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Mistral Large 3 vs Grok 4.1 Fast

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

Quick Verdict

Grok 4.1 Fast is cheaper than Mistral Large 3 at $0.20/1M/1M vs $2.00/1M/1M input tokens — a 10.0x cost difference. Mistral Large 3 scores higher on quality benchmarks (ELO 1320). Choose Grok 4.1 Fast for cost-sensitive workloads; choose Mistral Large 3 for maximum quality.

Detailed Comparison

MetricMistral Large 3Grok 4.1 Fast
Input Price / 1M tokens$2.00/1M$0.20/1MCheaper
Output Price / 1M tokens$6.00/1M$0.50/1MCheaper
Context Window131K2MLarger
ELO Score (LMSYS)1320Smarter1305
Open Source
Free Tier
Release Date2025-122026-01

Which is cheaper: Mistral Large 3 or Grok 4.1 Fast?

Grok 4.1 Fast is the cheaper option at $0.20/1M per 1M input tokens, compared to $2.00/1M for Mistral Large 3. That is a 10.0x cost difference on input tokens. Output pricing follows a similar pattern: Mistral Large 3 charges $6.00/1M/1M vs $0.50/1M/1M for Grok 4.1 Fast.

Which has better quality: Mistral Large 3 or Grok 4.1 Fast?

Based on LMSYS Chatbot Arena rankings, Mistral Large 3 achieves a higher ELO score (1320 vs 1305), suggesting stronger performance on open-ended tasks. Mistral Large 3 excels at european data residency — gdpr-friendly. Grok 4.1 Fast is known for 2m token context at $0.20/$0.50 per 1m — unbeatable for long context.

Which should you choose: Mistral Large 3 or Grok 4.1 Fast?

Choose Mistral Large 3 if:
  • European data residency — GDPR-friendly
  • Strong multilingual performance (French, German, Spanish)
  • Competitive pricing vs. US flagships
Choose Grok 4.1 Fast if:
  • 2M token context at $0.20/$0.50 per 1M — unbeatable for long context
  • Very fast inference
  • Real-time X data access

Frequently Asked Questions

Which is cheaper: Mistral Large 3 or Grok 4.1 Fast?

Grok 4.1 Fast is cheaper at $0.20/1M per 1M input tokens, making it 10.0x more affordable.

Which has better quality: Mistral Large 3 or Grok 4.1 Fast?

Mistral Large 3 scores higher on the LMSYS Chatbot Arena with an ELO of 1320, suggesting better overall quality for most tasks.

Which has a larger context window: Mistral Large 3 or Grok 4.1 Fast?

Grok 4.1 Fast has a larger context window at 2000K tokens.

Should I choose Mistral Large 3 or Grok 4.1 Fast?

Choose Grok 4.1 Fast if cost is the priority. Choose Mistral Large 3 if benchmark quality is most important. Consider your specific use case: Mistral Large 3 is best for translation and coding, while Grok 4.1 Fast excels at long-context and low-cost.

Is Mistral Large 3 or Grok 4.1 Fast open source?

Mistral Large 3 is proprietary. Grok 4.1 Fast is proprietary.

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