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GoogleGemma 4 31BVSOpenAIGPT-5.4 nano

Analysis by:the whichllmmodel Editorial Team|Updated: June 2026

Our Take

We recommend Gemma 4 31B for zero-cost private inference on your own hardware, or GPT-5.4 nano if you need instant cloud scaling without managing compute. Choose Gemma 4 31B for offline data control and scripting single-file apps or clearly defined functions, or GPT-5.4 nano for complex codebases, multi-file repositories, and architectural planning.
WHY?
Benchmark Calculations & Evidence:
  • Reasoning Accuracy: Gemma 4 31B scores 84.3% on reasoning, while GPT-5.4 nano scores 82.8%.
  • Coding Performance: Evaluated on different benchmarks. Gemma 4 31B scored 80% on LiveCodeBench (scripting single-file apps or clearly defined functions), while GPT-5.4 nano scored 52.4% on SWE-bench Pro (complex codebases, multi-file repositories, and architectural planning).
  • Context Window: GPT-5.4 nano supports 400k, while Gemma 4 31B supports 262k.
  • Hosting Model: Gemma 4 31B runs locally for $0 API costs, while GPT-5.4 nano is a cloud API.
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    Model Specs

    Gemma 4 31B

    Open Source

    Benchmarks & Scores

    Coding (live-code-bench)
    80%

    scripting single-file apps or clearly defined functions

    Reasoning (gpqa-diamond)Winner (+1.5%)
    84.3%

    graduate-level science QA

    Cost & Context

    Cost (per 1M tokens)
    Self HostLocal execution (zero API fees)
    Context Window
    262.14k tokens
    Model Specs

    GPT-5.4 nano

    Benchmarks & Scores

    Coding (swe-bench-pro)
    52.4%

    complex codebases, multi-file repositories, and architectural planning

    Reasoning (gpqa-diamond)
    82.8%

    graduate-level science QA

    Cost & Context

    Cost (per 1M tokens)
    $0.46Input: $0.20 | Output: $1.25
    Context WindowLarger
    400k tokens

    Frequently Asked Questions about Gemma 4 31B vs GPT-5.4 nano

    For coding tasks, Gemma 4 31B scores 80% on live-code-bench (scripting single-file apps or clearly defined functions), while GPT-5.4 nano scores 52.4% on swe-bench-pro (complex codebases, multi-file repositories, and architectural planning).

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