Will xAI officially release Grok 5 by September 30, 2026?
Current probability of “Yes”: 88%
- Status
- Open
- Category
- Technologies
- Closing date
- 30 September 2026
- Participants
- 1
VangAI analysis
VangAI estimate: -38% for “No”, confidence 70%
- xAI has repeatedly delayed the release of Grok 5, with the last confirmed release window in Q1 2026, which was missed.
- As of September 2026, xAI has not announced an official release date for Grok 5, raising doubts about a release by September 30, 2026.
- Previous models, such as Grok 4.6, were released in August 2026, indicating potential delays in the release schedule.
- The lack of official statements and ongoing delays reduce the likelihood of Grok 5 being released by September 30, 2026.
Like a train that repeatedly delays departure, Grok 5 faces ongoing delays without a clear schedule.
Market rules
Criterion: The market resolves to "Yes" if xAI officially releases the Grok 5 model to the public (API, X/Grok app or web chat) by September 30, 2026, 12:00 UTC inclusive. Threshold: a full public release is required, not a closed beta/waitlist/early access for select users. Source: official release notes page of xAI (docs.x.ai/developers/release-notes) and official xAI/x.ai channels. Edge case: an announcement of the release date without actual public access to the model at the time of resolution counts as "No."