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Google: Gemini 3.1 Flash TTS Preview

Google: Gemini 3.1 Flash TTS Preview is a speech model from Google, with a 33K-token context window, priced at $1.00 in · $20.00 out / 1M. Fully Informed benchmarks and compares models like Google: Gemini 3.1 Flash TTS Preview across the whole OpenRouter catalogue.

Vendor GoogleType Speech33K contextPrice $1.00 in · $20.00 out / 1M
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Gemini 3.1 Flash TTS Preview is a text-to-speech model from Google, and a substantial generational step up from Gemini 2.5 Flash TTS. It takes text input and produces audio output...
Related speech models
Canopy Labs: Orpheus 3B$7.00 / 1M tokensDeepgram: Aura-2$30.00 / 1M tokensDeepgram: Flux TTS (free)FreeFish Audio: S1$15.00 / 1M tokensFish Audio: S2 Pro$15.00 / 1M tokensFish Audio: S2.1 Pro$15.00 / 1M tokens
FAQ
What is Google: Gemini 3.1 Flash TTS Preview?
Gemini 3.1 Flash TTS Preview is a text-to-speech model from Google, and a substantial generational step up from Gemini 2.5 Flash TTS. It takes text input and produces audio output...
What is the context window of Google: Gemini 3.1 Flash TTS Preview?
Google: Gemini 3.1 Flash TTS Preview supports a 33K-token context window.
How much does Google: Gemini 3.1 Flash TTS Preview cost?
Google: Gemini 3.1 Flash TTS Preview is priced at $1.00 in · $20.00 out / 1M via OpenRouter.
What are alternatives to Google: Gemini 3.1 Flash TTS Preview?
Comparable speech models include Canopy Labs: Orpheus 3B, Deepgram: Aura-2, Deepgram: Flux TTS (free), Fish Audio: S1.
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