Mistral Devstral Small 1.1 vs GPT OSS 20B
Compare Mistral Devstral Small 1.1 by Mistral AI against GPT OSS 20B by OpenAI, in 25 community votes, gpt oss 20b wins 60% of head-to-head duels, tested across 54 shared challenges. Updated April 2026.
Which is better, Mistral Devstral Small 1.1 or GPT OSS 20B?
GPT OSS 20B is the better choice overall, winning 60% of 25 blind community votes on Rival. Mistral Devstral Small 1.1 costs $0.1/M input tokens vs $0.02/M for GPT OSS 20B. Compare their real outputs side by side below.
Key Differences Between Mistral Devstral Small 1.1 and GPT OSS 20B
Mistral Devstral Small 1.1 is made by mistral while GPT OSS 20B is from openai. On pricing, Mistral Devstral Small 1.1 costs $0.1/M input tokens vs $0.02/M for GPT OSS 20B. In community voting, In 25 community votes, GPT OSS 20B wins 60% of head-to-head duels.
In 25 community votes, GPT OSS 20B wins 60% of head-to-head duels. Mistral Devstral Small 1.1 leads in Image Generation, while GPT OSS 20B leads in Web Design, Reasoning. Based on blind community voting from the Rival open dataset of 25+ human preference judgments for this pair.
Pick GPT OSS 20B. In 25 blind votes, GPT OSS 20B wins 60% of the time. That's not luck.
Pick Mistral Devstral Small 1.1 for Image Generation. Pick GPT OSS 20B for Reasoning, Web Design.
Style Comparison
GPT OSS 20B uses 10.2x 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.
