Last updated 07-30-2026
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Chat PDF AI
Chat PDF AI is a PDF chat assistant that lets you upload documents and ask questions in a conversational interface. It uses advanced models such as GPT-4o and Claude 3 to summarize, extract tables, rewrite sections, and translate content. The site advertises support for up to 5 million tokens of context per chat session.
General PDF readers stop at scrolling and keyword search. Chat PDF AI targets question-and-answer workflows with table analysis, mind map export, and batch handling of files up to 50 MB. Paid tiers raise monthly question and PDF limits, which fits researchers working through long reports instead of one-off summaries.
Marketing managers use it to pull insights from campaign PDFs without reading every page. Research analysts batch upload large files for extraction and translation. Freelance writers summarize client briefs and collaborate through the chat interface while documents stay encrypted on upload.
Chat with PDF files using GPT-4o and Claude 3 models
Supports up to 5 million tokens of context per conversation
Lite plan is $3.99 per month for 2,000 questions and 200 PDFs
Processes multiple PDF files up to 50 MB each
Table reading and analysis alongside plain text extraction
Exports complex PDF content to mind maps and 100+ language translations
Documents encrypted on upload with privacy-focused handling
Supports very long PDFs with up to 5 million tokens of chat context.
Combines summarization, table analysis, translation, and mind maps in one tool.
Entry paid plan starts at $3.99 per month with thousands of monthly questions.
Encrypts uploaded documents and states data is not shared without consent.
Free tier details are sparse beyond basic functions mentioned in the FAQ.
Per-file cap is 50 MB, which may block very large scanned archives.
Heavy usage requires Elite at $23.99 per month for 16,000 questions.
Is Chat PDF AI free?
Yes. Chat PDF AI offers a free plan with basic functions plus paid Lite, Classic, and Elite subscriptions. Lite starts at $3.99 per month with 2,000 monthly questions and processing for up to 200 PDFs.
What models does Chat PDF AI use?
Chat PDF AI uses advanced large language models including GPT-4o and Claude 3 to read and analyze uploaded PDFs. The site states this stack delivers faster and more accurate answers than basic PDF viewers.
How large can PDF files be on Chat PDF AI?
Chat PDF AI can process multiple large PDF files up to 50 MB at the same time according to its FAQ. The homepage also highlights support for very long documents with up to 5 million tokens of context.
How much does Chat PDF AI Classic cost?
Chat PDF AI Classic is $7.99 per month on the monthly billing view, with 5,000 questions and up to 300 PDFs processed each month. Three-month billing shows a $23.98 total on the pricing cards.
Is my data safe on Chat PDF AI?
Chat PDF AI states that uploaded documents are encrypted and protected, and your data will not be shared without consent. The paid tiers list advanced data security and privacy protection as included features.
What can I do besides chatting with a PDF?
Chat PDF AI summarizes documents, extracts text and tables, translates content, converts PDFs to mind maps, and rewrites sections on request. The tools collection on the homepage groups reading, editing, and analysis workflows together.