OpenAIo4-miniLLM

Is o4-mini out yet?

Yes.

Available

About o4-mini

A small, high-throughput reasoning model.

How we confirmed it

Released via official access

April 16, 2025 at 12:00 AM UTC

Release timeline

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    Benchmarks

    Humanity's Last Exam

    o4-mini (high) (April 2025) · via Epoch AI · captured Nov 8, 2026 · source

    18.1

    LM Arena#176

    o4-mini (2025-04-16) · via LM Arena · 44,851 votes · captured Oct 26, 2026 · source

    1390.9289036816638

    Sourced metrics mirrored with attribution - not community sentiment.

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

    Vibe rating

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    Model Pulse

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    Community consensus

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

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    Compare o4-mini with another model →

    Also waiting on: Gemini 3.5 Pro, GLM-6, Grok 5, Amazon Nova 2 Pro

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