ChatGPT-4o (March 2025) vs Mistral Devstral Medium
Compare ChatGPT-4o (March 2025) by OpenAI against Mistral Devstral Medium by Mistral AI, in 3 community votes, chatgpt-4o (march 2025) wins 100% of head-to-head duels, tested across 32 shared challenges. Updated April 2026.
Which is better, ChatGPT-4o (March 2025) or Mistral Devstral Medium?
ChatGPT-4o (March 2025) is the better choice overall, winning 100% of 3 blind community votes on Rival. ChatGPT-4o (March 2025) costs $5/M input tokens vs $0.4/M for Mistral Devstral Medium. Compare their real outputs side by side below.
Key Differences Between ChatGPT-4o (March 2025) and Mistral Devstral Medium
ChatGPT-4o (March 2025) is made by openai while Mistral Devstral Medium is from mistral. On pricing, ChatGPT-4o (March 2025) costs $5/M input tokens vs $0.4/M for Mistral Devstral Medium. In community voting, In 3 community votes, ChatGPT-4o (March 2025) wins 100% of head-to-head duels.
In 3 community votes, ChatGPT-4o (March 2025) wins 100% of head-to-head duels. Based on blind community voting from the Rival open dataset of 3+ human preference judgments for this pair.
Pick ChatGPT-4o (March 2025). In 3 blind votes, ChatGPT-4o (March 2025) wins 100% of the time. That's not luck.
Mistral Devstral Medium is 7.5x cheaper per token — worth considering if cost matters.
Style Comparison
ChatGPT-4o (March 2025) uses 94.5x more emoji
vsAsk them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
