# facebook/esm-1b

Model from Hugging Face for fill mask: facebook/esm-1b · transformers

## Facts

- Type: LLM
- Task: fill-mask
- Framework: transformers
- License: unknown
- Source: unknown
- Hosting: hosted (5 files)
- Files: 5 hosted of 8 listed
- File counts: "listed" is every file in the source repository; only hosted files download from Hugging Bay, and the download plan lists the files it selects for one download, so its count can differ.
- Hosted here: 5 files, 2.61 GB
- Full repo upstream: 5.22 GB
- Recommended file: 2.61 GB · model.safetensors
- Parameters: 1B
- Download: https://huggingbay.xyz/artifact/hf-model-facebook-esm-1b/files (download plan: https://huggingbay.xyz/api/artifacts/hf-model-facebook-esm-1b/download-plan)
- Per-file SHA-256: available for 5 of 5 hosted files via https://huggingbay.xyz/api/artifacts/hf-model-facebook-esm-1b/files?limit=100
- Run-ready: no (Hugging Bay has not certified a run path for this model; hosted bytes are downloadable and hash-checkable only)
- Peer-assisted fallbacks: 0 verified, 0 pending review
- Downloads: 9621
- Stars: 17
- Card completeness: 89%

## Description

External Hugging Face catalog record for facebook/esm-1b. Task: fill mask. Library: transformers. Popularity signal at import: 9,621 downloads and 17 likes.

## Model Card Facts

- Declared license: unknown
- Pipeline: fill-mask
- Library: transformers
- Task categories: fill-mask
- File hints: 8 upstream file samples

## File Hints

- .gitattributes (1.3 KB)
- README.md (292 B)
- config.json (664 B)
- model.safetensors (2.4 GB) LFS
- pytorch_model.bin (2.4 GB) LFS
- special_tokens_map.json (112 B)
- tokenizer_config.json (35 B)
- vocab.txt (94 B)

## Quality Checklist

- Summary: passed
- Description: passed
- Model card metadata: passed
- License: review
- Provenance: missing
- File inventory: passed
- Hosted bytes: passed
- Scan result: passed
- Manifest signature: passed

## Safety Notes

- External catalog metadata imported from Hugging Face public API on 2026-09-18T20:06:19.379Z.
- Upstream license: unknown. Mirror admission policy: permissive (owner policy; no license rights inferred).
- Not a run kit: hosted, hash-checked bytes only; run readiness is not certified for this model yet.

## Actions

- Web: https://huggingbay.xyz/artifact/hf-model-facebook-esm-1b
- Files API: https://huggingbay.xyz/api/artifacts/hf-model-facebook-esm-1b/files?limit=100
- Metadata: https://huggingbay.xyz/api/artifacts/hf-model-facebook-esm-1b/metadata.json
- Distribution: https://huggingbay.xyz/api/artifacts/hf-model-facebook-esm-1b/distribution
- Manifest: https://huggingbay.xyz/api/manifests/hf-model-facebook-esm-1b
- Download plan (per-file SHA-256 + signed download URLs): https://huggingbay.xyz/api/artifacts/hf-model-facebook-esm-1b/download-plan
- Hosted download rows: https://huggingbay.xyz/api/downloadable-files?artifactId=hf-model-facebook-esm-1b&limit=100
- Request mirror: not applicable.
- Submit peer fallback for review: POST https://huggingbay.xyz/api/artifacts/hf-model-facebook-esm-1b/decentralized-fallbacks