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Gemini 3.1 Pro vs Mistral Large 3

Pricing, context window, and benchmark comparison · Last updated April 2026

Quick Verdict

Mistral Large 3 is cheaper than Gemini 3.1 Pro at $2.00/1M/1M vs $2.00/1M/1M input tokens. Gemini 3.1 Pro scores higher on quality benchmarks (ELO 1410). Choose Mistral Large 3 for cost-sensitive workloads; choose Gemini 3.1 Pro for maximum quality.

Detailed Comparison

MetricGemini 3.1 ProMistral Large 3
Input Price / 1M tokens$2.00/1M$2.00/1M
Output Price / 1M tokens$12.00/1M$6.00/1MCheaper
Context Window1MLarger131K
ELO Score (LMSYS)1410Smarter1320
Open Source
Free Tier
Release Date2026-032025-12

Which is cheaper: Gemini 3.1 Pro or Mistral Large 3?

Gemini 3.1 Pro and Mistral Large 3 are identically priced at $2.00/1M per 1M input tokens. Output pricing follows a similar pattern: Gemini 3.1 Pro charges $12.00/1M/1M vs $6.00/1M/1M for Mistral Large 3.

Which has better quality: Gemini 3.1 Pro or Mistral Large 3?

Based on LMSYS Chatbot Arena rankings, Gemini 3.1 Pro achieves a higher ELO score (1410 vs 1320), suggesting stronger performance on open-ended tasks. Gemini 3.1 Pro excels at google's latest flagship with major reasoning improvements. Mistral Large 3 is known for european data residency — gdpr-friendly.

Which should you choose: Gemini 3.1 Pro or Mistral Large 3?

Choose Gemini 3.1 Pro if:
  • Google's latest flagship with major reasoning improvements
  • 1M token context window
  • Native multimodal (text, image, video, audio)
Choose Mistral Large 3 if:
  • European data residency — GDPR-friendly
  • Strong multilingual performance (French, German, Spanish)
  • Competitive pricing vs. US flagships

Frequently Asked Questions

Which is cheaper: Gemini 3.1 Pro or Mistral Large 3?

Gemini 3.1 Pro and Mistral Large 3 have the same input price of $2.00/1M per 1M tokens.

Which has better quality: Gemini 3.1 Pro or Mistral Large 3?

Gemini 3.1 Pro scores higher on the LMSYS Chatbot Arena with an ELO of 1410, suggesting better overall quality for most tasks.

Which has a larger context window: Gemini 3.1 Pro or Mistral Large 3?

Gemini 3.1 Pro has a larger context window at 1000K tokens.

Should I choose Gemini 3.1 Pro or Mistral Large 3?

Choose Mistral Large 3 if cost is the priority. Choose Gemini 3.1 Pro if benchmark quality is most important. Consider your specific use case: Gemini 3.1 Pro is best for reasoning and long-context, while Mistral Large 3 excels at translation and coding.

Is Gemini 3.1 Pro or Mistral Large 3 open source?

Gemini 3.1 Pro is proprietary. Mistral Large 3 is proprietary.

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