Deep Research with DeepSeek: Your AI-Powered Research Assistant

Ever wish you had a research assistant that could read hundreds of web pages for you? OpenAI’s research tool costs $200 a month, but I built something that works just as well, and it’s completely free and open source.

Meet Deep Research, an intelligent research companion powered by DeepSeek. You give it a research topic, and it handles the rest — from searching the web to delivering a structured summary.

Here is how it works under the hood:

Smart query generation. Deep Research takes your research topic and breaks it down into a set of targeted search queries. Rather than typing a single broad search, it explores your topic from multiple angles — the way a human researcher would brainstorm different directions to investigate.

Web search and filtering. It searches the web through DuckDuckGo to find relevant pages, then filters through the results to identify the most promising sources. This keeps the research grounded in real, publicly available information.

Deep reading and extraction. Once it has a shortlist of useful pages, Deep Research reads through each one and pulls out the details that matter. It does not just grab the first paragraph — it works through the content to surface facts, data points, and arguments that are actually relevant to your question.

Summarization into a clear report. After gathering information from multiple sources, it synthesizes everything using DeepSeek — running on Groq’s fast inference infrastructure — into a clean PDF summary. You get a single document you can read, share, or reference, instead of a pile of open browser tabs.

The entire tool is open source. You can find the codebase on GitHub at mingdaoai/deep-research. Give it a try and let me know how it works for you.

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