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Gemini 3.1 Flash TTS Preview vs MAI-Voice-2: side-by-side summary

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.

Context window
  • Gemini 3.1 Flash TTS Preview: 32,768 tokens
  • MAI-Voice-2: Not published
Price
  • Gemini 3.1 Flash TTS Preview: $1/M tokens input, $20/M tokens output
  • MAI-Voice-2: $22/M characters
Provided by
  • Gemini 3.1 Flash TTS Preview: Google
  • MAI-Voice-2: Microsoft
  • Gemini 3.1 Flash TTS Preview model details, providers and pricing
  • MAI-Voice-2 model details, providers and pricing