On 30 October 2026, Elon Musk posted on X:
I know it’s taken longer than expected, but Grok 4.8 will not be a disappointment.
We’re not optimizing for benchmarks and I really don’t care how Grok does on those, but it will be incredibly useful.
What was announced
Elon Musk confirmed that Grok 4.8 is in development and that the delay has been longer than expected. He stated it will not be a disappointment and will be “incredibly useful.” The post also notes that the team is not optimizing for benchmarks.
No release date, pricing, availability details, or technical specifications were provided.
Context
Grok 4.7 was released on 21 September 2026 as SpaceXSI’s most capable model for coding and knowledge work, available in Cursor, Grok Build, and the Grok API at the same price and speed as Grok 4.6. Previous major releases have followed similar patterns of official announcements on x.ai and from company accounts.
Limits of this report
This article reports only the statements in the 30 October 2026 post by @elonmusk. It does not include a release timeline, model specifications, benchmark results, availability details, or any other claims not present in the source. No independent verification or additional official statements were available at the time of writing.