# nomic-ai/modernbert-embed-base

Model from Hugging Face for sentence similarity: nomic-ai/modernbert-embed-base · sentence transformers

Last checked 2026-10-27T15:37:39.260Z

## Facts

- Type: Embedding
- Task: sentence-similarity
- Framework: sentence-transformers
- License: apache-2.0 — Permissive open license: commercial use, modification, and redistribution are permitted. (https://spdx.org/licenses/Apache-2.0.html)
- Source: https://huggingface.co/nomic-ai/modernbert-embed-base
- Hosting: unknown (no download location recorded)
- Files: 18 listed, none hosted here
- 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: availability unknown
- Full repo upstream: 2.53 GB
- Download: none recorded
- Per-file SHA-256: not available (no files hosted on Hugging Bay)
- 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: 198299
- Stars: 234
- Card completeness: 93%

## Description

External Hugging Face catalog record for nomic-ai/modernbert-embed-base. Task: sentence similarity. Library: sentence transformers. Languages: en. Includes 12 model-card evaluation signals. Files we host have a published SHA-256.

## Model Card Facts

- Declared license: apache-2.0
- Pipeline: sentence-similarity
- Library: sentence-transformers
- Task categories: sentence-similarity
- Languages: en
- Paper ids: 2402.01613
- Model-index entries: binarize_False
- Evaluation signals: 12 model-card eval results
- File hints: 16 upstream file samples

## Evaluation Signals

- MTEB AmazonCounterfactualClassification (en): accuracy = 78.13432835820896 (Classification)
- MTEB AmazonCounterfactualClassification (en): ap = 42.190424731303246 (Classification)
- MTEB AmazonCounterfactualClassification (en): f1 = 72.34446401534811 (Classification)
- MTEB AmazonPolarityClassification: accuracy = 93.093825 (Classification)
- MTEB AmazonPolarityClassification: ap = 90.03727505544286 (Classification)
- MTEB AmazonPolarityClassification: f1 = 93.0874055138833 (Classification)
- MTEB AmazonReviewsClassification (en): accuracy = 48.428000000000004 (Classification)
- MTEB AmazonReviewsClassification (en): f1 = 47.74311520203536 (Classification)
- MTEB ArguAna: map_at_1 = 23.898 (Retrieval)
- MTEB ArguAna: map_at_10 = 39.775 (Retrieval)

## Referenced Data

- Paper: 2402.01613

## File Hints

- .gitattributes
- 1_Pooling/config.json
- README.md
- config.json
- config_sentence_transformers.json
- model.safetensors
- modernbertembed.png
- modules.json
- onnx/model.onnx
- onnx/model_bnb4.onnx
- onnx/model_fp16.onnx
- onnx/model_int8.onnx

## Quality Checklist

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

## Safety Notes

- External catalog metadata imported from Hugging Face public API on 2026-08-27T20:30:52.612Z.
- Open license detected as apache-2.0.
- Model-index metadata found for binarize_False.
- Not locally hosted, mirrored, signed, or rescanned by Hugging Bay.
- 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-nomic-ai-modernbert-embed-base
- Files API: https://huggingbay.xyz/api/artifacts/hf-model-nomic-ai-modernbert-embed-base/files?limit=100
- Metadata: https://huggingbay.xyz/api/artifacts/hf-model-nomic-ai-modernbert-embed-base/metadata.json
- Distribution: https://huggingbay.xyz/api/artifacts/hf-model-nomic-ai-modernbert-embed-base/distribution
- Manifest: not available until files are hosted and release checks pass.
- Request mirror: POST https://huggingbay.xyz/api/artifacts/hf-model-nomic-ai-modernbert-embed-base/mirror-request
- Submit peer fallback for review: POST https://huggingbay.xyz/api/artifacts/hf-model-nomic-ai-modernbert-embed-base/decentralized-fallbacks