Model Tracker
Gemini 3.1 Flash TTS
Gemini 3.1 Flash TTS is an AI model made by Google. It takes text and returns audio. Its context window is 8,192 tokens. Its longest answer is 16,384 tokens.
In inglese
Gemini 3.1 Flash TTS is an AI model made by Google. It takes text and returns audio. Its context window is 8,192 tokens. Its longest answer is 16,384 tokens. Through the API it costs $1.00 per 1M tokens for input and $20.00 per 1M tokens for output.
- Released
- Not confirmed: two readings disagree: 2026-02-26 and 2026-04
- Status
- Not confirmed: two readings disagree: deprecated and preview
- Takes
- Text — ai.google.dev, read 16 October 2026
- Returns
- Audio — ai.google.dev, read 16 October 2026
- Open weights
- Not confirmed: The maker's pages reviewed do not state whether this model's weights are open or downloadable.
- Licence
- Not confirmed: The maker's pages reviewed do not name a licence for this model's weights.
- Context window
- 8,192 tokens — ai.google.dev, read 16 October 2026
- Longest answer
- 16,384 tokens — ai.google.dev, read 16 October 2026
- Knowledge cutoff
- Not confirmed: The maker's pages reviewed do not state a knowledge cutoff for this model.
- API price, input
- $1.00 per 1M tokens — ai.google.dev, read 16 October 2026
- API price, output
- $20.00 per 1M tokens — ai.google.dev, read 16 October 2026
- Where
- Not confirmed: two readings disagree: api, cloud and api
- Parameters
- Not confirmed: The maker's pages reviewed do not publish a parameter count for this model.
- Model card
- https://deepmind.google/models/model-cards/gemini-3-1-flash-audio/ — ai.google.dev, read 16 October 2026
Questions
What is the context window of Gemini 3.1 Flash TTS?
The context window of Gemini 3.1 Flash TTS is 8,192 tokens, as Google prints it.
How much does the Gemini 3.1 Flash TTS API cost?
On the standard tier, Gemini 3.1 Flash TTS costs $1.00 per 1M tokens for input and $20.00 per 1M tokens for output, as Google lists it.
What does Gemini 3.1 Flash TTS take and return?
Gemini 3.1 Flash TTS takes text and returns audio.
More from Google
- CodeGemma
- DiffusionGemma
- Gemini 1.0 Pro Vision
- Gemini 1.5 Flash
- Gemini 1.5 Flash-8B
- Gemini 1.5 Pro
- Gemini 2.0 Flash
- Gemini 2.0 Flash Experimental
- Gemini 2.0 Flash-Lite
- Gemini 2.5 Computer Use
- Gemini 2.5 Deep Think
- Gemini 2.5 Flash
- Gemini 2.5 Flash Image
- Gemini 2.5 Flash Live
- Gemini 2.5 Flash TTS
- Gemini 2.5 Flash-Lite
- Gemini 2.5 Pro
- Gemini 2.5 Pro TTS
- Gemini 3 Flash
- Gemini 3 Pro
- Gemini 3.1 Flash Live
- Gemini 3.1 Flash-Lite
- Gemini 3.1 Pro
- Gemini 3.5 Flash
Sources
- Gemini 3.1 Flash TTS (text-to-speech) preview | Gemini API | Google AI for Developers (read 16 October 2026)
- Gemini deprecations | Gemini API | Google AI for Developers (read 16 October 2026)
- Gemini Developer API pricing | Gemini API | Google AI for Developers (read 16 October 2026)
- Gemini 3.1 Flash Audio (Flash Live, TTS) - Model Card (read 16 October 2026)