Grok 4.5

xAI · 4 posts · 0 outlets writing

released 8 July 2026, per models.dev · listed on OpenRouter 8 July 2026 · x-ai/grok-4.5

Announced: 16 July 2026; from Introducing Grok 4.5

Launched with Introducing Grok 4.5.

Launch and releases

xAINew model· 16 Jul

Introducing Grok 4.5

xAI announced Grok 4.5, described as their smartest model built for coding, agentic tasks, and knowledge work.

Availability and pricing

xAIAvailability change· 28 Jul

Grok 4.5 · xAI — forck.live

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Grok 4.5

xAI · 4 posts · 0 outlets writing

released 8 July 2026, per models.dev · listed on OpenRouter 8 July 2026 · x-ai/grok-4.5

Announced: 16 July 2026; from Introducing Grok 4.5

Launched with Introducing Grok 4.5.

Launch and releases

xAINew model· 16 Jul

Introducing Grok 4.5

xAI announced Grok 4.5, described as their smartest model built for coding, agentic tasks, and knowledge work.

Availability and pricing

xAIAvailability change· 28 Jul

Grok 4.5 in GitHub Copilot

Grok 4.5 is now available in GitHub Copilot, making it accessible to users of the Copilot product as a new model option.

xAIAvailability change· 22 Jul

Bringing Grok 4.5 to iOS, Android, Web, and X

Grok 4.5 is now available on grok.com, X, iOS, and Android.

Safety and policy

xAISafety or policy· 4 days ago

Biosecurity at the frontier

xAI announces independent biosecurity evaluations of Grok 4.6 by LatchBio, showing it outperforms other frontier models in refusing hazardous tasks while maintaining routine biological work, and…

Coverage

No coverage resolved onto Grok 4.5’s posts in this window.