API4AI OCR vs Calamari OCR
| API4AI OCR | Calamari OCR | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | api | api, Linux, self-hosted |
| Handwriting OCR | Yes | Yes |
| SDK languages | Bash, Python, JavaScript, C#, PHP, Swift | Python |
| Structure extraction | — | Yes |
Both are listed in Best OCR API Software. On Specifiction, API4AI OCR scores higher on our published basis.