Stable Beluga 1 is a Llama 65B model fine-tuned on an Orca-style dataset; its page provides delta weights.
Dataset
Stable Beluga 2
Stable Beluga 2 uses a Llama 2 70B model fine-tuned on an Orca-style dataset and offers a research preview chat.
About Stable Beluga 2
Stable Beluga 2 is a language model developed by Stability AI. It is a Llama 2 70B model fine-tuned on an Orca-style dataset, and its homepage describes it as an auto-regressive model for English text generation. It is loaded and run with Hugging Face Transformers.
The homepage links to Stable Chat, a research preview where the model can be tested for free. It also includes a Python example that loads the model and generates text, along with a recommended prompt format built from system, user, and assistant sections. The example code is written for a CUDA GPU. The fine-tuned checkpoints are licensed under the Stable Beluga Non-Commercial Community License Agreement, which limits use to non-commercial purposes.
Key features
- Llama 2 70B base model fine-tuned on an Orca-style dataset
- Stable Chat research preview for testing the model for free
- Python example using Hugging Face Transformers to load and generate text
- Recommended system, user, and assistant prompt format
- English-language text generation
- Tagged training datasets include CoT, FLAN 2021, T0, and NIV2 submixes
Best for: Developers and researchers who want to test a large English text-generation model under a non-commercial license.
Good for
- Can be tested for free through the Stable Chat research preview
- Homepage includes a usage example and a recommended prompt format
- Model details and related research papers are listed on the homepage
Watch out for
- Fine-tuned checkpoints are licensed for non-commercial use only
- Chat access is described as a research preview
- The example code is written for a CUDA GPU
Stable Beluga 2 at a glance
- Official website
- huggingface.co/stabilityai/StableBeluga2
- Category
- AI & Machine Learning › Models & ML Research
- Type
- Dataset
- Platforms
- Web
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Stable Beluga 2 FAQ
Can Stable Beluga 2 be used commercially?
The fine-tuned checkpoints are licensed under the Stable Beluga Non-Commercial Community License Agreement, so the license does not permit commercial use. Review the full license text before use.
What language does the model support?
The homepage lists English as the model's language.
What prompt format should be used?
The homepage recommends a format with a ### System section, followed by a ### User section containing the prompt and a ### Assistant section for the output.
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