ChatGPT review

ChatGPT is the tool many students and office workers already have open, and its file uploads cover most PDF questions. OpenAI's help center says documents and presentations can be up to 512MB per file, text and document files are capped at 2 million tokens per file, and users can upload up to 80 files every 3 hours. Projects keep files together for repeat work: Free allows 5 files per project, Go and Plus allow 25, and Pro, Business and Enterprise allow 40. Uploads are available on the Free plan, which makes ChatGPT an easy first step for a one-off contract or a homework reading. The catch on the free tier is volume, since free users are limited to 3 file uploads per day. The paid plans are Go, Plus and Pro, but OpenAI's pricing page showed local currency from our location, so we list the USD price as pending. We compared documented features and published prices.

Who it is for

people who already use ChatGPT for everyday questions

Price

See vendor pricing (USD check pending).

US price check pending. See the vendor pricing page.

Key features

• Documents up to 512MB per file
• Text and document files capped at 2 million tokens per file
• Up to 80 file uploads every 3 hours
• Go and Plus allow up to 25 files per project
• Free plan includes document uploads

Strengths and weaknesses

• Strength: Document uploads are on the Free plan
• Strength: Large per-file cap of 512MB for documents
• Strength: Projects keep files together for repeated questions
• Weakness: Free users are limited to 3 file uploads per day
• Weakness: Free projects hold only 5 files
• Weakness: Pricing page shows local currency here, so we could not confirm a USD price

Key facts

• Free plan: Yes, 3 file uploads a day
• Max document size: 512MB per file
• Token cap: 2 million tokens per file
• Project files (Go and Plus): Up to 25

Where it ranks

ChatGPT is No. 3 in our Best AI PDF Chat Tools verdict and No. 1 in Best AI Writing Tools.