olmOCR-Bench

Measures: 1,403 PDFs with 7,010 machine-checkable unit tests (text present or absent, reading order, table cells, math formulas) across arXiv math, old scans, tables, headers and footers, multi-column and tiny text; score = % of tests passed.

Maintainer: Allen Institute for AI (Ai2)
Introduced: 2025
Status: Active
Saturation: Headroom
Typical provenance: Mixed
In scoring set: Yes

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