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    gpt·basedElo-ranked, value-sorted
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    gpt-5.5-xhigh (codex-harness)

    Arena-only
    openai·ProprietarySet alert
    Ranked in:WebDev

    Ranked on LMArena but not yet hosted by any provider we track. We'll keep its rank/rating history updated daily.

    Best overall rank
    #11
    Across all subsets · overall
    Total arena votes
    14,190
    Across 5 (subset, category) entries
    Partner variants
    0
    No partner host yet
    First seen
    2026-05-16
    18 days tracked

    Trend

    Per-category ranks

    WebDev

    RankCategoryVariantTrendEloVotes
    ★ #5Image To Webdev
    harness: codex-harness
    15371,816
    #9Webdev-html
    harness: codex-harness
    1514494
    #11Overall
    harness: codex-harness
    15054,126
    #11Webdev
    harness: codex-harness
    15054,126
    #11Webdev-react
    harness: codex-harness
    14973,628