AI Progress Tracker

    GPT-5.5 Pro · gpt-5.5-pro

    OpenAI · 23 Apr 2026

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    84from 3
    benchmarks

    Not yet confirmed by public reporting. Separately attributed family-level sandbox-escape and Hugging Face breach reports do not establish GPT-5.5 Pro involvement.

    context: 1.1Mfileimagetext$30 / $180 per 1M tokens (in / out)

    Benchmark results

    Every figure links to where it was published. Compare like with like — harnesses and prompt setups differ between vendors.

    BenchmarkScoreSource
    GPQA DiamondPhD-level science questions93.9%24 Apr 2026View
    OTIS Mock AIME 2024-25Competition mathematics100%24 Apr 2026View
    FrontierMath52.4%23 Apr 2026View

    Weighted mean of 3 verified benchmark results: GPQA Diamond 93.9%, OTIS Mock AIME 2024-25 100%, FrontierMath 52.4%.

    Security & risk dashboardLatest vulnerabilities, advisories and real-world incidents for GPT-5.5 Pro

    References

    Profile last reviewed 10/27/2026 and re-checked automatically every few hours against the vendor's published documentation, papers and public leaderboards. Scores come from the cited benchmark results above — confirm limits and pricing against the provider's own documentation before building on them.