| Price from | $9/mo | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| Linux | Yes | Yes |
| API | — | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 6 | 1 |
| Spec score · AI chatbots and assistants | 9.0 (#11) | 7.7 (#52) |
| Free plan | Yes | Yes |
| product | Big-AGI is a local-first, multi-model AI workspace for comparing outputs, refining thinking, and making decisions. | OpenThena is an open-source AI assistant with a streaming chat experience. |
| self-hosting | Big-AGI is open source under the MIT License, and self-hosting gives the operator zero-access control over the data. | OpenThena is a Next.js app that can run anywhere Node runs. |
