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2 / 4 Tools
| Attribute | ChatGPT by OpenAI | ChatPDF by ChatPDF GmbH |
|---|---|---|
| Category | AI Chat Subcategory: Conversational Assistant | PDF & Documents Subcategory: Conversational Document Chat |
| Rating & Reviews | ★New / 5.0 0 verified reviews Weighted score: 0.00 | ★New / 5.0 0 verified reviews Weighted score: 0.00 |
| Pricing Model | freemium | freemium |
| Starting Price | $20/mo Free tier with GPT-4o mini; Plus subscription at $20/month for frontier reasoning and priority features. | $5/mo Free for 2 PDFs/day up to 120 pages each; Plus plan at $5/month for unlimited PDFs and 2,000 pages per document. |
| Platforms | WebiOSAndroidmacOSWindows | Web |
| AI Capabilities | Natural Language UnderstandingComplex ReasoningVoice InteractionCode GenerationDocument Analysis | Zero-Setup PDF UploadDirect Page Number AttributionMultilingual Document Question AnsweringAPI ConnectivityExportable Chat History |
| Overview | OpenAI conversational assistant featuring GPT-4o, reasoning models o1 & o3-mini, Advanced Voice mode, and deep canvas workspace. | Fast, accessible web tool to chat with any PDF—financial reports, legal contracts, manuals, and scientific papers. |
| Tags | chatassistantopenaiproductivitymultimodal | chatpdfpdfdocumentscontractsfast |