GoogleGemma 4 31BVSMistral AIMistral Small 4
Our Take
Both models are open-source. We recommend Gemma 4 31B over Mistral Small 4 because it holds a clear reasoning lead. Choose Gemma 4 31B for offline data control and scripting single-file apps or clearly defined functions, or Mistral Small 4 only if you prefer using its managed API endpoints for scripting single-file apps or clearly defined functions.
▶WHY?
Benchmark Calculations & Evidence:
Reasoning Accuracy: Both models were evaluated on the GPQA Diamond benchmark. Gemma 4 31B scored 84.3%, while Mistral Small 4 scored 71.2% (+13.1% gap).
Coding Performance: Both models were evaluated on the LiveCodeBench benchmark. Mistral Small 4 scored 63.6%, while Gemma 4 31B scored 80% (+-16.4% gap).
Hosting Model: Gemma 4 31B runs locally for $0 API costs, while Mistral Small 4 is hosted via its managed API endpoints.
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Benchmarks & Scores
Coding (live-code-bench)Winner (+16.4%)
80%scripting single-file apps or clearly defined functions
Reasoning (gpqa-diamond)Winner (+13.1%)
84.3%graduate-level science QA
Cost & Context
Cost (per 1M tokens)
Self HostLocal execution (zero API fees)Context Window
262.14k tokensBenchmarks & 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)
$0.26Input: $0.15 | Output: $0.60Context Window
262.14k tokensFrequently Asked Questions about Gemma 4 31B vs Mistral Small 4
Gemma 4 31B is better for coding tasks on this benchmark. It scores 80% 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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