DeepSeek opens up its full app toolkit via API, letting devs rebuild the official app
AI寒武纪 · wechat · 2026-11-13
DeepSeek has released a full suite of app APIs that expose the capabilities behind its official app — web search, file input, link reading, voice interaction, and safety moderation — directly inside its existing API. Developers can enable features with parameters, with tool calls and context stitching handled server-side, making a 1:1 clone of the DeepSeek app feasible.
The V4.1-Flash model supports five capabilities across Messages, Responses and ChatCompletions endpoints: web/image search with citations in non-thinking mode, autonomous search-and-read during multi-step reasoning, file parsing for PDF/Office/images, automatic URL fetching, and opt-in input/output moderation. Standalone Search, Fetch, OCR, ASR and TTS APIs are also available for flexible composition.
DeepSeek open-sourced a lightweight frontend demo that can import existing DeepSeek chat history. Pricing adds per-tool call fees on top of standard token costs.
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