Nanonets vs Rossum: Which Is Better?
Sarah Chen
Updated March 2026 · 8 min read
Nanonets
8.2
/10- ✓Custom model training needs fewer labeled examples than most competitors
- ✓Handles weird, non-standard document formats better than most tools
- ✓Pre-built models for invoices, POs, and receipts work right away
- ✗No published pricing. You have to call sales to find out what it costs
- ✗Getting the best results from custom models requires some technical know-how
- ✗Processing gets slow on complex custom models
Starting at Custom pricing
Rossum
8.6
/10- ✓Built from the ground up for AP automation. It shows in every workflow detail
- ✓Gets measurably more accurate over time as you correct extractions
- ✓Best exception handling and validation queue we tested
- ✗Custom pricing only. No way to try it without talking to sales first
- ✗Implementation usually requires professional services help
- ✗Way too much tool for teams processing a few dozen documents a month
Starting at Custom pricing
Quick Verdict
Rossum scores higher overall (8.6/10 vs 8.2/10). Choose Nanonets if you need teams with unusual document types that need custom model training. Choose Rossum if you need enterprise ap teams processing thousands of vendor invoices monthly.
Where Nanonets Wins
- Custom model training needs fewer labeled examples than most competitors
- Handles weird, non-standard document formats better than most tools
- Pre-built models for invoices, POs, and receipts work right away
Where Rossum Wins
- Built from the ground up for AP automation. It shows in every workflow detail
- Gets measurably more accurate over time as you correct extractions
- Best exception handling and validation queue we tested
Feature Comparison
| Feature | Nanonets | Rossum |
|---|---|---|
| Overall Score | 8.2/10 | 8.6/10 |
| Starting Price | Custom pricing | Custom pricing |
| Accuracy Score | 8.8 | 9.0 |
| Ease of Use | 7.8 | 8.2 |
| Integrations | 8.5 | 9.0 |
| Best For | Teams with unusual document types that need custom model training | Enterprise AP teams processing thousands of vendor invoices monthly |
Pricing Comparison
Nanonets starts at Custom pricing, while Rossum starts at Custom pricing.