Mistral Medium 3.5.0 — OCR Benchmark Evidence | OpenOCR

Mistral Medium 3.5.0 — benchmark evidence

Quality: 55.38% ±8.16. Measured on 20 pages with 141 rule tests.

Hard-document score 55.4% · no blank-page penalty

Measured 2026-08-29 · olmocr-hard-20/v2

Category	Pass rate
Old scans	65.4%
Scanned math	15.9%
Tables	64.0%
Multi-column	76.2%

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
Reported no readable text:
```
“[illegible]”
```
Try 2
Reported no readable text:
```
“[illegible]”
```
Try 3
Reported no readable text:
```
“[illegible]”
```

Benchmark methodology

Mistral Medium 3.5.0 — benchmark evidence

Blank page test

Try 1

Try 2

Try 3