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GoogleGemini 3.1 Flash-LiteVSMistral AIMistral Small 4

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

Our Take

We recommend Gemini 3.1 Flash-Lite for its clear benchmark advantage, or the 2.1x cheaper Mistral Small 4 only if your budget requires optimizing costs for very high-volume pipelines. While Gemini 3.1 Flash-Lite offers superior reasoning and coding, it carries a moderate price premium. Choose Gemini 3.1 Flash-Lite for quality, or Mistral Small 4 for cost optimization.
▶WHY?
Benchmark Calculations & Evidence:
  • Coding Benchmarks: Both models were evaluated on the LiveCodeBench benchmark. Gemini 3.1 Flash-Lite scored 72%, while Mistral Small 4 scored 63.6%.
  • Reasoning Benchmarks: Both models were evaluated on the GPQA Diamond benchmark. Gemini 3.1 Flash-Lite scored 82.2%, while Mistral Small 4 scored 71.2%.
  • Cost Efficiency: Mistral Small 4 pricing ($0.15/M input, $0.6/M output) is 2.1x cheaper than Gemini 3.1 Flash-Lite ($0.25/M input, $1.5/M output).
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    Model Specs

    Gemini 3.1 Flash-Lite

    Website

    Benchmarks & Scores

    Coding (live-code-bench)Winner (+8.4%)
    72%

    scripting single-file apps or clearly defined functions

    Reasoning (gpqa-diamond)Winner (+11.0%)
    82.2%

    graduate-level science QA

    Cost & Context

    Cost (per 1M tokens)
    $0.56Input: $0.25 | Output: $1.50
    Context WindowLarger
    1.05M tokens
    Model Specs

    Mistral Small 4

    Open SourceAPI Available
    Website🤗HF

    Benchmarks & Scores

    Coding (live-code-bench)
    63.6%

    scripting single-file apps or clearly defined functions

    Reasoning (gpqa-diamond)
    71.2%

    graduate-level science QA

    Cost & Context

    Cost (per 1M tokens)2.1x cheaper
    $0.26Input: $0.15 | Output: $0.60
    Context Window
    262.14k tokens
    Read our data collection methodology

    Frequently Asked Questions about Gemini 3.1 Flash-Lite vs Mistral Small 4

    Mistral Small 4 is cheaper than Gemini 3.1 Flash-Lite. Mistral Small 4 has a blended cost of $0.26/1M tokens, which is about 2.1x cheaper than Gemini 3.1 Flash-Lite at $0.56/1M tokens.

    Gemini 3.1 Flash-Lite is better for coding tasks on this benchmark. It scores 72% on live-code-bench (scripting single-file apps or clearly defined functions) compared to Mistral Small 4 which scores 63.6%.

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