A side-by-side comparison of release history, capabilities, licensing and model sizes.
| Attribute |
 OpenAssistant
|
 Orca
|
|---|---|---|
| Developer | LAION | Microsoft |
| Current generation | – | – |
| Initial release | 2023-04-15 | 2023-06-05 |
| Instruct tuned | Yes | Yes |
| Coding | No | No |
| Finetuning | Yes | Yes |
| Open source | Yes | Yes |
| License | Varies | Noncommercial |
| Model sizes | 6.7B, 6.9B, 7B, 12B, 30B | 13B |
| Links |
OpenAssistant is a project organized by LAION with aim of providing an open source alternative to ChatGPT. Its primary effort is to collected instruct examples to then tune existing LLMs. The first major release is available as part of Hugging Face's HuggingChat.
Orca is a descendant of LLaMA developed by Microsoft with finetuning on explanation traces obtained from GPT-4.
Orca-13B is a LLM developed by Microsoft. It is based on LLaMA with finetuning on complex explanation traces obtained from GPT-4. By using rich signals, Orca surpasses the performance of models such as Vicuna-13B on complex tasks. However, given its model backbone and the data used for its finetuning, Orca is under noncommercial use.
