# nomic-ai/nomic-embed-text-v1.5

This model is a text embedding model that uses task instruction prefixes for documents, questions, clustering, and classification. It supports sequence lengths past 2048 tokens, and the card describes Matryoshka Representation Learning for adjusting embedding dimension.

## Cite this

- Page: https://huggingbay.xyz/artifact/hf-model-nomic-ai-nomic-embed-text-v1-5
- Citation: nomic-ai/nomic-embed-text-v1.5. The Hugging Bay model record. https://huggingbay.xyz/artifact/hf-model-nomic-ai-nomic-embed-text-v1-5 (retrieved 2026-11-14).
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## 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/nomic-embed-text-v1.5
- Hosting: hosted (12 files)
- Files: 12 hosted of 20 listed
- Needs its own code to run: Tagged custom_code on its source page. Plain llama.cpp, Ollama and LM Studio commands are not offered for this model unless a GGUF file is 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: 12 hosted of 20 listed
- Full repo upstream: 2.22 GB
- Recommended file: 546.9 MB · model.safetensors
- Download: https://huggingbay.xyz/api/artifacts/hf-model-nomic-ai-nomic-embed-text-v1-5/download-plan (download plan: https://huggingbay.xyz/api/artifacts/hf-model-nomic-ai-nomic-embed-text-v1-5/download-plan)
- Per-file SHA-256: available for 12 of 12 hosted files via https://huggingbay.xyz/api/artifacts/hf-model-nomic-ai-nomic-embed-text-v1-5/files?limit=100
- Availability: Ready
- Downloadable: yes
- 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: 17766485
- Stars: 994
- Card completeness: 93%

## Description

This model is a text embedding model that uses task instruction prefixes for documents, questions, clustering, and classification. It supports sequence lengths past 2048 tokens, and the card describes Matryoshka Representation Learning for adjusting embedding dimension.

## Model Card Facts

- Declared license: apache-2.0
- Pipeline: sentence-similarity
- Library: sentence-transformers
- Task categories: sentence-similarity
- Languages: en
- Paper ids: 2402.01613, 2205.13147
- Model-index entries: epoch_0_model
- Evaluation signals: 12 model-card eval results
- File hints: 16 upstream file samples

## Evaluation Signals

- MTEB AmazonCounterfactualClassification (en): accuracy = 75.20895522388058 (Classification)
- MTEB AmazonCounterfactualClassification (en): ap = 38.57605549557802 (Classification)
- MTEB AmazonCounterfactualClassification (en): f1 = 69.35586565857854 (Classification)
- MTEB AmazonPolarityClassification: accuracy = 91.8144 (Classification)
- MTEB AmazonPolarityClassification: ap = 88.65222882032363 (Classification)
- MTEB AmazonPolarityClassification: f1 = 91.80426301643274 (Classification)
- MTEB AmazonReviewsClassification (en): accuracy = 47.162000000000006 (Classification)
- MTEB AmazonReviewsClassification (en): f1 = 46.59329642263158 (Classification)
- MTEB ArguAna: map_at_1 = 24.253 (Retrieval)
- MTEB ArguAna: map_at_10 = 38.962 (Retrieval)

## Referenced Data

- Paper: 2402.01613
- Paper: 2205.13147

## File Hints

- .gitattributes
- 1_Pooling/config.json
- README.md
- config.json
- config_sentence_transformers.json
- model.safetensors
- modules.json
- onnx/model.onnx
- onnx/model_bnb4.onnx
- onnx/model_fp16.onnx
- onnx/model_int8.onnx
- onnx/model_q4.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: passed

## Safety Notes

- External catalog metadata imported from Hugging Face public API on 2026-07-12T22:26:07.461Z.
- Open license detected as apache-2.0.
- Model-index metadata found for epoch_0_model.
- 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-nomic-embed-text-v1-5
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- Distribution: https://huggingbay.xyz/api/artifacts/hf-model-nomic-ai-nomic-embed-text-v1-5/distribution
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- Download plan (per-file SHA-256 + signed download URLs): https://huggingbay.xyz/api/artifacts/hf-model-nomic-ai-nomic-embed-text-v1-5/download-plan
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- Request mirror: not applicable.
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