Grok 4.3

Name: Grok 4.3
Brand: xAI

xAI · 1 post · 0 outlets writing

released 17 April 2026, per models.dev · listed on OpenRouter 30 April 2026 · x-ai/grok-4.3

The archive holds no first-party launch post for this model yet.

Safety and policy

xAISafety or policy· 5 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

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