Open source · 28 October 2026
Available nowBaidu open-sources Unlimited OCR 2, a 3B model handling hundred‑page docs in one request
Unlimited OCR 2 is an MIT‑licensed 3 B OCR model that parses hundred‑page documents in a single request, using SR‑SWA attention to keep per‑step decoding cost nearly flat and scoring 77.1 on MarathonDocBench.
Benchmarks are the company's own; not independently verified.
Why it matters
Unlimited OCR 2 processes hundred‑page docs in one request; plan large‑document OCR features but benchmark the 77.1 score for quality.
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