Mistral OCR 4.1 — OCR Benchmark Evidence | OpenOCR

Mistral OCR 4.1 — benchmark evidence

Quality: 84.03% ±6.30. Measured on 20 pages with 141 rule tests.

Hard-document score 84.0% · no blank-page penalty

Measured 2026-10-01 · olmocr-hard-20/v2

Category	Pass rate
Old scans	69.2%
Scanned math	79.7%
Tables	92.0%
Multi-column	95.2%

The hard-document score is the mean of the four category pass rates. This model has no published clean-document run yet; clean-document scores and latency are not reported. This page summarizes the hard-corpus measurement; per-page hard-corpus transcripts are not displayed here.

Scorer: olmocr-bench-harness/2026-07 + openocr four-category mean (in-repo v3)

Blank page test

Blank page score: 100/100
Penalty applied: 0.0 points

Try 1
Returned no text
Try 2
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Try 3
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Benchmark methodology

Mistral OCR 4.1 — benchmark evidence

Blank page test

Try 1

Try 2

Try 3