Compare S2 Pro from fish-audio and Qwen-Audio-3.0-TTS Plus from Qwen on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.
S2 Pro and Qwen-Audio-3.0-TTS Plus are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
S2 Pro, from fish-audio, is priced at $15/M UTF-8 bytes on OpenRouter.
Qwen-Audio-3.0-TTS Plus, from Qwen, is priced at $20/M characters on OpenRouter.