Lyria 3 Clip Preview and Sonar Pro Search are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Lyria 3 Clip Preview, from Google, has a 1,048,576-token context window and is priced at $0.04/song 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.