ModelGrok-4.8
Grok 4.8
A next-generation Grok model reportedly under development by xAI. Its name has appeared in server-side model lists detected by third-party monitoring services, though no official announcement or release has been confirmed.
Timeline (last 90 days)
Oct 10
Leaked information shows that Grok 4.8 has appeared in xAI's official Grok Build repository, referenced by the model selector and routing tests.
Unverified50%
Sep 30
Third-party monitoring account LuminaBench reports that Grok 4.8 has appeared in Cursor's server-side model list, but neither xAI nor Cursor has officially confirmed this.
Expired50%