olmOCR-Bench.

7,010 unit tests across 1,402 PDF documents. Tests parsing of tables, math, multi-column layouts, old scans, and more.

Best published scores.

74 results indexed across 10 metrics. Shaded row marks current SOTA; ties broken by submission date.

Primary

pass-rate · higher is better

All metrics

accuracy, arxiv, base, headers-footers, long-tiny-text, multi-column, old-scans, old-scans-math, pass-rate, tables

4 steps
of state of the art.

Each row below marks a model that broke the previous record on pass-rate. Intermediate submissions are kept in the leaderboard above; only SOTA-setting entries are re-listed here.

Higher scores win. Each subsequent entry improved upon the previous best.

1. Jun 5, 2025MonkeyOCR-pro-3B75.80
2. Dec 16, 2025Chandra v0.1.0datalab-to83.10
3. Jan 20, 2026LightOnOCR-2-1BLightOn83.20
4. Mar 19, 2026dots.mocrRedNote83.90

14 papers
tied to this benchmark.

Every paper below corresponds to at least one row in the leaderboard above. Click through for the arXiv preprint and, when available, the reference implementation.

Neighbouring benchmarks.

Other Document Parsing datasets on Codesota.

Have a score that beats
this table?

Submit a checkpoint and a reproduction script. We will run it, publish the score, and — if it takes the top — annotate the step on the progress chart with your name.

• 01A public checkpoint or API endpoint
• 02A reproduction script with frozen commit + seed
• 03Declared evaluation environment (Python, deps)
• 04One row per metric declared by this dataset
• 05A contact so we can follow up on discrepancies