Mistral Embed 2312 and GTE-Large are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Mistral Embed 2312, from Mistral AI, has a 8,192-token context window and is priced at $0.10/M tokens on OpenRouter.
GTE-Large, from thenlper, has a 512-token context window and is priced at $0.01/M tokens on OpenRouter.