xAI

Grok (xAI)

Multimodal model

xAI's assistant with real-time access to X, integrated into Tesla and the X platform.

Official site Coverage & forum Compare

Version timeline as of Jul 22, 2026.

Version timeline

12 versions

Grok 4.5CurrentDefault
Released Jul 8, 2026grok-4.5· 500K ctx
Flagship per the July 2026 Grok content pack (Slice 761). Confirm live context/pricing on x.ai / grok.com before quoting.
Grok 4.3Active
Released Apr 30, 2026grok-4.3· 1M ctx · Flagship
Current flagship; cost-efficient ($1.25/$2.50 per 1M), 1M context, strong agentic tool-calling and native real-time X/web access.

Report an issue with Grok (xAI)

Posts to your status feed

Pick the closest match below, edit the body, and post. Your report carries the #grok tag automatically so it surfaces here + in the trending-tags rail. Reporting also follows Grok (xAI) so you’ll get status updates.

Down Very Slow Hallucinating Refusing Prompts Rate-Limited Other

Releases are dated and source-credited where available. Catch Me Up — everything that changed across AI & smart home ↗

Grok (xAI)

Version timeline

Report an issue with Grok (xAI)

Community status