Gemini 2.5 Pro vs Mistral Medium 3.1
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
Gemini 2.5 Pro by Google wins on 12 of 17 benchmarks against Mistral Medium 3.1 by Mistral, which leads on 5. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from our benchmark data.
Category-by-Category Breakdown
General Intelligence: In general intelligence, Gemini 2.5 Pro scores 1465 on Chatbot Arena ELO compared to Mistral Medium 3.1's 1250, while Gemini 2.5 Pro scores 84.0% on MMLU-Pro compared to Mistral Medium 3.1's 66.0%.
Coding: In coding, Gemini 2.5 Pro scores 89.0% on HumanEval+ compared to Mistral Medium 3.1's 77.0%, while Gemini 2.5 Pro scores 63.8% on SWE-bench Verified compared to Mistral Medium 3.1's 28.0%, while Gemini 2.5 Pro scores 58.0% on LiveCodeBench compared to Mistral Medium 3.1's 34.0%, while Gemini 2.5 Pro scores 33.3 on AA Coding Index compared to Mistral Medium 3.1's 20.5.
Math: In math, Gemini 2.5 Pro scores 88.0% on MATH compared to Mistral Medium 3.1's 68.0%, while Gemini 2.5 Pro scores 95.5% on GSM8K compared to Mistral Medium 3.1's 86.0%.
Reasoning: In reasoning, Gemini 2.5 Pro scores 84.0% on GPQA Diamond compared to Mistral Medium 3.1's 40.0%, while Gemini 2.5 Pro scores 48.0% on ARC-AGI compared to Mistral Medium 3.1's 18.0%, while Gemini 2.5 Pro scores 3.5 on AA Agentic Index compared to Mistral Medium 3.1's 3.1.
Context: In context, Gemini 2.5 Pro scores 1.0M on Context Length compared to Mistral Medium 3.1's 131K.
Pricing Comparison
Gemini 2.5 Pro costs $1.3/1M input tokens and $10.0/1M 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 2.5 Pro generates output at 55 tok/s compared to Mistral Medium 3.1's 110 tok/s, and the time to first token is 500 ms for Gemini 2.5 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 2.5 Pro has the edge. For those who value affordability and speed, Mistral Medium 3.1 is the stronger choice.
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Gemini 2.5 Pro vs Mistral Medium 3.1 — FAQ
Which is better, Gemini 2.5 Pro or Mistral Medium 3.1?
Gemini 2.5 Pro wins on more benchmarks overall (12 vs 5). However, the best choice depends on your specific needs — each model excels in different areas.
How does Gemini 2.5 Pro compare to Mistral Medium 3.1 for coding?
Gemini 2.5 Pro is better for coding, scoring 63.8% on SWE-bench Verified compared to 28.0%. SWE-bench tests real-world software engineering by resolving actual GitHub issues.
Is Gemini 2.5 Pro cheaper than Mistral Medium 3.1?
Yes, Mistral Medium 3.1 is cheaper. Gemini 2.5 Pro costs $1.3/1M input and $10.0/1M output tokens. Mistral Medium 3.1 costs $0.40/1M input and $2.0/1M output tokens.
Which is faster, Gemini 2.5 Pro or Mistral Medium 3.1?
Mistral Medium 3.1 is faster, generating output at 110 tok/s compared to 55 tok/s. Faster output speed means shorter wait times for API responses.
What benchmarks does the Gemini 2.5 Pro vs Mistral Medium 3.1 comparison cover?
This comparison covers 17 benchmarks including Chatbot Arena ELO, MMLU-Pro, HumanEval+, MATH, GPQA Diamond, SWE-bench Verified, Output Speed, LiveCodeBench, and more. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.