DeepSeek-V4-ProvsDevstral Small 2 (24B)
DeepSeek-V4-Pro | Devstral Small 2 (24B) | |
|---|---|---|
| Benchmarks | ||
Nonsense detection BullshitBench v2Given a confidently-worded but nonsensical prompt, does the AI spot that it makes no sense and push back — instead of playing along and inventing an answer? The score is how often it clearly called out the nonsense. Higher is better. | 14% | — |
Competitive coding LiveCodeBenchCoding problems published so recently the AI can't have seen them in training — a contamination-free test of raw programming skill. Higher is better. | 93.5% | — |
Web browsing BrowseCompCan the AI browse the web and track down hard-to-find answers? Higher is better. | 83.4% | — |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 90.1% | — |
Community preference (code) Arena Elo (Code)Like the text arena, but people vote on which AI writes better code. The votes become a chess-style Elo rating on arena.ai. Higher is better. | 1457 | — |
| Timeline | ||
| Release gap | Devstral Small 2 (24B) shipped 136 days before DeepSeek-V4-Pro | |
| Overview | ||
| Company | DeepSeek | Mistral |
| Release date | Apr 24 2026 | Dec 9 2025 |
| Access | Open Weight | Open Weight |
Which is better: DeepSeek-V4-Pro or Devstral Small 2 (24B)?
DeepSeek-V4-Pro and Devstral Small 2 (24B) don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Devstral Small 2 (24B) shipped 136 days before DeepSeek-V4-Pro, so benchmark comparisons should account for the intervening progress.
Published specifications for these two models are limited — see each model page for the latest details.
Direct benchmark comparisons are unavailable — DeepSeek-V4-Pro and Devstral Small 2 (24B) don't publish scores on any of the same benchmarks.
Frequently asked questions
DeepSeek-V4-Pro was released by DeepSeek on Apr 24 2026.
Devstral Small 2 (24B) was released by Mistral on Dec 9 2025.
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