{
    "title": "ChatPDF Alternatives 2027: 8 Paid, Free & Open-Source",
    "url": "https://zekaiwork.com/alternatives/chatpdf/",
    "summary": "The best ChatPDF alternatives in 2027 are PDF.ai (best overall, $10/mo billed yearly), AskYourPDF (best free plan: 50 questions a day) and Kotaemon (best open source, Apache-2.0). ChatPDF itself starts at $7.58/mo billed yearly. Zekai checked these prices on vendor pages on 12 Nov 2026; 5 more are compared below, including 2 with a free plan and 3 open source.",
    "tool": {
        "name": "ChatPDF",
        "starting_price": "$7.58/mo billed yearly",
        "free_plan": "2 documents a day",
        "price_checked": "2026-11-12",
        "pricing_url": "https://www.chatpdf.com/"
    },
    "task": "AI document chat",
    "prices_checked": "2026-11-12",
    "date_modified": "2026-11-12",
    "alternatives": [
        {
            "name": "PDF.ai",
            "type": "Free plan + paid",
            "starting_price": "$10/mo billed yearly",
            "free_plan_limit": "1 PDF upload, 100 questions a month, 10MB file, OCR on 2 pages",
            "best_for": "PDF chat with a parsing API",
            "difference": "Pro raises the cap to 100 PDF uploads and 1,000 questions a month; Ultimate is unlimited, uses an advanced model and adds Parse, Extract and Chat APIs plus team invites.",
            "price_checked": "2026-11-12",
            "pricing_url": "https://pdf.ai/pricing",
            "website": "https://pdf.ai",
            "zekai_score": 6.7,
            "zekai_review": "https://zekaiwork.com/ai-tools/pdf-ai/"
        },
        {
            "name": "AskYourPDF",
            "type": "Free plan + paid",
            "starting_price": "$11.99/mo billed yearly",
            "free_plan_limit": "1 document a day, 100 pages each, 50 questions a day",
            "best_for": "Cheap PDF chat with model choice",
            "difference": "Premium accepts documents up to 2,500 pages and 31MB, allows 1,200 questions a day and lets you choose GPT-5, Gemini 2.5 Flash, or credit-priced Claude 4.5 models.",
            "price_checked": "2026-11-12",
            "pricing_url": "https://askyourpdf.com/pricing",
            "website": "https://askyourpdf.com",
            "zekai_score": 7.4,
            "zekai_review": "https://zekaiwork.com/ai-tools/askyourpdf/"
        },
        {
            "name": "Humata",
            "type": "Free plan + paid",
            "starting_price": "$9.99/mo",
            "free_plan_limit": "60 free pages, 1 user",
            "best_for": "Page-metered Q&A for small teams",
            "difference": "Bills by pages rather than documents: Expert includes 500 pages a month then $0.02 a page, Team includes 5,000 at $0.01, and both list GPT-5 support.",
            "price_checked": "2026-11-12",
            "pricing_url": "https://www.humata.ai/pricing",
            "website": "https://www.humata.ai",
            "zekai_score": 8.6,
            "zekai_review": "https://zekaiwork.com/ai-tools/humata/"
        },
        {
            "name": "NotebookLM",
            "type": "Free plan + paid",
            "starting_price": "$19.99/mo",
            "free_plan_limit": "100 notebooks, 50 sources per notebook",
            "best_for": "Source-grounded notebooks from your files",
            "difference": "A notebook holds up to 50 sources on the free plan, 300 on Pro and 500 or 600 on Ultra,, against 50 PDFs per ChatPDF Plus folder. Google now brands it Gemini Notebook.",
            "price_checked": "2026-11-12",
            "pricing_url": "https://one.google.com/about/google-ai-plans/",
            "website": "https://notebooklm.google",
            "zekai_score": 9.5,
            "zekai_review": "https://zekaiwork.com/ai-tools/notebooklm/"
        },
        {
            "name": "Kotaemon",
            "type": "Open source",
            "starting_price": "Free (self-hosted)",
            "free_plan_limit": "No limit (self-hosted)",
            "licence": "Apache-2.0",
            "best_for": "Self-hosted RAG chat for documents",
            "difference": "Runs on your own server with OpenAI, Azure, Cohere, Groq or local Ollama models, so files never reach a third-party PDF service.",
            "price_checked": "2026-11-12",
            "repository": "https://github.com/Cinnamon/kotaemon",
            "zekai_open_source_page": "https://zekaiwork.com/free-open-source/kotaemon/",
            "last_release": "2026-05-31",
            "zekai_score": 7.3,
            "zekai_review": "https://zekaiwork.com/ai-tools/kotaemon/"
        },
        {
            "name": "Open WebUI",
            "type": "Open source",
            "starting_price": "Free (self-hosted)",
            "free_plan_limit": "No limit (self-hosted)",
            "licence": "Open WebUI License (branding clause, not OSI-approved)",
            "best_for": "Self-hosted chat UI with document RAG",
            "difference": "Self-hosted platform built to run offline, connecting Ollama or OpenAI-compatible APIs; document chat is one feature of a general chat interface.",
            "price_checked": "2026-11-12",
            "repository": "https://github.com/open-webui/open-webui",
            "last_release": "2026-11-08",
            "zekai_score": 9,
            "zekai_review": "https://zekaiwork.com/ai-tools/open-webui/"
        },
        {
            "name": "Open Notebook",
            "type": "Open source",
            "starting_price": "Free (self-hosted)",
            "free_plan_limit": "No limit (self-hosted)",
            "licence": "MIT",
            "best_for": "Self-hosted notebook with any model",
            "difference": "Connects to 20-plus providers including OpenAI, Anthropic, Google, Mistral and Ollama, and runs fully local, per its README.",
            "price_checked": "2026-11-12",
            "repository": "https://github.com/lfnovo/open-notebook",
            "zekai_open_source_page": "https://zekaiwork.com/free-open-source/open-notebook/",
            "last_release": "2026-11-04",
            "zekai_score": 7.9,
            "zekai_review": "https://zekaiwork.com/free-open-source/open-notebook/"
        },
        {
            "name": "AnythingLLM",
            "type": "Open source",
            "starting_price": "Free (self-hosted)",
            "free_plan_limit": "No limit (self-hosted)",
            "licence": "MIT",
            "best_for": "Private document chat on your desktop",
            "difference": "Ships as a desktop app for Mac, Windows and Linux with a built-in local LLM engine, so documents can be chatted with on your own computer.",
            "price_checked": "2026-11-12",
            "repository": "https://github.com/Mintplex-Labs/anything-llm",
            "zekai_open_source_page": "https://zekaiwork.com/free-open-source/anythingllm/",
            "last_release": "2026-10-26",
            "zekai_score": 8.6,
            "zekai_review": "https://zekaiwork.com/free-open-source/anythingllm/"
        }
    ],
    "faq": [
        {
            "q": "What is the best alternative to ChatPDF in 2027?",
            "a": "PDF.ai is the best overall ChatPDF alternative on this page ($10/mo billed yearly). For no cost, AskYourPDF has a free plan (1 document a day, 100 pages each, 50 questions a day). To self-host, Kotaemon is open source (Apache-2.0)."
        },
        {
            "q": "Is there a free version of ChatPDF?",
            "a": "Yes. ChatPDF has a free plan: 2 documents a day. Paid plans start at $7.58/mo billed yearly, checked on 12 Nov 2026."
        },
        {
            "q": "Is there a 100% free alternative to ChatPDF?",
            "a": "Yes. Kotaemon, Open WebUI, Open Notebook, AnythingLLM are open source and free to self-host. PDF.ai, AskYourPDF, Humata, NotebookLM have a free plan with limits, shown in the table."
        },
        {
            "q": "What is cheaper than ChatPDF?",
            "a": "Humata starts at $9.99/mo, against $7.58/mo billed yearly for ChatPDF, as listed on each vendor's pricing page on 12 Nov 2026."
        },
        {
            "q": "How much do ChatPDF alternatives cost for a team of 5?",
            "a": "If each of 5 people buys the entry paid plan, at the prices Zekai checked on 12 Nov 2026, the monthly cost is Humata $49.95/mo, PDF.ai $50/mo, AskYourPDF $59.95/mo, against ChatPDF $37.90/mo for ChatPDF. Team and business plans can cost more per seat. The Zekai Cost Finder on this page recalculates for any team size."
        },
        {
            "q": "Which is better, PDF.ai or ChatPDF?",
            "a": "Pro raises the cap to 100 PDF uploads and 1,000 questions a month; Ultimate is unlimited, uses an advanced model and adds Parse, Extract and Chat APIs plus team invites. Choose PDF.ai if you need up to 100 PDFs, API access or invited teammates, which ChatPDF Plus does not list. Stay with ChatPDF if you mostly read single PDFs yourself and want yearly pricing below $8 a month."
        },
        {
            "q": "Why are people leaving ChatPDF?",
            "a": "The documented reasons are: ChatPDF's own FAQ says the free plan analyzes 2 documents every day, and that queries are routed between GPT-4o and GPT-4o-mini. Rivals such as AskYourPDF list GPT-5 models. Date shown is the day the page was read (12 Nov 2026); ChatPDF has no public pricing page: /pricing returns 404 and the plans are shown only in an in-app Upgrade to Plus dialog ($14.99 monthly, $7.58 a month yearly) (12 Nov 2026). Each is sourced in the section above."
        },
        {
            "q": "What is the best ChatPDF alternative?",
            "a": "It depends on the job. AskYourPDF suits model choice, PDF.ai suits API and team use, NotebookLM suits many-source notebooks, and Kotaemon or Open Notebook suit self-hosting."
        }
    ],
    "publisher": "Zekai (zekaiwork.com) — independently reviewed; prices read on vendor pages on the dates shown.",
    "licence": "Free to quote with a link to https://zekaiwork.com/alternatives/chatpdf/. Bulk copying or republishing the dataset is not permitted."
}