Gemini 2.0 Flash vs Devstral 2 (123B)
Google Gemini 2.0 Flash | Mistral Devstral 2 (123B) | |
|---|---|---|
| Overview | ||
| Company | Mistral | |
| Release date | Jan 30 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. | 15% | — |
| Timeline | ||
| Release gap | Gemini 2.0 Flash shipped 313 days before Devstral 2 (123B) | |
Which is better: Gemini 2.0 Flash or Devstral 2 (123B)?
Gemini 2.0 Flash and Devstral 2 (123B) don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Gemini 2.0 Flash shipped 313 days before Devstral 2 (123B), so benchmark comparisons should account for the intervening progress.
Gemini 2.0 Flash is proprietary, while Devstral 2 (123B) is open weight.
Direct benchmark comparisons are unavailable — Gemini 2.0 Flash and Devstral 2 (123B) don't publish scores on any of the same benchmarks.
Frequently asked questions
Gemini 2.0 Flash was released by Google on Jan 30 2025.
Devstral 2 (123B) was released by Mistral on Dec 9 2025.
Gemini 2.0 Flash is a proprietary model released by Google. Devstral 2 (123B) is an open weight model released by Mistral.
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