GPT-5 vs Mistral Medium 3
Compare GPT-5 by OpenAI against Mistral Medium 3 by Mistral AI, context windows of 400K vs 131K, tested across 52 shared challenges. Updated May 2026.
Which is better, GPT-5 or Mistral Medium 3?
GPT-5 and Mistral Medium 3 are both competitive models. GPT-5 costs $1.25/M input tokens vs $0.4/M for Mistral Medium 3. Context windows: 400K vs 131K tokens. Compare their real outputs side by side below.
Key Differences Between GPT-5 and Mistral Medium 3
GPT-5 is made by openai while Mistral Medium 3 is from mistral. GPT-5 has a 400K token context window compared to Mistral Medium 3's 131K. On pricing, GPT-5 costs $1.25/M input tokens vs $0.4/M for Mistral Medium 3.
Per 1M tokens
Mistral Medium 3 is cheaper on both — 3.1× input, 5.0× output
No community votes yet. On paper, GPT-5 has the edge — bigger model tier, newer, bigger context window, major provider backing.
Mistral Medium 3 is 5.0x cheaper per token — worth considering if cost matters.
Style Comparison
Mistral Medium 3 uses 6.0x more emoji
