XBai-04

by Yuan Shi Technology

About the model:

Open-source reasoning model with claims of surpassing OpenAI-o3-mini and Claude Opus 4.

Model type:

Text

Model performance class:

Latest

Link to the model:

https://huggingface.co/MetaStoneTec/XBai-o4

Base models:

Qwen3-32B

End model:

XBai-o4

End model license:

Apache-2.0

About the organisation:

Yuan Shi Technology, a Beijing-based company.

Link to the organisation:

https://www.wenxiaobai.com/

Model release date:

August 2025

Availability

Base Model Data

Pretraining data not specified or documented.

End User Model Data

Data presumably similar to that mentioned in source paper. Therein described on a high level.

https://arxiv.org/pdf/2507.01951

Base Model Weights

Base model weights made available on HuggingFace.

https://huggingface.co/Qwen/Qwen3-32B

End User Model Weights

End model weights made available on HuggingFace.

https://huggingface.co/MetaStoneTec/XBai-o4

Training Code

Training code made available on GitHub.

https://github.com/MetaStone-AI/XBai-o4/

Documentation

Code Documentation

Repository sparsely documented.

https://github.com/MetaStone-AI/XBai-o4/

Hardware Architecture

No description of hardware architecture found.

Preprint

Preprint published on arXiv.

https://arxiv.org/pdf/2507.01951

Paper

Paper submitted for ACL 2025.

https://openreview.net/forum?id=3c6FeVrfK9

Modelcard

Model card primarily contains usage instructions.

https://huggingface.co/MetaStoneTec/XBai-o4

Datasheet

No datasheet found.

Access

Licenses

Model released under Apache-2.0, an OSI-approved license.

https://huggingface.co/MetaStoneTec/XBai-o4

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