product · inferred from evidence
deepseek-v4-pro
A specific model version offered by DeepSeek.
- DeepSeek multi-turn agent 400 error: The `reasoning_content` in the thinking mode must be passed back to the API
A maintainer re-tested this live against the current DeepSeek API and confirmed the 400 no longer reproduces: multi-turn agent loops with tool calling now succeed on deepseek-v4-flash / deepseek-v4-pro with or without reasoning_content in t