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    gpt·basedElo-ranked, value-sorted
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    OpenAI: GPT-5.1 Chat

    Released Nov 13, 2025
    openai/gpt-5.1-chat
    file+image+text→text
    Set alert
    Try it on:
    OOpenRouter

    GPT-5.1 Chat (AKA Instant is the fast, lightweight member of the 5.1 family, optimized for low-latency chat while retaining strong general intelligence. It uses adaptive reasoning to selectively “think” on...

    Best overall rank
    -
    Across all subsets · overall
    Total arena votes
    0
    Across 0 (subset, category) entries
    Providers on OR
    0
    None yet
    First seen
    -
    Awaiting first snapshot

    Trend

    No snapshot history yet - trends appear after the first daily refresh.

    Pricing

    Per token

    Input (per 1M)
    $1.25
    Output (per 1M)
    $10.00
    Cache Read (per 1M)
    $0.130

    Per unit

    Web search
    $0.010/call

    Capabilities

    Modality
    text+image+file->text
    Context
    128K tokens
    Tokenizer
    GPT
    Max output
    32K tokens
    Moderation
    Unmoderated
    Supported parameters
    max_completion_tokens
    max_tokens
    response_format
    seed
    structured_outputs
    tool_choice
    tools

    Providers

    No provider endpoint data yet.

    Per-category ranks

    No leaderboard entries for this model.