AI Progress Tracker

    Grok 4.5 · grok-4.5

    xAI · 8 Jul 2026

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    benchmarks

    This profile covers the Grok 4.5 designation associated with xAI. Not yet confirmed by public reporting.

    context: 500Ktextimagefile$2.00 / $6.00 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 questions93.4%8 Jul 2026View
    OTIS Mock AIME 2024-25Competition mathematics97.8%8 Jul 2026View
    SimpleQA VerifiedShort factual questions (hallucination resistance)48.3%27 Aug 2026View
    LMArena TextHuman preference Elo from blind chat votes (not a percentage)1448 Elo22 Oct 2026View
    LMArena WebDevHuman preference Elo for building web apps (not a percentage)1553 Elo23 Oct 2026View

    Weighted mean of 3 verified benchmark results: GPQA Diamond 93.4%, OTIS Mock AIME 2024-25 97.8%, SimpleQA Verified 48.3%.

    Capabilities

    • Not yet confirmed by public reporting.

    What improved

    • Not yet confirmed by public reporting.

    Known flaws & limitations

    • Not yet confirmed by public reporting.

    Risks, safety & security issues

    • Not yet confirmed by public reporting.

    Good fit for

    • Not yet confirmed by public reporting.

    Poor fit for

    • Not yet confirmed by public reporting.
    Security & risk dashboardLatest vulnerabilities, advisories and real-world incidents for Grok 4.5

    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.