GPT-5.2-Codex — OpenAI | AI Model Details | Neura | Neura Market
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    OpenAI

    GPT-5.2-Codex

    by OpenAItext+image->text3 endpoints
    Neura Intelligence Index
    39.8/ 100
    Rank
    #194—
    Confidence
    low
    Benchmarks
    1(3% coverage)

    Overview

    GPT-5.2-Codex is an upgraded version of GPT-5.1-Codex optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....

    Capabilities

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

    Modalities

    Input
    TextImage
    Output
    Text

    Technical Specifications

    Context Window
    400K tokens
    Max Output
    128K tokens
    Tokenizer
    GPT
    Content Moderation
    Enabled
    Uptime (24h)
    9984.9%
    Country
    🇺🇸US
    Release Date

    Supported Parameters

    include_reasoningmax_completion_tokensmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputstool_choicetools

    Benchmark Performance

    coding

    BenchmarkScoreSource
    SWE-Bench Pro
    56.4
    		verified

    Performance Over Time

    Pricing

    Per 1M tokens
    Input$1.75
    Output$14.00
    Cache read$0.17
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    Long context
    Deterministic seed
    January 14, 20266mo
    Added
    January 14, 2026
    Last synced 7/21/2026

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