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    Side-by-Side Comparison

    gpt-5.3-codex vs gpt-5.4-pro

    A detailed comparison of pricing, specifications, and benchmark performance.

    OpenAIgpt-5.3-codexOpenAI
    vs
    OpenAIgpt-5.4-proOpenAI
    Metric
    gpt-5.3-codex
    gpt-5.4-pro
    Provider
    Provider
    OpenAI
    OpenAI
    License
    Proprietary
    Proprietary
    Release Date
    2026-02-05
    N/A
    Pricing (per 1M tokens)
    Input Price-94%
    $1.75
    $30.00
    Output Price-92%
    $14.00
    $180.00
    Blended (1M + 1M)
    $15.75
    $210.00
    Model Details
    Context Window
    400K
    N/A
    Max Output Tokens
    128K
    N/A
    Knowledge Cutoff
    August 2025
    N/A
    Throughput
    N/A
    N/A
    Benchmarks
    GPQA Diamond
    87.7%
    90.5%
    Humanity's Last Exam (With Tools)
    24.4%
    29.8%
    Humanity's Last Exam (No Tools)
    34.8%
    40.8%
    ARC-AGI-2 Verified
    6%
    11.7%
    ARC-AGI-1 Verified
    66.7%
    76.7%
    SWE-bench Pro (Public)
    84.8%
    91.1%
    Terminal-Bench 2.0
    56.7%
    64.9%
    OSWorld Verified
    59%
    65%
    MCP Atlas
    81.4%
    87.1%
    tau2-bench (Telecom)
    69.6%
    74.6%
    MMMU-Pro (With Tools)
    88.5%
    96.3%
    MMMU-Pro (No Tools)
    85.8%
    90.6%
    GDPval
    25.4%
    35.4%
    FinanceAgent v1.1
    79.2%
    84.2%
    Investment Banking Modeling (Internal)
    85.2%
    89.8%
    OfficeQA
    39.8%
    60.8%
    Frontier Science Research
    14.6%
    17.4%
    FrontierMath (Tiers 1-3)
    7.3%
    10.8%
    OpenAI MRCR v2 8-needle (4K-8K)
    68.8%
    75.8%
    OpenAI MRCR v2 8-needle (32K-128K)
    50.2%
    58.3%
    OpenAI MRCR v2 8-needle (128K-512K)
    39.5%
    45.9%
    OpenAI MRCR v2 8-needle (256K-1M)
    35.8%
    42.1%
    OpenAI MRCR v2 8-needle (512K-1M)
    31.5%
    39%
    Graphwalks BFS (0K-128K)
    100%
    100%
    Graphwalks BFS (256K-1M)
    100%
    100%
    Graphwalks Parents (0K-128K)
    100%
    100%
    Graphwalks Parents (256K-1M)
    96.8%
    98.8%
    OmniDocBench NED
    0.056
    0.035

    Verdict

    The Bottom Line

    gpt-5.3-codex offers significantly lower pricing, while gpt-5.4-pro leads on benchmark performance. Your choice depends on whether cost efficiency or raw capability matters more for your use case.

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