AI Progress Tracker

    Muse Spark Open 816B A42B · Muse-Spark-Open-816B-A42B

    Meta · 15 Oct 2026

    Ask the Advisor about this model
    82from 3
    benchmarks

    The documented release status of Meta AI’s Muse Spark Open 816B A42B: Not yet confirmed by public reporting. Model-specific specifications, benchmark results, and deployment terms: Not yet confirmed by public reporting.

    text

    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 questions88.6%15 Oct 2026View
    OTIS Mock AIME 2024-25Competition mathematics98.1%15 Oct 2026View
    SimpleQA VerifiedShort factual questions (hallucination resistance)56.6%15 Oct 2026View

    Weighted mean of 3 verified benchmark results: GPQA Diamond 88.6%, OTIS Mock AIME 2024-25 98.1%, SimpleQA Verified 56.6%.

    Security & risk dashboardLatest vulnerabilities, advisories and real-world incidents for Muse Spark Open 816B A42B

    References

    Profile last reviewed 10/17/2026 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.