Pro model · DeepSeek · updated 2026-09-26

DeepSeek V4 Pro

Pro-grade open reasoner for code and math. API id: deepseek/deepseek-v4-pro

DeepSeek's pro tier: deliberate reasoning for code and math at open-model prices.

Best for

Algorithm work, math-heavy code, careful debugging, and anyone who likes watching the reasoning before the answer.

Use it

Pick it in the Web Agent or Chat picker, or pass deepseek/deepseek-v4-pro to /api/agent.php. Needs Pro or your own key.