AI BriefingDeepSeek API Adds Web Search, File Input, and Voice Capabilities for V4.1-Flash
·2026.11.13 09:00
Key point
V4.1-Flash enables server-side tool calls for search, file input, and safety checks, with standalone APIs available for OCR, ASR, and TTS.
Details
- DeepSeek API now exposes the full suite of DeepSeek App capabilities, including web search, file input, URL reading, model safety, ASR, and TTS.
- V4.1-Flash (deepseek-flash) supports these features across Messages, Responses, and Chat Completions endpoints, with tool calls and context assembly handled server-side.
- Built-in tools include web search with citations, deep thinking search, file parsing for PDFs and Office documents, automatic URL fetching, and safety checks that return refusal indicators.
- Extended capabilities incur tool usage fees in addition to standard token charges, and public-facing apps must enable safety checks while developers remain responsible for content moderation and AI content labeling.
- An open-source frontend demo is available for importing DeepSeek conversation history, alongside standalone APIs for OCR, ASR, and TTS for custom workflows.
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