Pick a winner in each dimension — change your vote anytime.
Pricing and capabilities synced from the OpenRouter catalogue. Scores are editorial (0–10).
Choose Codestral if you want fast completions and lightweight code edits. Choose Gemini 3.1 Flash Lite if you want cheap, high-volume steps that still need long context.
In our editorial scoring, Gemini 3.1 Flash Lite leads in 3 of five dimensions (output quality, agentic ability and speed), while Codestral leads in 2. On price, Codestral runs about $0.48 per 1M tokens (blended) and is proprietary; Gemini 3.1 Flash Lite is about $0.63 and proprietary.
The model picks the moves; the agent runs the loop, the tools, and the guardrails. Once you've chosen a model, see which agent gets the most out of it.