AI Progress Tracker

    Grok 4.3 · grok-4.3

    xAI · 17 Apr 2026

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    benchmarks

    This profile tracks the Grok 4.3 designation within xAI's Grok model family. Not yet confirmed by public reporting.

    context: 1Mtextimagefile$1.25 / $2.50 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 questions88.8%17 Jun 2026View
    OTIS Mock AIME 2024-25Competition mathematics93.3%17 Jun 2026View
    SimpleQA VerifiedShort factual questions (hallucination resistance)33.2%27 Aug 2026View
    LMArena TextHuman preference Elo from blind chat votes (not a percentage)1397 Elo22 Oct 2026View
    LMArena WebDevHuman preference Elo for building web apps (not a percentage)1357 Elo23 Oct 2026View

    Weighted mean of 3 verified benchmark results: GPQA Diamond 88.8%, OTIS Mock AIME 2024-25 93.3%, SimpleQA Verified 33.2%.

    Security & risk dashboardLatest vulnerabilities, advisories and real-world incidents for Grok 4.3

    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.