GPT-5 vs Mistral Small 4
Compare GPT-5 by OpenAI against Mistral Small 4 by Mistral AI, context windows of 400K vs 262K, tested across 51 shared challenges. Updated May 2026.
Which is better, GPT-5 or Mistral Small 4?
GPT-5 and Mistral Small 4 are both competitive models. GPT-5 costs $1.25/M input tokens vs $0.15/M for Mistral Small 4. Context windows: 400K vs 262K tokens. Compare their real outputs side by side below.
Key Differences Between GPT-5 and Mistral Small 4
GPT-5 is made by openai while Mistral Small 4 is from mistral. GPT-5 has a 400K token context window compared to Mistral Small 4's 262K. On pricing, GPT-5 costs $1.25/M input tokens vs $0.15/M for Mistral Small 4.
Per 1M tokens
Mistral Small 4 is cheaper on both — 8.3× input, 17× output
No community votes yet. On paper, GPT-5 has the edge — bigger model tier, bigger context window, major provider backing.
Mistral Small 4 is 17x cheaper per token — worth considering if cost matters.
Style Comparison
Mistral Small 4 uses 19.0x more emoji
