Sonar Pro Search and paraphrase-MiniLM-L6-v2 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
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.
paraphrase-MiniLM-L6-v2, from sentence-transformers, has a 512-token context window and is priced at $0.005/M tokens on OpenRouter.