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sciembed-ctx-2048
anon-nlp/sciembed-ctx-2048
sciembed-ctx-2048 is a feature extraction model from anon-nlp. Use it when you need embeddings to search or compare text. It is set up for sentence-transformers. The card lists the license as mit.
Intermediate long-context variant (maxseqlength=2048). Point on the 512→2K→8K context-length scan.
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At a glance
- Task
- Feature Extraction
- Library
- sentence-transformers
- License
- mit
- Model type
- modernbert
- Access
- Public
- Created
- Jun 8, 2026
- Updated
- Jun 8, 2026
- SHA
- 963633ef
Base models
Model card
From the Hugging Face model README
SciEmbed-CTX-2048
Intermediate long-context variant (max_seq_length=2048). Point on the 512→2K→8K context-length scan.
A 149M-parameter ModernBERT-base scientific document embedder trained with citation-context sentences as the primary contrastive signal. Part of the SciEmbed release (paper under double-blind review; author info omitted).
Usage
from sentence_transformers import SentenceTransformer
model = SentenceTransformer("anon-nlp/sciembed-ctx-2048")
emb = model.encode(["citation-context supervision for scientific embeddings"],
normalize_embeddings=True)
- Context length: 2048 tokens
- Pooling: mean · Output dim: 768 (Matryoshka-truncatable to 512/256/128)
- License: MIT
Citation
See the repository README. Paper: SciEmbed: Citation-Context Supervision for Scientific Document Embeddings (under review).
- Task
- Feature Extraction
- Library
- sentence-transformers
- Type
- modernbert
- License
- mit
- Languages
- en
- Created
- Jun 8, 2026
- Updated
- Jun 8, 2026