EmbeddingOpen weights
Sentence-BERT
UKP Lab
Updated May 21, 2026 · Benchmarks via Artificial Analysis, specs & pricing via OpenRouter · Methodology · Report an error
Specifications
- Type
- Embedding
- Access
- Open weights
- Released
- August 27, 2019
- Input
- Text
Our take
Adapted BERT to produce meaningful sentence embeddings efficiently, making semantic search and clustering practical and seeding today’s text-embedding ecosystem.