LLMJul 15, 2026, 9:02 PM

Soofi Consortium Releases Soofi S 30B-A3B: An Open Hybrid Mamba-Transformer MoE Foundation Model For German And English

30-second summary

The Soofi Consortium has released Soofi S 30B-A3B, an open-source foundation model combining Mamba and Transformer architectures. It supports German and English, activating 3.2 billion of its 31.6 billion parameters.

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Soofi Consortium Releases Soofi S 30B-A3B: An Open Hybrid Mamba-Transformer MoE Foundation Model For German And English
Key takeaways
  • Soofi S 30B-A3B is an open-source hybrid Mamba-Transformer MoE foundation model.
  • The model supports German and English languages.
  • It features a sparse activation mechanism, using 3.2B of 31.6B parameters.
Full story

The Soofi Consortium has introduced Soofi S 30B-A3B, a novel open-source foundation model that merges the strengths of Mamba and Transformer architectures. This hybrid approach aims to leverage the efficiency of Mamba with the established capabilities of Transformers.

The model is designed to support both German and English languages. Notably, it employs a Mixture of Experts (MoE) design, activating only a fraction of its total parameters for any given task. Specifically, it activates 3.2 billion out of its 31.6 billion total parameters, making it a sparse model.

This release contributes to the growing landscape of open-source large language models, offering a new option for researchers and developers working with multilingual capabilities, particularly for German and English.

Why this matters
Developers

Provides a new open-source multilingual model option.

Businesses

Offers potential for cost-effective German and English language AI applications.

Investors

Indicates continued innovation in open-source LLM architectures.

Students

A new resource for studying hybrid and sparse model designs.

Everyone

Expands the availability of specialized open-source AI models.

Glossary
Mamba
A deep learning architecture known for its efficiency in processing long sequences, often compared to Transformers.
Transformer
A dominant deep learning architecture in NLP, known for its attention mechanism.
MoE
Mixture of Experts, a type of neural network architecture that uses multiple 'expert' sub-networks, activating only a subset for each input.
Sources · 1
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