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ChatPDF vs OpenBrief

Both stand on text summarization software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

ChatPDF

Free plan AndroidAPIExtension+5

ChatPDF combines document summaries, questions, citations, and file sharing, with support for several document formats and languages. The free plan's daily document limit and the API's file constraints are important considerations.

Visit ChatPDF

OpenBrief

Free plan LinuxMacWindows

Choose OpenBrief to turn recordings into transcripts, summaries, transcript-based answers, and exportable notes while keeping media processing local. Look elsewhere if you need webpage summarization or do not have the stated desktop and local inference requirements.

Visit OpenBrief

The facts

ChatPDFOpenBrief
Free planYesYes
Open sourceNot publishedNot published
Runs onAndroid, API, Extension, iPhone, Linux, Mac, Web, WindowsLinux, Mac, Windows
Lowest paid planChatPDF Plus yearly: $89.99 a yearFree or on request
Plans published41
MakerNot publishedNot published
Websitechatpdf.comopenbrief.app
On text summarization software#3 of 24#7 of 24

ChatPDF: what it does well

  • Citations link answers to PDF references.
  • Can discuss multiple PDFs in one conversation.
  • Accepts PDFs in any language.
  • Sharing access can be managed or revoked.
  • Free plan allows two documents per day.

What to know first

  • Free plan is limited to two documents per day.
  • API files are limited to 2,000 pages or 32 MB.
  • Chat API is stateless.

OpenBrief: what it does well

  • Accepts local files and supported web links in a source library.
  • Uses existing captions when available and transcribes when needed.
  • Answers questions tied to the transcript.
  • Exports summaries, decisions, timestamps, and notes to Markdown.
  • Media processing runs locally; files and notes stay on the device.

What to know first

  • Requires a local inference stack for transcription, voice generation, and voice cloning.
  • Webpage summarization is unavailable.
  • No free trial is offered.

Alternatives to ChatPDF Alternatives to OpenBrief The whole list