esm-1b safetensors download (2.61 GB) | Hugging Bay

Q: What is this model?

facebook/esm-1b is an open-weights language model for masked-language modeling published by facebook, added to Hugging Bay Sep 18, 2026. Model from Hugging Face for fill mask: facebook/esm-1b · transformers

Q: Can I use it commercially?

License: unknown. Check the upstream license text or ask the model author before commercial use.

Q: How big is it?

facebook/esm-1b has 1B parameters. Hosted here: 5 files, 2.61 GB. Full repo upstream: 5.22 GB. The recommended download, model.safetensors, is 2.61 GB.

Q: What can I download here?

Hosted here: 5 files, 2.61 GB. Full repo upstream: 5.22 GB.

Q: File pattern scans

Automated file-pattern scans flagged nothing; not a safety guarantee. 5 hosted files carry a published SHA-256 you can re-hash. The machine-readable verdict is at /api/artifacts/hf-model-facebook-esm-1b/safety on Hugging Bay.

Q: Will facebook/esm-1b run on my computer?

We can’t check the fit; we don’t know your machine. We don’t have your machine’s specs, so no check ran and no verdict is shown. Answer two quick questions and we’ll estimate, from the memory you tell us, whether it fits your machine. Or skip it; you can still download; fit isn’t checked.

facebook

esm-1b

facebook/esm-1b

Model details

masked-language modelingLicense: unknownSHA-256 recorded for 6 of 8 filessafetensors · BIN

Content controls: not assessed.

Listed for predicting masked text; for developers working with masked language models. Catalog sources: task, cardMetadata.pipelineTag.

View as JSON →

Your next step

Use it from code

This Python snippet downloads the selected file. Running the model needs its own library and setup.

from urllib.request import urlretrieve

urlretrieve(
    "https://huggingbay.xyz/api/downloads/hf-model-facebook-esm-1b/model.safetensors",
    "model.safetensors",
)

Other ways

Run it on your computerOpen in Hugging Bay appSend to a computerApp links support one GGUF file.

5 hosted of 8 listed · Hashes recorded. Date not recorded.

Selected downloadmodel.safetensors2.61 GB · 1 file Download · 2.61 GB (1 file)

Open-file help

Content controls: not assessed.

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Compare your file’s SHA-256 with the recorded hash.

Machine-readable artifact endpoints

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esm-1b

Machine-readable artifact endpoints

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