Project AURIONAI Use-Cases Research & Innovation
Baidu
OCR and document

Unlimited OCR

Baidu end-to-end document OCR vision-language model, from the paper "Unlimited OCR Works".

Overview of the Unlimited OCR pipeline from page input through the encoder and language model to text output, from the model card.
Levelmodel
ClassOCR and document
Parameters3.34B
Contextnot in the notes
Released22 Jun 2026
Opennessopen weights permissive
Runs onnot in the notes
Statusactive

R&D Topics

Identity

Developer
Baidu
Family
not in the notes
Released
22 Jun 2026 sourcesannouncement page
Weights published
19 Jun 2026
Record checked
12 Oct 2026
Where this comes from
Developer and dates from the research notes. Release date is the vendor's public announcement; weights date is when open weights were published.

Architecture and Size

Architecture
dense transformer
Total parameters
3.34B sources
Active parameters
–
Checkpoint parameters
–
Context length
not in the notes
Input
image, text
Output
text
Where this comes from
Parameter counts as the developer states them. Where the checkpoint holds a different total, both are shown (register A16).

Openness and Access

Openness
open weights permissive
Licence
MIT License sources
Access routes
open weights download, cloud marketplace
Where this comes from
The licence file governs over registry tags and aggregator labels.

Deployment

Runs on
not in the notes
Footprint
not in the notes
Runtimes
not in the notes
Where this comes from
Deployment tiers and runtimes as named in the notes. Footprint is the notes' figure, not a measurement by AURION.

Indonesia

Indonesian support
not stated
Regional languages
not in the notes
Jakarta hosting
unknown
Languages
not in the notes
Where this comes from
Indonesia fields are carried on every model; unknown is an allowed value.

Benchmark Results

The notes record no benchmark result for this model.

Lineage

The notes record no lineage for this model.

Industry Use Cases

No industry use case links this model.

Sources

  1. arxiv.org/abs/2606.23050 https://arxiv.org/abs/2606.23050
  2. huggingface.co/baidu/Unlimited-OCR https://huggingface.co/baidu/Unlimited-OCR
  3. jumpstart-cache-prod-us-west-2.s3.us-west-2.amazonaws.com/models_manifest.json https://jumpstart-cache-prod-us-west-2.s3.us-west-2.amazonaws.com/models_manifest.json
  4. huggingface.co/api/models?pipeline_tag=image-text-to-text&so... https://huggingface.co/api/models?pipeline_tag=image-text-to-text&sort=likes&limit=50

To cite this page: Project AURION, AI Use-Cases Research & Innovation, "Unlimited OCR", https://aurion.semai.id/models/baidu-unlimited-ocr/, records of October 2026.