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GoogleGemini 2.5 Flash-LiteVSMistral AIMistral Small 4

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

Our Take

We recommend Mistral Small 4 for complex scripting single-file apps or clearly defined functions, or the 1.5x cheaper Gemini 2.5 Flash-Lite if your budget requires optimizing costs for very high-volume pipelines. While Mistral Small 4 offers a clear reasoning advantage, it carries a moderate price premium. Choose Mistral Small 4 for scripting single-file apps or clearly defined functions, or Gemini 2.5 Flash-Lite to save on API costs for simple scripts.
▶WHY?
Benchmark Calculations & Evidence:
  • Coding Evaluation: Gemini 2.5 Flash-Lite was evaluated on SWE-bench Verified (scoring 41.3%), while Mistral Small 4 was evaluated on LiveCodeBench (scoring 63.6%).
  • Reasoning Accuracy: Both models were evaluated on the GPQA Diamond benchmark. Mistral Small 4 scored 71.2%, while Gemini 2.5 Flash-Lite scored 62.5%.
  • Cost Efficiency: Gemini 2.5 Flash-Lite pricing ($0.1/M input, $0.4/M output) is 1.5x cheaper than Mistral Small 4 ($0.15/M input, $0.6/M output).
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    Model Specs

    Gemini 2.5 Flash-Lite

    Website

    Benchmarks & Scores

    Coding (swe-bench-verified)
    41.3%

    multi-file code and clearly defined tasks

    Reasoning (gpqa-diamond)
    62.5%

    graduate-level science QA

    Cost & Context

    Cost (per 1M tokens)1.5x cheaper
    $0.17Input: $0.10 | Output: $0.40
    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)Winner (+8.7%)
    71.2%

    graduate-level science QA

    Cost & Context

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

    Frequently Asked Questions about Gemini 2.5 Flash-Lite vs Mistral Small 4

    Gemini 2.5 Flash-Lite is cheaper than Mistral Small 4. Gemini 2.5 Flash-Lite has a blended cost of $0.17/1M tokens, which is about 1.5x cheaper than Mistral Small 4 at $0.26/1M tokens.

    For coding tasks, Gemini 2.5 Flash-Lite scores 41.3% on swe-bench-verified (multi-file code and clearly defined tasks), while Mistral Small 4 scores 63.6% on live-code-bench (scripting single-file apps or clearly defined functions).

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