Choose the right Azure AI tool for document processing - Foundry Tools
| Capabilities | Document Intelligence | Content Understanding | Build Your Own with AOAI |
|---|---|---|---|
| OCR | Industry leading OCR | Industry leading OCR | Requires preprocessing |
| Complex document structure | Layout with tables, sections, selection marks, figures, and more | Enhanced layout with multi-page tables, sections, selection marks, figures, and more | Requires preprocessing |
| Extract fields | Yes | Yes | Yes |
| Confidence scores | Yes | Yes | No, requires extra implementation |
| Source grounding | Yes | Yes | No, requires extra implementation |
| Inferred fields | No | Yes, with generative and classify fields | Yes |
| Generate metadata | No | Yes | Yes |
| Post-processing | Limited | Custom with limitations | User defined process |
| Process large files | Yes | Yes | Requires chunking and other strategies to get optimal performance |
| Ease of use | Requires labeling and training to build a custom model, can directly use layout and prebuilt models | Simple schema definition without any labeling required to get started. Label to improve. | Optimize results with prompt engineering |
| Scale for use | Managed | Managed with connected Gen AI deployment | Manually scale components as needed |
| Latency | Low | Medium | Depends on PTUs deployed |
| Multi-file inputs | No | Yes, support in Pro Mode (preview) | No |
| Knowledge base | No | Yes (preview) | Complex and requires engineering |
| Reasoning | No | Yes, support in Pro Mode (preview) | Complex and requires engineering |
In short, Document Intelligence is the old version, possibly it will be deprecated in the future. For developing new solution, you could consider Content Understanding or Build Your Own with AOAI.
Content Understanding - High-quality OCR with LLM assistance.
Build Your Own with AOAI - Highly customisable model with considerable flexibility.
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