OCR models / ByteDance

Dolphin 1.5

ByteDance · released 2025-10-17 · data checked 2026-11-06

Dolphin 1.5 is a 400M-parameter OCR and document-parsing model from ByteDance (CN), released 2025-10-17 under the MIT license. It scores 86.52 on OmniDocBench v1.6 (#32 of 33). It needs about 1.8 GB of memory at 16-bit.

OmniDocBench v1.6

86.52

#32 of 33 models

olmOCR-Bench

—

Not reported

Parameters

400M

OCR specialist

Memory to run

~1.8 GB

16-bit weights plus about 1 GB

Benchmarks

OmniDocBench v1.6 Leaderboard86.52

Best: OXR 1.0 97.03

The tick marks the best score on each benchmark. See how to read the ranking.

Specifications

Lab: ByteDance (CN)
Type: OCR / document parsing specialist
Total parameters: 400M
License: MIT
Memory to run: ~1.8 GB at 16-bit
Released: 2025-10-17

Weights and usage on Hugging Face ↗

Closest alternatives

MiniCPM-V 4.6 (1.3B, 86.93 on OmniDocBench, Apache-2.0)
MiniCPM-V 4.7 1B (1.6B, 85.39 on OmniDocBench, Apache-2.0)
MonkeyOCR-pro 3B (3.8B, 88.57 on OmniDocBench, Non-commercial)
OCRVerse (4.8B, 88.60 on OmniDocBench, Not stated)

Sources

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