Gemini 2.5 Flash vs Devstral Small 2 (24B)
Google Gemini 2.5 Flash | Mistral Devstral Small 2 (24B) | |
|---|---|---|
| Overview | ||
| Company | Mistral | |
| Release date | Apr 17 2025 | Dec 9 2025 |
| Access | Proprietary | Open Weight |
| 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 236 days before Devstral Small 2 (24B) | |
Which is better: Gemini 2.5 Flash or Devstral Small 2 (24B)?
Gemini 2.5 Flash and Devstral Small 2 (24B) don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Gemini 2.5 Flash shipped 236 days before Devstral Small 2 (24B), so benchmark comparisons should account for the intervening progress.
Gemini 2.5 Flash is proprietary, while Devstral Small 2 (24B) is open weight.
Direct benchmark comparisons are unavailable — Gemini 2.5 Flash and Devstral Small 2 (24B) 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 2 (24B) was released by Mistral on Dec 9 2025.
Gemini 2.5 Flash is a proprietary model released by Google. Devstral Small 2 (24B) is an open weight model released by Mistral.
Other comparisons
Gemini 2.5 Flash vs Claude Sonnet 5Devstral Small 2 (24B) vs Claude Sonnet 5Gemini 2.5 Flash vs GPT-5.6 SolDevstral Small 2 (24B) vs GPT-5.6 SolGemini 2.5 Flash vs Muse Spark 1.1Devstral Small 2 (24B) vs Muse Spark 1.1Gemini 2.5 Flash vs Grok 4.5Devstral Small 2 (24B) vs Grok 4.5Gemini 2.5 Flash vs DeepSeek-V4-ProDevstral Small 2 (24B) vs DeepSeek-V4-ProGemini 2.5 Flash vs Kimi K2.7 CodeDevstral Small 2 (24B) vs Kimi K2.7 Code