Qwen3 Embedding 4B vs multi-qa-mpnet-base-dot-v1: side-by-side summary

Qwen3 Embedding 4B and multi-qa-mpnet-base-dot-v1 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Qwen3 Embedding 4B, from Qwen, has a 32,768-token context window and is priced at $0.02/M tokens on OpenRouter.

multi-qa-mpnet-base-dot-v1, from sentence-transformers, has a 512-token context window and is priced at $0.005/M tokens on OpenRouter.

Context window

• Qwen3 Embedding 4B: 32,768 tokens
• multi-qa-mpnet-base-dot-v1: 512 tokens

Price

• Qwen3 Embedding 4B: $0.02/M tokens
• multi-qa-mpnet-base-dot-v1: $0.005/M tokens

Provided by

• Qwen3 Embedding 4B: Qwen
• multi-qa-mpnet-base-dot-v1: sentence-transformers

• Qwen3 Embedding 4B model details, providers and pricing
• multi-qa-mpnet-base-dot-v1 model details, providers and pricing