xAI · Grok (xAI)
Grok 4.5
CurrentDefaultReleased 14 days ago· Jul 8, 2026Multimodal model
Flagship per the July 2026 Grok content pack (Slice 761). Confirm live context/pricing on x.ai / grok.com before quoting.
- API string
- grok-4.5
- Context window
- 500K ctx
- Released
- Jul 8, 2026
Release & change timeline
No dated events logged for this version yet.
Patches, price changes, benchmarks, and deprecations for Grok 4.5 will appear here as they’re recorded. Follow the broader Catch Me Up digest in the meantime.
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Part of the Grok (xAI) version timeline. Catch Me Up — everything that changed across AI & smart home ↗