Gemini 3.1 Flash and Code Llama don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Code Llama shipped 917 days before Gemini 3.1 Flash, so benchmark comparisons should account for the intervening progress.

Gemini 3.1 Flash is proprietary, while Code Llama is open weight.

Direct benchmark comparisons are unavailable — Gemini 3.1 Flash and Code Llama don't publish scores on any of the same benchmarks.