Here are the different licenses that govern access to the ESM codebase and the models inclusive of weights:
| License | Component |
|---|---|
| Cambrian Open License Agreement | Code on GitHub (excluding model weights) |
| Cambrian Open License Agreement | ESM C 300M (incl weights) |
| Cambrian Non-Commercial License Agreement | ESM-3 Open Model (incl weights) |
| Cambrian Non-Commercial License Agreement | ESM C 600M (incl weights) |
| Governed by API Agreements (See Below) | API access to all models, including API-only models (ESM3 family, ESM C 6B) |
| Forge API Terms of Use | Free non-commercial API access via Forge to all models including API-only models (ESM3 family, ESM C 6B) |
| Cambrian Inference Clickthrough License Agreement | Commercial Inference via SageMaker for all ESM C models |