Best AI tools to chat with documents
Top picks at a glance:
- Speechify — Voice AI Productivity Assistant that provides text to speech, voice typing, AI note taking, and podcast creation.
- Glasp — Social web and PDF highlighter that helps you organize and build an AI-powered memory of your reading.
- Semantic Scholar — A free, AI-powered research tool for scientific literature.
- NaturalReader — Transform any text into natural-sounding audio with the newest and highest AI voice technology.
- Collate — Private, on-device AI for understanding PDFs on your Mac.
| Tool | What it does | Pricing | Free tier | Refunds |
|---|---|---|---|---|
| Speechify | Voice AI Productivity Assistant that provides text to speech, voice typing, AI note taking, and podcast creation. | Free tier; paid from $29/mo | Yes | 7 days |
| Glasp | Social web and PDF highlighter that helps you organize and build an AI-powered memory of your reading. | Free tier; paid from $12.50/mo | Yes | None stated |
| Semantic Scholar | A free, AI-powered research tool for scientific literature. | Free tier | Yes | — |
| NaturalReader | Transform any text into natural-sounding audio with the newest and highest AI voice technology. | Free tier | Yes | — |
| Collate | Private, on-device AI for understanding PDFs on your Mac. | Free tier | Yes | — |
— means the vendor does not state it on the pages we read.
How do I choose an AI tool to chat with documents?
When selecting an AI tool, start by identifying your required platform. If you need mobile or browser support, prioritize Speechify, Glasp, or NaturalReader. For those working exclusively on macOS who value privacy, Collate offers a unique on-device experience. Consider your budget; some options like Semantic Scholar are entirely free, while others charge monthly fees. If you are a developer, check for API availability, which Speechify and Semantic Scholar offer. Always review the subscription terms before committing. Glasp auto-renews and offers no refunds, while Speechify provides a 7-day refund window. Finally, determine if you need specialized features like voice output for summarizing or if your primary goal is to ask questions about specific academic papers.
Speechify
Visit Speechifyspeechify.com
Voice AI Productivity Assistant that provides text to speech, voice typing, AI note taking, and podcast creation.
Upload any PDF into the Speechify web app and have Speechify read it out loud to you with lifelike text to speech, summarize it for you
Pricing, in their words: “Premium MOST POPULAR $29 /Month” (pricing)
Subscription terms they state: cancel by email · 7-day refund window (source)
No usage limits stated on the pages we read.
Glasp
Visit Glaspglasp.coCancellation & refund terms for Glasp
Social web and PDF highlighter that helps you organize and build an AI-powered memory of your reading.
PDF Chat (500 messages/month)
— glasp.co
Pricing, in their words: “$12.50 USD/month” (pricing)
Subscription terms they state: cancel in-app · auto-renews · states no refunds (source)
No usage limits stated on the pages we read.
Semantic Scholar
Visit Semantic Scholarsemanticscholar.orgA free, AI-powered research tool for scientific literature.
In the Ask This Paper section on each paper page, select suggested questions or enter your own questions about the paper.
Pricing, in their words: “Semantic Scholar is a free, AI-powered research tool for scientific literature”
No usage limits stated on the pages we read.
NaturalReader
Visit NaturalReadernaturalreaders.com
Transform any text into natural-sounding audio with the newest and highest AI voice technology.
Save Time by instantly getting a concise summary of the key takeaways.
Pricing, in their words: “Cancel anytime No credit card required Free forever plan” (pricing)
No usage limits stated on the pages we read.
Collate
Visit Collatecollate.one
Private, on-device AI for understanding PDFs on your Mac.
Chat with PDFs, make clear summaries, and trace answers back to the page.
Pricing, in their words: “Collate is free for Mac.” (pricing)
No usage limits stated on the pages we read.
FAQ
Is there a free tool to chat with documents?
Yes — Speechify, Glasp, Semantic Scholar, NaturalReader, Collate offer a free tier.
What is the cheapest paid option to chat with documents?
Glasp starts at $12.50/month.
Which of these have an API?
Speechify, Semantic Scholar document a developer API.
How do I cancel these subscriptions?
Speechify: cancel by email; Glasp: cancel in-app. Semantic Scholar, NaturalReader, Collate do not state a cancellation route on the pages we read.
Can I get a refund?
Speechify states a 7-day refund window; Glasp states it does not offer refunds. The others (Semantic Scholar, NaturalReader, Collate) do not state a refund policy on the pages we read.
Do these subscriptions auto-renew?
Glasp states that paid plans renew automatically. Check the billing page before subscribing; the rest do not state it either way.
Sources
Every fact above was read from the vendors' own pages: