xAI's aggressive release cadence, including the just-launched Grok 4.7 on September 21 following multiple delays from late July, shapes trader views on when a 4.8+ model arrives. Elon Musk outlined 4.8 as the next meaningful upgrade after 4.7, with 4.9 targeting Claude Opus/Fable-class performance and Grok 5 positioned as a potential leader, though no timelines were specified. The company’s use of proprietary SpaceX engineering data, ongoing training of larger parameter models, and competition with Anthropic and OpenAI sustain expectations for continued monthly or near-monthly iterations. Key upcoming signals include Musk’s X updates on training completion or beta access, which have historically preceded public launches.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedOctober 31
26%
November 30
63%
$0.00 Vol.
October 31
26%
November 30
63%
A qualifying model must have a name or model identifier that includes "Grok" and be designated as version 4.8 or higher, regardless of capitalization or surrounding prefixes, suffixes, dates, or descriptors. For example, a version 4.8 or higher named in the same manner as Grok 4.5, Grok 4.6, or Grok 4.7 would qualify, including reasoning, Fast, Heavy, or similar variants carrying a 4.8 or higher designation and a new whole-number generation such as Grok 5, while models whose name does not include "Grok" or which retain a version designation below 4.8, such as Grok 4.7 (released September 21, 2026), including any rollout, promotion, or snapshot of it, will not qualify. Separately numbered product lines that do not carry the core Grok version designation, such as Grok Code Fast or Grok Imagine, will not qualify, and version numbers of the Grok app, website, or other products that do not correspond to a new underlying model will not qualify.
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 either be clearly defined and publicly announced by SpaceXAI as accessible to the general public, or otherwise be made publicly accessible and explicitly labeled on 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 SpaceXAI, with additional verification from a consensus of credible reporting.
Market Opened: Sep 22, 2026, 10:44 AM ET
Resolver
0x65070BE91...A qualifying model must have a name or model identifier that includes "Grok" and be designated as version 4.8 or higher, regardless of capitalization or surrounding prefixes, suffixes, dates, or descriptors. For example, a version 4.8 or higher named in the same manner as Grok 4.5, Grok 4.6, or Grok 4.7 would qualify, including reasoning, Fast, Heavy, or similar variants carrying a 4.8 or higher designation and a new whole-number generation such as Grok 5, while models whose name does not include "Grok" or which retain a version designation below 4.8, such as Grok 4.7 (released September 21, 2026), including any rollout, promotion, or snapshot of it, will not qualify. Separately numbered product lines that do not carry the core Grok version designation, such as Grok Code Fast or Grok Imagine, will not qualify, and version numbers of the Grok app, website, or other products that do not correspond to a new underlying model will not qualify.
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 either be clearly defined and publicly announced by SpaceXAI as accessible to the general public, or otherwise be made publicly accessible and explicitly labeled on 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 SpaceXAI, with additional verification from a consensus of credible reporting.
Resolver
0x65070BE91...xAI's aggressive release cadence, including the just-launched Grok 4.7 on September 21 following multiple delays from late July, shapes trader views on when a 4.8+ model arrives. Elon Musk outlined 4.8 as the next meaningful upgrade after 4.7, with 4.9 targeting Claude Opus/Fable-class performance and Grok 5 positioned as a potential leader, though no timelines were specified. The company’s use of proprietary SpaceX engineering data, ongoing training of larger parameter models, and competition with Anthropic and OpenAI sustain expectations for continued monthly or near-monthly iterations. Key upcoming signals include Musk’s X updates on training completion or beta access, which have historically preceded public launches.
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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