Google's upcoming I/O conference on May 19-20 stands as the central driver of trader sentiment on Gemini 3.5 timelines, with credible reports indicating a new model announcement expected there that lands in the performance range of recent GPT-5.5 releases. Following the February and March 2026 launches of Gemini 3.1 Pro and 3.1 Flash Lite variants, internal development pressure has intensified around coding capabilities and multimodal reasoning to close gaps with leaders like Anthropic's Mythos and OpenAI models. Market-implied odds reflect this measured pace, assigning low probability to a general release by May 31 yet rising chances through June and July, as traders weigh typical post-announcement rollout lags against historical Google timelines for developer API availability. Any I/O confirmation of a 3.5-branded model or accelerated public access would likely tighten these odds quickly.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated$1,350,787 Vol.

May 31
83%

June 30
91%

July 31
96%
$1,350,787 Vol.

May 31
83%

June 30
91%

July 31
96%
For this market to resolve to "Yes," Gemini 3.5 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 Google as being accessible to the general public.
Gemini 3.5 refers to a product explicitly named Gemini 3.5 (e.g., Gemini 3.5 Pro would count), or one that is recognized as a successor to Gemini 3, similar to the progression from Gemini 2.0 to Gemini 2.5. Products labeled as Gemini 4 or similar will not count for this market's resolution. Additional Gemini 3 models (e.g. a release of Gemini 3 Flash-lite) will not count.
The primary resolution source for this market will be official information from Google, with additional verification from a consensus of credible reporting.
Market Opened: Feb 9, 2026, 2:38 PM ET
Resolver
0x65070BE91...For this market to resolve to "Yes," Gemini 3.5 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 Google as being accessible to the general public.
Gemini 3.5 refers to a product explicitly named Gemini 3.5 (e.g., Gemini 3.5 Pro would count), or one that is recognized as a successor to Gemini 3, similar to the progression from Gemini 2.0 to Gemini 2.5. Products labeled as Gemini 4 or similar will not count for this market's resolution. Additional Gemini 3 models (e.g. a release of Gemini 3 Flash-lite) will not count.
The primary resolution source for this market will be official information from Google, with additional verification from a consensus of credible reporting.
Resolver
0x65070BE91...Google's upcoming I/O conference on May 19-20 stands as the central driver of trader sentiment on Gemini 3.5 timelines, with credible reports indicating a new model announcement expected there that lands in the performance range of recent GPT-5.5 releases. Following the February and March 2026 launches of Gemini 3.1 Pro and 3.1 Flash Lite variants, internal development pressure has intensified around coding capabilities and multimodal reasoning to close gaps with leaders like Anthropic's Mythos and OpenAI models. Market-implied odds reflect this measured pace, assigning low probability to a general release by May 31 yet rising chances through June and July, as traders weigh typical post-announcement rollout lags against historical Google timelines for developer API availability. Any I/O confirmation of a 3.5-branded model or accelerated public access would likely tighten these odds quickly.
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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