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Qwen · Embedding model

Qwen3 Embedding 4B

qwen/qwen3-embedding-4b
  • Embedding
Released Oct 28, 2025

The Qwen3 Embedding model series is the latest proprietary model of the Qwen family, specifically designed for text embedding and ranking tasks. This series inherits the exceptional multilingual capabilities, long-text...

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":"qwen/qwen3-embedding-4b","input":["brass lever espresso machine","coffee grinder"]}'