DeepSeek‑V4‑Pro‑0813 is DeepSeek’s flagship official‑release LLM. 1M context window with up to 384K max output tokens. Supports thinking / non‑thinking modes. Enhanced for agent workflows, coding and complex reasoning. Supports tool‑calling & JSON output, compatible with OpenAI and Anthropic API formats. Ideal for long‑document analysis, large codebases and multi‑step agent tasks。