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Grok 5 released by...?: live odds and probabilities

The market favorite is December 31 at 11.0%, ahead of November 30 at 1.8%. $28K traded across 2 outcomes.

Updated 2026-11-06 02:18 UTC · Source: Polymarket · 18+ · Market prices, not predictions or advice

Favorite

11.0%
December 31 · Trade →

24h move

+1.0
pts · 7d -13.0

Volume

$28K
24h $415 · liquidity $5K

Closes

January 1, 2027
56 days left

AIGrokTechBig TechElon Musk

All outcomes

OutcomeProbability24h7dVolumeSpread
December 3111.0% +1.0-13.0$13K4.0¢
November 301.8% 0.0-5.1$4K2.1¢

Prices are the Polymarket mid or last trade at 2026-11-06 02:18 UTC. A price of 64¢ implies roughly a 64% chance. Prices include spread and are not forecasts by BetG8.

📱 Compare how the same event is priced across venues on Polymtrade.Referral link. 18+.

Price history

0%25%50%75%100%10-0610-2111-06
December 31November 30

Market rules and resolution

This market will resolve to "Yes" if xAI's Grok 5 model is made available to the general public by the specified date (ET). Otherwise, this market will resolve to "No." 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.

How to read this market

Each share pays $1 if its outcome happens. Buying December 31 at 11% risks 11¢ to win 89¢. Prices move with news and order flow, and thin markets can swing on small trades, so check volume and spread before treating a number as the crowd's view. See our guides to implied probability and how markets resolve.

Frequently asked questions

Who is favored in "Grok 5 released by...?"?
As of November 6, 2026, December 31 is the favorite at 11.0%, followed by November 30 at 1.8%.
When does this market resolve?
The market is scheduled to close on January 1, 2027. It resolves under Polymarket's rules once the outcome is known, which can be earlier or later than the listed date.
How much has been traded?
$28K in total and $415 in the last 24 hours, with about $5K of resting liquidity.
Can I trade this market?
Polymarket restricts access by location; the US version (Polymarket US) and the offshore site have different rules and fee schedules. Check availability in your jurisdiction. BetG8 earns a referral fee from the Polymtrade links on this page.

Related on BetG8

Data: Polymarket Gamma and CLOB APIs, fetched by BetG8 at the time shown above. Venues may restrict access by location. 18+ only.