Alternatives to Petal

A web platform for storing documents and asking an AI questions answered with sources from them. The listings below can replace it for an important use case. Each note says what changes if you switch.

The original

  • Petal

    A web platform for storing documents and asking an AI questions answered with sources from them.

    FreemiumProprietaryWeb

Replacements

Listings that take over the same core job as Petal.

  • Humata

    An AI tool for asking questions about your documents, with cited answers and summaries.

    FreemiumProprietaryWeb

    Humata answers questions across many uploaded documents with cited passages and summaries, and can be embedded in a webpage or accessed through an API.

  • Anara

    An AI research workspace for searching, questioning and citing papers and documents in your library.

    Anara searches and questions up to 10,000 files with answers linked to exact passages, writes with automatic citations, and has macOS and iOS apps.

  • Gemini Notebook

    Google's AI research notebook, formerly NotebookLM, that summarizes and answers questions about your uploaded sources.

    FreemiumProprietaryWeb

    Gemini Notebook, formerly NotebookLM, summarizes and answers questions across your uploaded sources, requiring a Google account with documents processed by Google.

  • Logically

    An AI workspace for citation-backed research, reference management, PDF annotation and paper writing.

    FreemiumProprietaryWeb

    Logically combines reference management, citation-backed AI chat, PDF annotation and paper writing in one web workspace, with pricing not published on its homepage.

  • ChatPDF

    An AI tool that summarizes PDFs and answers questions about them, with citations to the source.

    FreemiumProprietaryWeb

    ChatPDF answers questions with cited passages, uses folders to chat across several files, and offers desktop and mobile apps, but lacks team collaboration features.

  • Open Notebook

    Self-hosted, open source alternative to Google's NotebookLM.

    Open Notebook is an MIT-licensed, self-hosted NotebookLM alternative, so documents stay on your own server instead of a vendor cloud, depending on the configured model provider.

  • 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 answering over your documents and connected sources, able to run air-gapped, but requiring you to maintain a server.

Similar software

Related functionality, not a direct replacement.