Compare Gemini 3.1 Flash TTS Preview from Google and MAI-Voice-2 from Microsoft on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.


Gemini 3.1 Flash TTS Preview and MAI-Voice-2 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Gemini 3.1 Flash TTS Preview, from Google, has a 32,768-token context window and is priced at $1/M tokens input, $20/M tokens output on OpenRouter.
MAI-Voice-2, from Microsoft, is priced at $22/M characters on OpenRouter.