Mistral Embed 2312 and Sonar Pro Search 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.
Sonar Pro Search, from Perplexity, has a 200,000-token context window and is priced at $3/M tokens input, $15/M tokens output on OpenRouter.