**Trader sentiment for the Grok 5 release window centers on xAI’s pattern of slipped timelines and its accelerated 4.x cadence.** Multiple prior targets—late 2025, Q1 2026, and Q2 2026—have passed without a launch, leaving the large mixture-of-experts model (reported 6–10 trillion parameters) still in training on the expanded Colossus cluster as of late August 2026. Recent official statements, including an August 2026 update tying the model to SpaceX data, now point to a release before year-end rather than an earlier breakthrough. In the interim, xAI has shipped Grok 4.5 (July) and 4.6 (August) with strong agentic and coding benchmarks, sustaining competitive pressure while deferring the flagship leap. The absence of new benchmarks, safety details, or firm quarterly guidance keeps markets pricing the bulk of probability on December 31, 2026, while acknowledging that infrastructure scale-up or a surprise capability demonstration could accelerate the schedule.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedAugust 31
<1%
October 31
18%
November 30
52%
December 31
68%
$8,565 Vol.
August 31
<1%
October 31
18%
November 30
52%
December 31
68%
Grok 5 refers to a product explicitly named Grok 5, or a model that is clearly recognized as xAI’s next flagship generation succeeding Grok 4. Models released under the Grok 4 generation, including Grok 4.6, Grok 4.7, or similar variants, will not qualify.
Qualifying releases of task-specialized models or cost-efficiency variants will not count unless they are explicitly branded as Grok 5 or otherwise clearly announced by xAI as its next flagship Grok generation.
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 xAI 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 xAI, with additional verification from a consensus of credible reporting.
Market Opened: Jul 10, 2026, 6:20 PM ET
Resolver
0x65070BE91...Grok 5 refers to a product explicitly named Grok 5, or a model that is clearly recognized as xAI’s next flagship generation succeeding Grok 4. Models released under the Grok 4 generation, including Grok 4.6, Grok 4.7, or similar variants, will not qualify.
Qualifying releases of task-specialized models or cost-efficiency variants will not count unless they are explicitly branded as Grok 5 or otherwise clearly announced by xAI as its next flagship Grok generation.
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 xAI 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 xAI, with additional verification from a consensus of credible reporting.
Resolver
0x65070BE91...**Trader sentiment for the Grok 5 release window centers on xAI’s pattern of slipped timelines and its accelerated 4.x cadence.** Multiple prior targets—late 2025, Q1 2026, and Q2 2026—have passed without a launch, leaving the large mixture-of-experts model (reported 6–10 trillion parameters) still in training on the expanded Colossus cluster as of late August 2026. Recent official statements, including an August 2026 update tying the model to SpaceX data, now point to a release before year-end rather than an earlier breakthrough. In the interim, xAI has shipped Grok 4.5 (July) and 4.6 (August) with strong agentic and coding benchmarks, sustaining competitive pressure while deferring the flagship leap. The absence of new benchmarks, safety details, or firm quarterly guidance keeps markets pricing the bulk of probability on December 31, 2026, while acknowledging that infrastructure scale-up or a surprise capability demonstration could accelerate the schedule.
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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