Google’s recent stealth testing of what appears to be Gemini 4 Pro (internal codename Argon) on LMSYS Chatbot Arena under disguised labels like gemini-3.8-flash has driven trader focus on an imminent Pro debut. Community reports from mid-September highlight strong performance in coding, agentic tasks, spatial reasoning, and extended context windows during blind evaluations, consistent with Google DeepMind’s July confirmation of its most ambitious pre-training run to date. This follows a series of Flash releases, including Gemini 3.8 Flash in early September that quickly posted competitive Arena scores around 1494. Traders are watching for an official October launch event that could place the next labeled Pro variant directly on the leaderboard, amid ongoing pressure from Claude Opus and GPT-5 entries.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated$182,666 Vol.
1480+
93%
1490+
81%
1495+
82%
1500+
65%
1510+
43%
$182,666 Vol.
1480+
93%
1490+
81%
1495+
82%
1500+
65%
1510+
43%
Any Gemini model newly added to the leaderboard and labeled as "Pro" may qualify (e.g., gemini-2.5-pro, gemini-3-pro, or gemini-3.1-pro-preview). Gemini models labeled only as Flash, Flash-Lite, or another non-Pro variant will not qualify.
Results from the "Score" column under the "Text Arena | Overall" Leaderboard tab at https://lmarena.ai/leaderboard/text with style control off will be used to resolve this market. This market will resolve solely based on the specified score in the Score column of the leaderboard, regardless of any underlying granular or unrounded data presented elsewhere.
If multiple models are added to the leaderboard on the same calendar date (ET), the highest-scoring model will be used for resolution. Models added to the leaderboard on the calendar date following the initial qualifying model’s first appearance will not be considered.
A qualifying model must be newly added to the Arena.AI Leaderboard. Whether the model was previously released, publicly accessible, in beta, or otherwise available before appearing on the leaderboard is irrelevant for this market.
The resolution source for this market is the Chatbot Arena LLM Leaderboard found at arena.ai/leaderboard/text. If this resolution source is unavailable at 12:00 PM ET on the calendar date following the date on which the qualifying model first appears on the leaderboard, this market will resolve based on the first subsequent instance at which such a score becomes available on the leaderboard. If it remains unavailable through the end of the seventh day after the qualifying model first appears on the leaderboard or if no qualifying model release occurs by December 31, 2026, 11:59 PM ET, this market will resolve to "No".
Market Opened: May 18, 2026, 3:24 PM ET
Resolver
0x65070BE91...Any Gemini model newly added to the leaderboard and labeled as "Pro" may qualify (e.g., gemini-2.5-pro, gemini-3-pro, or gemini-3.1-pro-preview). Gemini models labeled only as Flash, Flash-Lite, or another non-Pro variant will not qualify.
Results from the "Score" column under the "Text Arena | Overall" Leaderboard tab at https://lmarena.ai/leaderboard/text with style control off will be used to resolve this market. This market will resolve solely based on the specified score in the Score column of the leaderboard, regardless of any underlying granular or unrounded data presented elsewhere.
If multiple models are added to the leaderboard on the same calendar date (ET), the highest-scoring model will be used for resolution. Models added to the leaderboard on the calendar date following the initial qualifying model’s first appearance will not be considered.
A qualifying model must be newly added to the Arena.AI Leaderboard. Whether the model was previously released, publicly accessible, in beta, or otherwise available before appearing on the leaderboard is irrelevant for this market.
The resolution source for this market is the Chatbot Arena LLM Leaderboard found at arena.ai/leaderboard/text. If this resolution source is unavailable at 12:00 PM ET on the calendar date following the date on which the qualifying model first appears on the leaderboard, this market will resolve based on the first subsequent instance at which such a score becomes available on the leaderboard. If it remains unavailable through the end of the seventh day after the qualifying model first appears on the leaderboard or if no qualifying model release occurs by December 31, 2026, 11:59 PM ET, this market will resolve to "No".
Resolver
0x65070BE91...Google’s recent stealth testing of what appears to be Gemini 4 Pro (internal codename Argon) on LMSYS Chatbot Arena under disguised labels like gemini-3.8-flash has driven trader focus on an imminent Pro debut. Community reports from mid-September highlight strong performance in coding, agentic tasks, spatial reasoning, and extended context windows during blind evaluations, consistent with Google DeepMind’s July confirmation of its most ambitious pre-training run to date. This follows a series of Flash releases, including Gemini 3.8 Flash in early September that quickly posted competitive Arena scores around 1494. Traders are watching for an official October launch event that could place the next labeled Pro variant directly on the leaderboard, amid ongoing pressure from Claude Opus and GPT-5 entries.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated



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