ESM-2
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ESM-2 code and weights licenses
Code
- Commercial use
- Yes
- Derivatives
- Yes
- Redistribution
- Yes
raw.githubusercontent.com ·
MIT License
https://raw.githubusercontent.com/facebookresearch/esm/main/LICENSE · Repository license file · checked 2026-11-13
Weights
- Commercial use
- Yes
- Derivatives
- Yes
- Redistribution
- Yes
huggingface.co ·
License: mit
https://huggingface.co/facebook/esm2_t33_650M_UR50D · Dataset page · checked 2026-11-13
Commercial use of ESM-2
- Code
- Yes · Permissive
- Weights
- Yes · Permissive
The code license and the weights license stand apart; a verdict on one does not carry over to the other. Quoted statements and their sources are in the license section above.
Verdicts record what sources state and are not legal advice.
Training data
- UR50 (sample UR90) The repository page lists ESM-2 checkpoints esm2_t36_3B_UR50D and esm2_t48_15B_UR50D together with the entry UR50 (sample UR90).
github.com ·
ESM-2 esm2_t36_3B_UR50D() esm2_t48_15B_UR50D() UR50 (sample UR90)
https://github.com/facebookresearch/esm · README · checked 2026-11-13
Running ESM-2
- Weights downloadhuggingface.co
ESM-2 versions
- ESM-2: code MIT, weights MIT
raw.githubusercontent.com ·
- August 2022: ESM-2 - new SOTA Language Models released (see [Lin et al. 2022](https://www.science.org/doi/abs/10.1126/science.ade2574))
https://raw.githubusercontent.com/facebookresearch/esm/HEAD/README.md · README · checked 2026-11-13
ESM-2 official download addresses
- Repository or releasehttps://github.com/facebookresearch/esm
- Weights pagehttps://huggingface.co/facebook/esm2_t33_650M_UR50D
- License filehttps://raw.githubusercontent.com/facebookresearch/esm/main/LICENSE
No sourced statement yet
Limits on outputs · Overlap with benchmarks · Known defects and misuse