Alternatives to GPT Researcher

An open-source autonomous agent that researches the web and local documents and writes cited reports. The listings below can replace it for an important use case. Each note says what changes if you switch.

The original

Replacements

Listings that take over the same core job as GPT Researcher.

  • Local Deep Research

    A self-hosted research assistant that runs multi-step searches with local or cloud language models.

    Local Deep Research is an open-source, self-hosted assistant running multi-step searches across arXiv, PubMed and other sources with local encrypted storage, needing a capable GPU for local models.

  • STORM

    An open-source LLM system that researches a topic and writes a full-length report with citations.

    STORM is an open-source CLI research project that writes long cited reports using multi-perspective questioning, with less polish and no web front end.

  • SurfSense

    An open-source, self-hostable research agent and NotebookLM alternative that answers questions over your documents.

    SurfSense is an open-source, self-hostable research agent focused on answering questions over your documents and connected sources, with air-gapped operation and an MCP server.

  • Khoj

    Open-source AI second brain that researches across your documents and the web with any model.

    Khoj is an AGPL-3.0 open-source assistant that researches across your documents and the web with local or remote models, adding scheduled automations and custom agents.

  • Skywork

    A web-based AI agent workspace that turns simple prompts into documents, slides, sheets and more.

    FreemiumProprietaryWeb

    Skywork is a hosted web agent workspace with deep research built into report generation and outputs such as slides, but it is not open source or self-hostable.

  • Perplexity

    An AI answer engine that searches the web and replies with cited sources.

    FreemiumProprietaryWeb

    Perplexity is a hosted freemium answer engine with cited sources and no setup or API keys needed, but it is closed source and does not write long reports locally.

Similar software

Related functionality, not a direct replacement.