DeepSeek R1 (0528) vs Mistral Large 3

Choose DeepSeek R1 (0528) if you want reasoning-heavy planning where cost matters. Choose Mistral Large 3 if you want general-purpose open-weight agent work, especially in the EU.

In our editorial scoring, Mistral Large 3 leads in 4 of five dimensions (output quality, agentic ability, speed and value for $), while DeepSeek R1 (0528) leads in 0. On price, DeepSeek R1 (0528) runs about $0.99 per 1M tokens (blended) and is open-weight; Mistral Large 3 is about $0.80 and open-weight.

The model is half the story — the agent is the other half

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.