Compare DeepSeek R1 by DeepSeek against Mistral Devstral Medium by Mistral AI, in 4 community votes, mistral devstral medium wins 100% of head-to-head duels, tested across 54 shared challenges. Updated May 2026.
Mistral Devstral Medium is the better choice overall, winning 100% of 4 blind community votes on Rival. DeepSeek R1 costs $0.55/M input tokens vs $0.4/M for Mistral Devstral Medium. Compare their real outputs side by side below.
DeepSeek R1 is made by deepseek while Mistral Devstral Medium is from mistral. On pricing, DeepSeek R1 costs $0.55/M input tokens vs $0.4/M for Mistral Devstral Medium. In community voting, In 4 community votes, Mistral Devstral Medium wins 100% of head-to-head duels.
In 4 community votes, Mistral Devstral Medium wins 100% of head-to-head duels. Mistral Devstral Medium leads in Reasoning. Based on blind community voting from the Rival open dataset of 4+ human preference judgments for this pair.
Mistral Devstral Medium is cheaper on both — 1.4× input, 1.1× output
Pick Mistral Devstral Medium. In 4 blind votes, Mistral Devstral Medium wins 100% of the time. That's not luck.
Mistral Devstral Medium particularly excels in Reasoning.
DeepSeek R1 uses 4.3x more emoji
Compare DeepSeek R1 by DeepSeek against Mistral Devstral Medium by Mistral AI, in 4 community votes, mistral devstral medium wins 100% of head-to-head duels, tested across 54 shared challenges. Updated May 2026.
Mistral Devstral Medium is the better choice overall, winning 100% of 4 blind community votes on Rival. DeepSeek R1 costs $0.55/M input tokens vs $0.4/M for Mistral Devstral Medium. Compare their real outputs side by side below.
DeepSeek R1 is made by deepseek while Mistral Devstral Medium is from mistral. On pricing, DeepSeek R1 costs $0.55/M input tokens vs $0.4/M for Mistral Devstral Medium. In community voting, In 4 community votes, Mistral Devstral Medium wins 100% of head-to-head duels.
In 4 community votes, Mistral Devstral Medium wins 100% of head-to-head duels. Mistral Devstral Medium leads in Reasoning. Based on blind community voting from the Rival open dataset of 4+ human preference judgments for this pair.
Mistral Devstral Medium is cheaper on both — 1.4× input, 1.1× output
Pick Mistral Devstral Medium. In 4 blind votes, Mistral Devstral Medium wins 100% of the time. That's not luck.
Mistral Devstral Medium particularly excels in Reasoning.
DeepSeek R1 uses 4.3x more emoji