Gemini 2.5 Flash-Lite and Devstral Small don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Devstral Small shipped 27 days before Gemini 2.5 Flash-Lite, so benchmark comparisons should account for the intervening progress.

Gemini 2.5 Flash-Lite is proprietary, while Devstral Small is open weight.

Direct benchmark comparisons are unavailable — Gemini 2.5 Flash-Lite and Devstral Small don't publish scores on any of the same benchmarks.