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LlamaIndex Unveils ParseBench, Open-Source Benchmark For AI Document Parsing

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LlamaIndex 🦙@llama_index

We're presenting ParseBench at CVPR 2026 today. 🦙

Come learn why document understanding is an AGI-complete problem (an agent can't act on a doc it can't correctly read, and reading a real enterprise table is harder than it looks).

The first doc-parsing benchmark built for AI agents:

2,000+ human-verified pages 167K+ test rules 5 dimensions: tables, charts, faithfulness, formatting, grounding

Fully open source. 📍 Talk TODAY, June 4, 9–10 AM at CVPR. Come say hi 👇 🤗 http://huggingface.co/datasets/llamaindex/ParseBench 💻 http://github.com/run-llama/ParseBench 📄 http://arxiv.org/abs/2604.08538

6:21 AM · Jun 4, 2026 · 5.4K Views
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Jerry Liu@jerryjliu0

We're presenting ParseBench at CVPR 2026!

ParseBench is the most comprehensive document understanding benchmark for VLMs. ✅ It contains 2k pages of real-world enterprise documents ✅ It has comprehensive evaluation metrics around tables, charts, visual grounding, semantic formatting, and content faithfulness

The core goal is measuring whether models can semantically interpret a document in the right way, without having models overfit to our precise benchmark.

Parsing 100% of PDFs to 100% accuracy is the final boss for document OCR. In general, the latest frontier models have been tuned for coding, math, and scientific reasoning as opposed to precise visual understanding; hope more benchmarks that these will encourage overall progress towards solving this problem!

Poster is below. If you want to learn more come check out our site or 30-page ArXiv paper:

ParseBench: https://www.parsebench.ai/ ArXiv: https://arxiv.org/abs/2604.08538

LlamaIndex 🦙@llama_index

We're presenting ParseBench at CVPR 2026 today. 🦙

Come learn why document understanding is an AGI-complete problem (an agent can't act on a doc it can't correctly read, and reading a real enterprise table is harder than it looks).

The first doc-parsing benchmark built for AI agents:

2,000+ human-verified pages 167K+ test rules 5 dimensions: tables, charts, faithfulness, formatting, grounding

Fully open source. 📍 Talk TODAY, June 4, 9–10 AM at CVPR. Come say hi 👇 🤗 http://huggingface.co/datasets/llamaindex/ParseBench 💻 http://github.com/run-llama/ParseBench 📄 http://arxiv.org/abs/2604.08538

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