Gemini 3.1 Pro vs Mistral Medium 3.1
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
Gemini 3.1 Pro by Google wins on 10 of 14 benchmarks against Mistral Medium 3.1 by Mistral, which leads on 4. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from the AI Value Index.
Category-by-Category Breakdown
General Intelligence: In general intelligence, Gemini 3.1 Pro scores 1501 on Chatbot Arena ELO compared to Mistral Medium 3.1's 1250, while Gemini 3.1 Pro scores 92.6% on MMLU-Pro compared to Mistral Medium 3.1's 66.0%.
Coding: In coding, Gemini 3.1 Pro scores 93.0% on HumanEval+ compared to Mistral Medium 3.1's 77.0%, while Gemini 3.1 Pro scores 80.6% on SWE-bench Verified compared to Mistral Medium 3.1's 28.0%, while Gemini 3.1 Pro scores 75.0% on LiveCodeBench compared to Mistral Medium 3.1's 34.0%.
Math: In math, Gemini 3.1 Pro scores 93.0% on MATH compared to Mistral Medium 3.1's 68.0%, while Gemini 3.1 Pro scores 98.0% on GSM8K compared to Mistral Medium 3.1's 86.0%.
Reasoning: In reasoning, Gemini 3.1 Pro scores 94.1% on GPQA Diamond compared to Mistral Medium 3.1's 40.0%, while Gemini 3.1 Pro scores 77.1% on ARC-AGI compared to Mistral Medium 3.1's 18.0%.
Context: In context, Gemini 3.1 Pro scores 1.0M on Context Length compared to Mistral Medium 3.1's 131K.
Pricing Comparison
Gemini 3.1 Pro costs $2.0/1M input tokens and $12.0/1M output tokens, while Mistral Medium 3.1 costs $0.40/1M input and $2.0/1M output. Mistral Medium 3.1 is the more affordable option for API usage.
Speed Comparison
Gemini 3.1 Pro generates output at 65 tok/s compared to Mistral Medium 3.1's 110 tok/s, and the time to first token is 420 ms for Gemini 3.1 Pro versus 200 ms for Mistral Medium 3.1. Mistral Medium 3.1 delivers faster throughput.
Verdict
For developers prioritizing coding and general intelligence and math, Gemini 3.1 Pro has the edge. For those who value affordability and speed, Mistral Medium 3.1 is the stronger choice.
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Gemini 3.1 Pro vs Mistral Medium 3.1 — FAQ
Which is better, Gemini 3.1 Pro or Mistral Medium 3.1?
Gemini 3.1 Pro wins on more benchmarks overall (10 vs 4). However, the best choice depends on your specific needs — each model excels in different areas.
How does Gemini 3.1 Pro compare to Mistral Medium 3.1 for coding?
Gemini 3.1 Pro is better for coding, scoring 80.6% on SWE-bench Verified compared to 28.0%. SWE-bench tests real-world software engineering by resolving actual GitHub issues.
Is Gemini 3.1 Pro cheaper than Mistral Medium 3.1?
Yes, Mistral Medium 3.1 is cheaper. Gemini 3.1 Pro costs $2.0/1M input and $12.0/1M output tokens. Mistral Medium 3.1 costs $0.40/1M input and $2.0/1M output tokens.
Which is faster, Gemini 3.1 Pro or Mistral Medium 3.1?
Mistral Medium 3.1 is faster, generating output at 110 tok/s compared to 65 tok/s. Faster output speed means shorter wait times for API responses.
What benchmarks does the Gemini 3.1 Pro vs Mistral Medium 3.1 comparison cover?
This comparison covers 14 benchmarks including Chatbot Arena ELO, MMLU-Pro, HumanEval+, MATH, SWE-bench Verified, GPQA Diamond, Output Speed, Time to First Token, and more. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.