Eurus

by OpenBMB

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An overview of AI model types

25 February 2025

About the model:

Reasoning MoE model.

Model type:

Text

Model performance class:

Limited

Link to the model:

https://huggingface.co/openbmb/Eurux-8x22b-nca

Base models:

Mixtral-8x22B-v0.1

End model:

Eurux-8x22B-NCA

End model license:

Apache-2.0

About the organisation:

OpenBMB (Open Lab for Big Model Base), founded by TsinghuaNLP & ModelBest Inc (面壁智能), aims to build foundation models and systems towards AGI.

Link to the organisation:

https://www.openbmb.cn/

Model release date:

April 2024

Availability

Base Model Data

Mistral has not disclosed anything about its training data.

https://huggingface.co/mistralai/Mistral-7B-v0.1/discussions/8

End User Model Data

Data mixture used is laid out consisely and clearly in source paper.

https://arxiv.org/abs/2404.02078

Base Model Weights

Weights available through HuggingFace.

https://huggingface.co/mistralai/Mixtral-8x22B-v0.1

End User Model Weights

Weights published on HuggingFace.

https://huggingface.co/openbmb/Eurus-70b-nca/tree/main

Training Code

No training code provided.

Documentation

Code Documentation

Only evaluation code found in the repositories, which is documented to a small extent.

https://github.com/OpenBMB/Eurus/tree/main

Hardware Architecture

Architecture described in detail in the paper.

https://arxiv.org/abs/2404.02078

Preprint

Preprint published on ArXiV

https://arxiv.org/abs/2404.02078

Paper

Model presented as poster on ICML 2024.

https://icml.cc/virtual/2024/38051

Modelcard

Model card provides a decent overview of the model.

https://huggingface.co/openbmb/Eurus-70b-nca

Datasheet

Some data sheets are provided, however no data sheet for the combined mixtures. Some linked sheets lead to 404 pages. No datasheet available for base model.

https://huggingface.co/datasets/openbmb/UltraFeedback https://huggingface.co/datasets/openbmb/UltraInteract_sft

Access

Licenses

Apache 2.0

https://huggingface.co/openbmb/Eurus-70b-nca/tree/main

Last updated 13 March 2026

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