Model Comparison

    GPT-5.1 ThinkingvsLlama 3.1 70B Instruct

    API pricing, context window, throughput, and benchmark performance compared side by side. Llama 3.1 70B Instruct costs 96% less per million tokens.

    OpenAI

    GPT-5.1 Thinking

    OpenAI

    $11.25blended / 1M

    Input

    $1.25

    Output

    $10.00

    400K ctx|Proprietary|80 tok/s
    96%
    cheaper
    Better value
    Meta

    Llama 3.1 70B Instruct

    Meta

    $0.40blended / 1M

    Input

    $0.20

    Output

    $0.20

    128K ctx|Open Source|42 tok/s

    Save $10.85 per million tokens by choosing Llama 3.1 70B Instruct over GPT-5.1 Thinking

    Based on blended rate (1M input + 1M output)

    Full Comparison

    Pricing, specs, and benchmarks side by side

    Metric
    GPT-5.1 Thinking
    Llama 3.1 70B Instruct
    Provider
    Provider
    OpenAI
    Meta
    License
    Proprietary
    Open Source
    Release Date
    2025-11-12
    2024-07-23
    Pricing (per 1M tokens)
    Input Price+525%
    $1.25
    $0.20
    Output Price+4900%
    $10.00
    $0.20
    Blended (1M + 1M)
    $11.25
    $0.40
    Model Details
    Context Window
    400K
    128K
    Max Output Tokens
    N/A
    N/A
    Knowledge Cutoff
    N/A
    N/A
    Throughput
    80 tok/s
    42 tok/s
    Benchmarks
    GPQA
    88.1%
    41.7%
    SWE-bench Verified
    76.3%
    FrontierMath
    26.7%
    AIME 2025
    94%
    MMMU
    85.4%
    Benchmark Wins
    GPT-5.1 Thinking 1|0 Llama 3.1 70B Instruct

    Verdict

    GPT-5.1 Thinking vs Llama 3.1 70B Instruct: The Bottom Line

    Llama 3.1 70B Instruct offers significantly lower pricing, while GPT-5.1 Thinking leads on benchmark performance. Your choice depends on whether cost efficiency or raw capability matters more for your use case.

    FAQ

    GPT-5.1 Thinking vs Llama 3.1 70B Instruct

    Common questions about comparing GPT-5.1 Thinking and Llama 3.1 70B Instruct pricing, performance, and capabilities.

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    About This Comparison

    This page compares GPT-5.1 Thinking by OpenAI against Llama 3.1 70B Instruct by Meta across pricing, model specifications, and benchmark performance. All pricing data reflects the latest published API rates per million tokens.

    Use this comparison to make informed decisions about which model fits your use case. Whether you're optimizing for cost, performance, or context window size, the data above provides a clear picture of how GPT-5.1 Thinking and Llama 3.1 70B Instruct stack up.

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