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GPT-4o vs Mistral Large

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

Quick Verdict

Mistral Large is cheaper than GPT-4o at $2.00/1M/1M vs $2.50/1M/1M input tokens — a 1.3x cost difference. GPT-4o scores higher on quality benchmarks (ELO 1286). Choose Mistral Large for cost-sensitive workloads; choose GPT-4o for maximum quality.

Detailed Comparison

MetricGPT-4oMistral Large
Input Price / 1M tokens$2.50/1M$2.00/1MCheaper
Output Price / 1M tokens$10.00/1M$6.00/1MCheaper
Context Window128K131KLarger
ELO Score (LMSYS)1286Smarter1251
Open Source
Free Tier
Release Date2024-052024-02

Which is cheaper: GPT-4o or Mistral Large?

Mistral Large is the cheaper option at $2.00/1M per 1M input tokens, compared to $2.50/1M for GPT-4o. That is a 1.3x cost difference on input tokens. Output pricing follows a similar pattern: GPT-4o charges $10.00/1M/1M vs $6.00/1M/1M for Mistral Large.

Which has better quality: GPT-4o or Mistral Large?

Based on LMSYS Chatbot Arena rankings, GPT-4o achieves a higher ELO score (1286 vs 1251), suggesting stronger performance on open-ended tasks. GPT-4o excels at multimodal: handles text, images, and audio natively. Mistral Large is known for strong european data residency option.

Which should you choose: GPT-4o or Mistral Large?

Choose GPT-4o if:
  • Multimodal: handles text, images, and audio natively
  • Strong reasoning and instruction following
  • Excellent coding capabilities
Choose Mistral Large if:
  • Strong European data residency option
  • Excellent multilingual performance especially French/German
  • Good coding capabilities

Frequently Asked Questions

Which is cheaper: GPT-4o or Mistral Large?

Mistral Large is cheaper at $2.00/1M per 1M input tokens, making it 1.3x more affordable.

Which has better quality: GPT-4o or Mistral Large?

GPT-4o scores higher on the LMSYS Chatbot Arena with an ELO of 1286, suggesting better overall quality for most tasks.

Which has a larger context window: GPT-4o or Mistral Large?

Mistral Large has a larger context window at 131K tokens.

Should I choose GPT-4o or Mistral Large?

Choose Mistral Large if cost is the priority. Choose GPT-4o if benchmark quality is most important. Consider your specific use case: GPT-4o is best for coding and image-understanding, while Mistral Large excels at translation and coding.

Is GPT-4o or Mistral Large open source?

GPT-4o is proprietary. Mistral Large is proprietary.

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