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Claude Opus 4.7 vs Mistral Large 3

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

Quick Verdict

Mistral Large 3 is cheaper than Claude Opus 4.7 at $2.00/1M/1M vs $5.00/1M/1M input tokens — a 2.5x cost difference. Claude Opus 4.7 scores higher on quality benchmarks (ELO 1415). Choose Mistral Large 3 for cost-sensitive workloads; choose Claude Opus 4.7 for maximum quality.

Detailed Comparison

MetricClaude Opus 4.7Mistral Large 3
Input Price / 1M tokens$5.00/1M$2.00/1MCheaper
Output Price / 1M tokens$25.00/1M$6.00/1MCheaper
Context Window1MLarger131K
ELO Score (LMSYS)1415Smarter1320
Open Source
Free Tier
Release Date2026-042025-12

Which is cheaper: Claude Opus 4.7 or Mistral Large 3?

Mistral Large 3 is the cheaper option at $2.00/1M per 1M input tokens, compared to $5.00/1M for Claude Opus 4.7. That is a 2.5x cost difference on input tokens. Output pricing follows a similar pattern: Claude Opus 4.7 charges $25.00/1M/1M vs $6.00/1M/1M for Mistral Large 3.

Which has better quality: Claude Opus 4.7 or Mistral Large 3?

Based on LMSYS Chatbot Arena rankings, Claude Opus 4.7 achieves a higher ELO score (1415 vs 1320), suggesting stronger performance on open-ended tasks. Claude Opus 4.7 excels at step-change improvement in agentic coding over opus 4.6. Mistral Large 3 is known for european data residency — gdpr-friendly.

Which should you choose: Claude Opus 4.7 or Mistral Large 3?

Choose Claude Opus 4.7 if:
  • Step-change improvement in agentic coding over Opus 4.6
  • 1M token context window at standard pricing
  • 128K max output tokens
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: Claude Opus 4.7 or Mistral Large 3?

Mistral Large 3 is cheaper at $2.00/1M per 1M input tokens, making it 2.5x more affordable.

Which has better quality: Claude Opus 4.7 or Mistral Large 3?

Claude Opus 4.7 scores higher on the LMSYS Chatbot Arena with an ELO of 1415, suggesting better overall quality for most tasks.

Which has a larger context window: Claude Opus 4.7 or Mistral Large 3?

Claude Opus 4.7 has a larger context window at 1000K tokens.

Should I choose Claude Opus 4.7 or Mistral Large 3?

Choose Mistral Large 3 if cost is the priority. Choose Claude Opus 4.7 if benchmark quality is most important. Consider your specific use case: Claude Opus 4.7 is best for coding and reasoning, while Mistral Large 3 excels at translation and coding.

Is Claude Opus 4.7 or Mistral Large 3 open source?

Claude Opus 4.7 is proprietary. Mistral Large 3 is proprietary.

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