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Intfloat · Embedding model

E5-Base-v2

intfloat/e5-base-v2
  • Embedding
Released Nov 18, 2025

The e5-base-v2 embedding model encodes English sentences and paragraphs into a 768-dimensional dense vector space, producing efficient and high-quality semantic embeddings optimized for tasks such as semantic search, similarity scoring,...

Specifications

Input
text
Output
vector per input (float array; base64 on request)
Batch
up to 512 inputs per call
Billing
per input token

Use it

POST /api/v1/embeddings · MCP embed · full reference

curl https://omnirail.org/api/v1/embeddings \
  -H "Authorization: Bearer $OMNIRAIL_KEY" -H "Content-Type: application/json" \
  -d '{"model":"intfloat/e5-base-v2","input":["brass lever espresso machine","coffee grinder"]}'