Gemini 3.1 Flash-Lite vs Devstral 2 (123B)
Google Gemini 3.1 Flash-Lite | Mistral Devstral 2 (123B) | |
|---|---|---|
| Overview | ||
| Company | Mistral | |
| Release date | Mar 3 2026 | 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. | 11% | — |
| Timeline | ||
| Release gap | Devstral 2 (123B) shipped 84 days before Gemini 3.1 Flash-Lite | |
Which is better: Gemini 3.1 Flash-Lite or Devstral 2 (123B)?
Gemini 3.1 Flash-Lite and Devstral 2 (123B) don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Devstral 2 (123B) shipped 84 days before Gemini 3.1 Flash-Lite, so benchmark comparisons should account for the intervening progress.
Gemini 3.1 Flash-Lite is proprietary, while Devstral 2 (123B) is open weight.
Direct benchmark comparisons are unavailable — Gemini 3.1 Flash-Lite and Devstral 2 (123B) don't publish scores on any of the same benchmarks.
Frequently asked questions
Gemini 3.1 Flash-Lite was released by Google on Mar 3 2026.
Devstral 2 (123B) was released by Mistral on Dec 9 2025.
Gemini 3.1 Flash-Lite is a proprietary model released by Google. Devstral 2 (123B) is an open weight model released by Mistral.
Other comparisons
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