OpenAI Codex Mini vs Mistral Large 2

Compare OpenAI Codex Mini by OpenAI against Mistral Large 2 by Mistral AI, context windows of 200K vs 128K, tested across 6 shared challenges. Updated April 2026.

Which is better, OpenAI Codex Mini or Mistral Large 2?

OpenAI Codex Mini and Mistral Large 2 are both competitive models. OpenAI Codex Mini costs $1.5/M input tokens vs $8/M for Mistral Large 2. Context windows: 200K vs 128K tokens. Compare their real outputs side by side below.

Key Differences Between OpenAI Codex Mini and Mistral Large 2

OpenAI Codex Mini is made by openai while Mistral Large 2 is from mistral. OpenAI Codex Mini has a 200K token context window compared to Mistral Large 2's 128K. On pricing, OpenAI Codex Mini costs $1.5/M input tokens vs $8/M for Mistral Large 2.

Our Verdict
OpenAI Codex Mini
OpenAI Codex Mini
Mistral Large 2
Mistral Large 2

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

OpenAI Codex Mini is 4.0x cheaper per token — worth considering if cost matters.

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OpenAI Codex MiniMistral Large 2

279 AI models invented the same fake scientist.

We read every word. 250 models. 2.14 million words. This is what we found.

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