Loading DocLumi...
Loading DocLumi...
Why DocLumi is the #1 AI document intelligence platform in 2026. 12 features compared across pdf.ai, ChatDOC, and Smallpdf.
| Feature | DocLumi | pdf.ai | ChatDOC | Smallpdf |
|---|---|---|---|---|
| AI Chat with PDF | — | |||
| Bilingual Translation | — | — | — | |
| Citation Tracking | — | — | ||
| 1M Token Context Window | — | — | — | |
| Free Tier | ||||
| Privacy (Auto-Delete Files) | — | — | — | |
| GDPR Compliant | ||||
| AI Model | DeepSeek V4 (#1 Arena) | GPT-4o | GPT-4o | N/A |
| Max File Size (Free) | 50MB | 10MB | 20MB | 25MB |
| Bulk Processing | — | — | ||
| API Access | ||||
| Response Speed (tokens/s) | 85 | 60 | 45 | N/A |
Free for 3 documents. No credit card. 50MB per file. Cancel anytime.