Papers with Visual unit tests
The olmOCR Project: Building Fully Open OCR using VLMs (2026.acl-demo)
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| Challenge: | olmOCR is a fully open OCR system developed through iterative public releases and community feedback. |
| Approach: | They propose an open OCR system that combines a 7B vision-language model trained in two stages: finetuning and reinforcement learning with visual unit tests. |
| Outcome: | The proposed system achieves state-of-the-art performance among open systems and proprietary APIs at a fraction of the cost. |