GPT-5.1-Codex-Mini — OpenAI | AI Model Details | Neura | Neura Market
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    OpenAI

    GPT-5.1-Codex-Mini

    by OpenAItext+image->text2 endpoints
    Neura Intelligence Index
    3.9/ 100
    Rank
    #315—
    Confidence
    low
    Benchmarks
    1(3% coverage)

    Overview

    GPT-5.1-Codex-Mini is a smaller and faster version of GPT-5.1-Codex

    Capabilities

    Text generation
    Image understanding
    Tool use / Function calling
    Structured output
    Extended reasoning
    Prompt caching
    Long context

    Modalities

    Input
    ImageText
    Output
    Text

    Technical Specifications

    Context Window
    400K tokens
    Max Output
    100K tokens
    Tokenizer
    GPT
    Content Moderation
    Enabled
    Uptime (24h)
    9917.6%
    Country
    🇺🇸US
    Release Date

    Supported Parameters

    include_reasoningmax_completion_tokensmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputstool_choicetools

    Benchmark Performance

    math

    BenchmarkScoreSource
    AIME 2025
    42.1
    		verified

    Performance Over Time

    Pricing

    Per 1M tokens
    Input$0.25
    Output$2.00
    Cache read$0.03
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    November 12, 20258mo
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