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    Side-by-Side Comparison

    gpt-5.3-chat-latest vs GPT-4o-mini

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

    OpenAIgpt-5.3-chat-latestOpenAI
    vs
    OpenAIGPT-4o-miniOpenAI
    Metric
    gpt-5.3-chat-latest
    GPT-4o-mini
    Provider
    Provider
    OpenAI
    OpenAI
    License
    Proprietary
    Proprietary
    Release Date
    2026-03-03
    2024-07-18
    Pricing (per 1M tokens)
    Input Price+1067%
    $1.75
    $0.15
    Output Price+2233%
    $14.00
    $0.60
    Blended (1M + 1M)
    $15.75
    $0.75
    Model Details
    Context Window
    128K
    128K
    Max Output Tokens
    16.4K
    16.4K
    Knowledge Cutoff
    August 2025
    October 2023
    Throughput
    N/A
    84 tok/s
    Benchmarks
    GPQA Diamond
    N/A
    40.2%
    MATH 500
    N/A
    70.2%
    BFCL
    N/A
    64.1%
    Alder Polyglot
    N/A
    3.6%
    MMLU
    N/A
    82%
    MMMU
    N/A
    59.4%
    HumanEval
    N/A
    87.2%
    MATH
    N/A
    70.2%

    Verdict

    The Bottom Line

    Both models are closely matched on benchmarks. GPT-4o-mini has the pricing advantage, making it the better value unless gpt-5.3-chat-latest's specific capabilities are critical to your workflow.

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