pdf.chat vs ChatPDF
He whakatairanga pono, he whakatairanga taha-ki-taha.
ChatPDF: ~1.8M visits/mo · declining (down from ~3.9M in 2024) · GPT-4o / GPT-4o-mini (OpenAI)
ChatPDF is the category leader by traffic and the brand "pdf chat" reverses. It is fully translated, which is why it dominates organic search in Latin America and Brazil, and it adds study extras like flashcards and slides. Its weak spots are citations (page-level, not exact spans) and a billing flow users frequently complain about. pdf.chat's wedge against it is Claude-native, verifiable citations and a genuine free tier with no $1 trap.
| He āhuatanga | pdf.chat | ChatPDF |
|---|---|---|
| Default model | Claude (Sonnet 4.6 / Opus 4.8) | GPT-4o / GPT-4o-mini |
| Verifiable span-level citations | Yes — native Anthropic Citations API (Pro) | No — page-level only |
| Page-level citations on the free tier | Yes | Yes |
| Free OCR for scanned PDFs | Yes, included | Limited |
| Multi-document chat | Yes | Yes (paid) |
| Flashcards / study tools | Yes | Yes |
| Localized / translated UI | Yes (coverage-gated) | Yes (fully translated) |
| No $1 trial trap, one-click cancel | Yes | Dark-pattern billing reported |
| Free-tier limit | 150 pages/doc, 50 questions/day | ~120 pages, limited daily questions |
Ko ngā whika whakataetae he tata tonu (waenga-2026) ā, he rite tonu te huringa o ō rātou utu me ngā tepe - tirohia ngā taipitopito o nāianei i runga i te. ChatPDFKo te wāhi ake o te wāhi i mua i te whakataunga.
Kāore he whakaingoatanga, kāore he whakamātautau $1, kotahi te kaitiaki.