---
id: "sentence-transformers/all-mpnet-base-v2"
also: ["sentence-transformers/all-mpnet-base-v2-20251117", "sentence-transformers/all-mpnet-base-v2"]
cheapest_list_usd_per_m: "0.005 in, 0.0 out, at deepinfra on openrouter"
cheapest_effective_usd_per_m: "0.005 in, 0.0 out, at deepinfra/us on openrouter"
context: 512
max_output: 460
input: ["text"]
output: ["embeddings"]
released: "2025-11-17"
api: ["/api/v1/embeddings"]
endpoints: 2
gateways: "openrouter (2)"
no_training: 1
trains: 0
retains_prompts: 0
---
# Sentence Transformers: all-mpnet-base-v2

The all-mpnet-base-v2 embedding model encodes sentences and short paragraphs into a 768-dimensional dense vector space, providing high-fidelity semantic embeddings well suited for tasks like information retrieval, clustering, similarity scoring, and...