OpenRouter
OpenOCR published reproducible OCR benchmark results for Mistral's Ministral 3 3B 2512, scoring an average of 97.7% character-LCS similarity across an 11-document corpus (measured 2026-08-22). Individual document results include perfect 100.0% scores on a grocery receipt, a handwritten letter, and handwritten notes, wi Testing was conducted via the OpenRouter-hosted endpoint (openrouter-mistralai-ministral-3b-2512), with an average latency of approximately 1.8 seconds per document. The benchmark corpus, ground truth, and scorer are public, and results are recomputed at page render time using a verifiable corpus manifest, lending the
