Gemini 2.5 Flash vs Devstral Small
Google Gemini 2.5 Flash | Mistral Devstral Small | |
|---|---|---|
| Overview | ||
| Company | Mistral | |
| Release date | Apr 17 2025 | May 21 2025 |
| Access | Proprietary | Open Weight |
| Specifications | ||
Parameters | — | 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. | 19% | — |
| Timeline | ||
| Release gap | Gemini 2.5 Flash shipped 34 days before Devstral Small | |
Which is better: Gemini 2.5 Flash or Devstral Small?
Gemini 2.5 Flash and Devstral Small don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Gemini 2.5 Flash shipped 34 days before Devstral Small, so benchmark comparisons should account for the intervening progress.
Gemini 2.5 Flash is proprietary, while Devstral Small is open weight.
Direct benchmark comparisons are unavailable — Gemini 2.5 Flash and Devstral Small don't publish scores on any of the same benchmarks.
Frequently asked questions
Gemini 2.5 Flash was released by Google on Apr 17 2025.
Devstral Small was released by Mistral on May 21 2025.
Gemini 2.5 Flash is a proprietary model released by Google. Devstral Small is an open weight model released by Mistral.
Other comparisons
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