Qwen3 Embedding 4B and GTE-Base 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.
GTE-Base, from thenlper, has a 512-token context window and is priced at $0.005/M tokens on OpenRouter.