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Tech riderRev. 20 Sept 2026

PDF-GPT

Ch 156.5of 27 AI PDF Assistants
  1. 1Runs onAPI, Linux, self-hosted, Web
  2. 2CostsNot stated by the maker
  3. 3Source citationsYes
  4. 4Access platformsWeb, API, self hosted
3 lines stated Written from the maker's own pages: github.com
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The PDF-GPT homepage

Overview

PDF-GPT is ranked #15 of 27 in AI PDF assistants on Specifiction. It runs on API, Linux, Self-hosted, Web.

Compared on AI PDF assistants

Source citations
Yesgithub.com
Access platforms
Web, API, self_hostedgithub.com

Facts

PDF chat
PDF-GPT lets users chat with an uploaded PDF using GPT functionality.github.com · 4 Oct 2026
Document processing
The app splits documents into smaller chunks and generates embeddings with a Deep Averaging Network Encoder.github.com · 4 Oct 2026
Semantic search
It searches PDF content semantically and sends the most relevant embeddings to OpenAI.github.com · 4 Oct 2026
Page citations
Answers can include the PDF page number in square brackets.github.com · 4 Oct 2026
Input options
The documented workflow accepts an uploaded PDF or a PDF URL.github.com · 4 Oct 2026
API
The README describes exposing the app as an API with langchain-serve, including ask_url and ask_file endpoints.github.com · 4 Oct 2026
Local use
The README documents a local Gradio playground available in a browser at localhost:7860.github.com · 4 Oct 2026
Deployment
The project documents Docker Compose use and deployment to Jina Cloud.github.com · 4 Oct 2026
API key
The sample API requests pass an OPENAI_API_KEY in the request environment variables.github.com · 4 Oct 2026
Retrieval limit
The documented flow retrieves the top five chunks with KNN before generating an answer.github.com · 4 Oct 2026
Encoder download
The README says the Universal Sentence Encoder download is 915 MB if fetched at runtime.github.com · 4 Oct 2026
License
The project states that it is licensed under the MIT License.github.com · 4 Oct 2026
Maintainer appeal
The README says the maintainer is seeking open-source contributors to help maintain the application and take backlog items voluntarily.github.com · 4 Oct 2026

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Where it ranks on Specifiction

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Sources