Pyyan / Compare / olmOCR vs GLM-OCR
olmOCR vs GLM-OCR
2 of 5OCR & Document AI · verified 13 Aug 2026
olmOCRAllen Institute for AIcurrent
GLM-OCRZhipu AIcurrent| Specification | olmOCR | GLM-OCR |
|---|---|---|
| Summary | Fully open pipeline, weights and data. | Currently the top scorer on document parsing. |
| OmniDocBench | ~91 | 94.6 |
| Open weights | Yes | Yes |
| Handles | Tables, markdown structure | Tables, formulas, handwriting |
| Licence | Apache 2.0 | Open weights |
| Kind | Vision language model | Vision language model |
| Category | OCR & Document AI | OCR & Document AI |
| Official | Allen Institute for AI ↗ | Zhipu AI ↗ |
Highlighted rows are where these differ.
olmOCR
- Preserves reading order and markdown structure
- Training data published, which is rare
Best for reproducible research pipelines.
GLM-OCR
- Ahead of Gemini 3 Pro and GPT-5.2 on the same benchmark
- 94.0 on OCRBench
Best for complex documents end to end.