PDF-GPT
PDF-GPT: A focused open-source foundation for building single-PDF Q&A services. Ranked #25 of 27 in AI PDF Assistants by our editors (6.8/10); pricing: Open source; best for developers building PDF Q&A services.
At a glance
- Editor score6.8 / 10
- PricingOpen source
- Best forDevelopers building PDF Q&A services
- Paid fromFree
- Facts checked20 Sep 2026
Where it wins
- Accepts PDFs by upload or URL for question answering
- Combines embeddings, semantic search, and GPT-based answers
- Returns page-number citations and exposes question-answering APIs
Where it doesn't
- Focused on a single-PDF workflow
- Not suited to scanned-document workflows
- Does not include documented integrations
Our verdict on PDF-GPT
PDF-GPT is an open-source application for asking questions about a PDF through GPT-based responses. It accepts an uploaded file or a PDF URL, divides the document into smaller text chunks, creates embeddings, and searches those chunks semantically before generating an answer from relevant passages. Responses can include page-number citations, making the product a focused option for developers building PDF question-answering services rather than a broad document workspace.
Its main strength is the clear progression from document ingestion to retrieval and answer generation. The project supports web, API, and self-hosted access, and it can run locally with Python, Docker, and a browser-based Gradio interface. For application builders, question-answering APIs and deployment through LangChain Serve provide a path beyond the browser interface. The open-source model also suits teams that want to inspect, adapt, or operate the workflow themselves.
PDF-GPT is narrower than a general-purpose document assistant. The workflow centers on one PDF at a time, which makes it a better fit for focused document Q&A than cross-document research or a shared document workspace. It also is not suited to scanned-document workflows, and its product scope does not include documented integrations. Choose PDF-GPT when you need an open-source foundation with URL or file ingestion, semantic retrieval, GPT answers, and page citations. Choose another tool when multi-PDF analysis, OCR-oriented workflows, or connected integrations are central requirements.
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PDF-GPT pricing
PDF-GPT fact sheet
| Free plan | Not verified |
|---|---|
| Paid from | Free |
| Maximum file size | Not verified |
| Maximum PDF pages | Not verified |
| Multiple PDFs per chat | Not verified |
| Source citations | Yes |
| Scanned PDF support | Not verified |
| Export formats | Not verified |
| Access platforms | web, api, self_hosted |
| Deployment | Cloud, Self-hosted |
| Platforms | Web |
| Support | Docs |
| Built for | Solo, Small business (editorial estimate) |
| Pricing | Open source |
| Website | github.com |
| Facts checked | 20 Sep 2026 |
Alternatives to PDF-GPT
- AI PDF ReaderA low-cost, local-first PDF assistant for private analysis across Windows, macOS, and iOS.9.4
- AnaraA citation-focused AI research workspace with broad connectors and multi-document analysis.9.2
- docAnalyzerA citation-rich document workspace with OCR, workflows, APIs, and broad exports.9.1
See all PDF-GPT alternatives →
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Featured on iTechGuides
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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