Price Per TokenPrice Per Token
Mistral AI
Mistral AI
vs
OpenAI
OpenAI

Mistral Large vs GPT-5.1-Codex

A detailed comparison of pricing, benchmarks, and capabilities

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Key Takeaways

Mistral Large wins:

  • Cheaper input tokens
  • Cheaper output tokens

GPT-5.1-Codex wins:

  • Larger context window
  • Faster response time
  • Higher intelligence benchmark
  • Better at coding
  • Better at math
  • Supports vision
  • Has reasoning mode
Price Advantage
Mistral Large
Benchmark Advantage
GPT-5.1-Codex
Context Window
GPT-5.1-Codex
Speed
GPT-5.1-Codex

Pricing Comparison

Benchmark Comparison

Context & Performance

Capabilities

Feature Comparison

FeatureMistral LargeGPT-5.1-Codex
Vision (Image Input)
Tool/Function Calls
Reasoning Mode
Audio Input
Audio Output
PDF Input
Prompt Caching
Web Search

License & Release

PropertyMistral LargeGPT-5.1-Codex
LicenseOpen SourceProprietary
AuthorMistral AIOpenAI
ReleasedFeb 2024Nov 2025

Mistral Large Modalities

Input
text
Output
text

GPT-5.1-Codex Modalities

Input
textimage
Output
text

Frequently Asked Questions

Mistral Large has cheaper input pricing at $0.50/M tokens. Mistral Large has cheaper output pricing at $1.50/M tokens.
Mistral Large has a 128,000 token context window, while GPT-5.1-Codex has a 400,000 token context window.
Mistral Large does not support vision. GPT-5.1-Codex supports vision.