DeepSeek Retires deepseek-chat and deepseek-reasoner: What the V4 Model Rename Means for Routing Teams
DeepSeek deprecates deepseek-chat and deepseek-reasoner on July 24, 2026. Routing configs must migrate to deepseek-v4-flash or deepseek-v4-pro. A new Anthropic-compatible endpoint also changes how Claude Code users wire DeepSeek into their agent workflows.
via DeepSeek