Google: Gemini 3.1 Flash TTS Preview
Low-latency speech generation with steerable prompts and expressive audio tags
Cheapest input
$1
$/MTok · models.dev
Cheapest output
$20
$/MTok
Context
33K
tokens
Sources
3
5 listings
Sources
Same model, different sources. Our first-party rate is listed first, then router and aggregator rows stay separate so you can see the spread instead of a single blended number.
| Source | Provider | Input | Output | Cache read | Context |
|---|---|---|---|---|---|
| models.devcheapestgemini-3.1-flash-tts-preview | $1 | $20 | $0 | 8K | |
| OpenRoutergoogle/gemini-3.1-flash-tts-preview | OpenRouter | $1 | $20 | $0 | 33K |
| LiteLLMgemini-3.1-flash-tts-preview | N/A | $1 | $20 | $0.1 | N/A |
| LiteLLMgemini/gemini-3.1-flash-tts-preview | N/A | $1 | $20 | $0.1 | N/A |
| LiteLLMvertex_ai/gemini-3.1-flash-tts-preview | N/A | $1 | $20 | $0.1 | N/A |
Capabilities
- Reasoning
- In: text
- Out: audio
- Out: speech
Knowledge cutoff: 2025-01Released: 2026-04-15Output limit: 16K tokensFamily: gemini-flash
See what this model costs you
The app reads the sessions your tools already wrote and prices this model's tokens at the published API rate. Free on your computer.