xAIGrok 4.3

Is Grok 4.3 out yet?

Yes.

Available

About Grok 4.3

xAI's current flagship — native video input, document generation, and stronger tool-calling.

How we confirmed it

Released via official access

April 17, 2026 at 12:00 AM UTC

Release timeline

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    Benchmarks

    GDP.pdf

    Grok 4.3 (High) · via Epoch AI · captured Aug 16, 2026 · source

    8

    LM Arena#78

    grok-4.3 · via LM Arena · 56,772 votes · captured Aug 16, 2026 · source

    1441.5325284831802

    InstructionFollowing#5

    Grok 4.3 · via BenchLM.ai · captured Aug 16, 2026 · source

    94.5

    Knowledge#46

    Grok 4.3 · via BenchLM.ai · captured Aug 16, 2026 · source

    55.4

    Sourced metrics mirrored with attribution - not community sentiment.

    Data from BenchLM.ai.

    Data from Epoch AI, “AI Benchmarking Hub” (CC BY 4.0).

    Vibe rating

    How this model actually feels to use, rated by the people here.

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    Model Pulse

    How is this model behaving today? One check-in per person per day: the running record of “did they nerf it”. Resets at midnight UTC.

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    Community consensus

    An AI summary of the public comments here. Not a sourced fact.

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    Compare Grok 4.3 with another model →

    Also waiting on: Gemini 3.5 Pro, Claude Fable 5.1, Claude Mythos 5.1, GLM-6

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