to GPT-5.4, similar to the progression from GPT-5.1 to GPT-5.2. (e.g., GPT-5.6, GPT-5.7, etc would qualify toward a "Yes" resolution to this market)
Qualifying releases of task-specialized models (e.g., GPT-Codex/Transcribe), cost-efficiency variants (e.g., Nano/Mini), or reasoning models of the o-series family will count for this market. Products labeled as a new flagship generation GPT-6 or similar will NOT qualify.
For this market to resolve to "Yes," a qualifying model 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 either clearly defined and publicly announced by OpenAI as being accessible to the general public or otherwise made publicly accessible and explicitly labeled within the company’s official website. 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 will not qualify.
The primary resolution source for this market will be official information from OpenAI, with additional verification from a consensus of credible reporting.
Market Opened: Mar 12, 2026, 3:27 PM ET
Resolver
0x65070BE91...GPT-5.5 refers to a product explicitly named GPT-5.5, or a variant that is recognized as a direct successor to GPT-5.4, similar to the progression from GPT-5.1 to GPT-5.2. (e.g., GPT-5.6, GPT-5.7, etc would qualify toward a "Yes" resolution to this market)
Qualifying releases of task-specialized models (e.g., GPT-Codex/Transcribe), cost-efficiency variants (e.g., Nano/Mini), or reasoning models of the o-series family will count for this market. Products labeled as a new flagship generation GPT-6 or similar will NOT qualify.
For this market to resolve to "Yes," a qualifying model 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 either clearly defined and publicly announced by OpenAI as being accessible to the general public or otherwise made publicly accessible and explicitly labeled within the company’s official website. 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 will not qualify.
The primary resolution source for this market will be official information from OpenAI, with additional verification from a consensus of credible reporting.
Resolver
0x65070BE91...OpenAI's March 2026 rollout of GPT-5.4—featuring a 1 million token context window, native computer-use capabilities, and superior benchmarks in coding and knowledge work—has accelerated trader expectations for rapid iteration, with sentiment centering on the company as the sole originator of GPT-branded large language models. No competitors like Anthropic (Claude Opus 4.6) or xAI employ "GPT-5.5" nomenclature, solidifying OpenAI's lead in this naming race amid a monthly release cadence hinted by CEO Sam Altman. Rumors swirl around an upcoming "Spud" model, post-training complete, potentially debuting as GPT-5.5 this month; watch for unannounced API drops or developer previews that could resolve markets swiftly.
Experimental AI-generated summary referencing Polymarket data · Updated
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