pdf.chat vs ChatGPT
Uma comparação honesta lado a lado.
ChatGPT: ~5B visits/mo (all uses) · growing · GPT-4o / GPT-5 (OpenAI)
ChatGPT can take a PDF and answer questions about it, and if you already pay for Plus it is a strong general assistant. But it is built for general chat, not document work: it does not cite the exact page an answer came from, it is a single model (GPT only), and large or scanned PDFs run into upload and context limits. pdf.chat is purpose-built for documents — every answer cites the page so you can verify it, you can run the same question across Claude, GPT, Gemini and more, scanned PDFs are OCR'd, and each document gets a workspace you can come back to.
| Característica | pdf.chat | ChatGPT |
|---|---|---|
| Built for | Chatting with your documents | General-purpose assistant |
| Cites the exact source page | Yes — click to verify | No |
| Compare multiple AI models | Yes — Claude, GPT, Gemini, Llama, DeepSeek | No — GPT only |
| Free OCR for scanned PDFs | Yes, included | Limited |
| Large & multi-document chat | Yes — retrieval over hundreds of pages | Upload / context limits |
| Per-document saved workspace | Yes | Threads, not document-organized |
| Start without a paid plan | Yes — genuine free tier | Plus needed for real file use |
| Price | Free tier, paid from $5/mo | $20/mo (Plus) |
Os valores dos concorrentes são aproximados (mediados-2026) e os seus preços e limites variam frequentemente — verifiquem os pormenores actuais sobre ChatGPTO próprio local antes de decidir.
Sem inscrição, sem armadilha de teste de $1, sem um clique em cancelar.