Opening up the in-house search API
DeepSeek opens to API users the in-house search engine that powers its web and API search. The same date also brings a DeepSeek-V4.1-Flash-1017 update.
What the article says
In its October 17, 2026 update notes, DeepSeek announces that it is opening its in-house search engine through an API. The company explains that the web and API search in its services runs on this engine, which it describes as an AI-native general-purpose search engine.
It says the engine handles hundreds of millions of search requests a day worldwide and indexes hundreds of billions of web pages. It supports multilingual search and aims to return relevant, authoritative and timely results in real time. Detection mechanisms filter out SEO spam, GEO manipulation and low-quality AI-generated content, to provide trustworthy information to both users and language models. Usage details are in the Search & Fetch guide; the entry gives no pricing or rollout schedule.
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