Mistral Devstral Medium vs OpenAI o3
Compare Mistral Devstral Medium by Mistral AI against OpenAI o3 by OpenAI, tested across 54 shared challenges. Updated May 2026.
Which is better, Mistral Devstral Medium or OpenAI o3?
Mistral Devstral Medium and OpenAI o3 are both competitive models. Mistral Devstral Medium costs $0.4/M input tokens vs $10/M for OpenAI o3. Compare their real outputs side by side below.
Key Differences Between Mistral Devstral Medium and OpenAI o3
Mistral Devstral Medium is made by mistral while OpenAI o3 is from openai. On pricing, Mistral Devstral Medium costs $0.4/M input tokens vs $10/M for OpenAI o3.
Per 1M tokens
Mistral Devstral Medium is cheaper on both — 25× input, 20× output
No community votes yet. On paper, OpenAI o3 has the edge — bigger model tier, major provider backing.
Mistral Devstral Medium is 20x cheaper per token — worth considering if cost matters.
Style Comparison
Mistral Devstral Medium uses 6.5x more bold
