Gemini 3.1 Flash TTS
Gemini 3.1 Flash TTS is Google's text to speech model, available from 2 providers, starting at $1.00 / 1M input. A text-to-speech variant of Gemini 3.1 Flash delivering fast, high-quality voice synthesis within the Gemini multimodal ecosystem.
| Specifications | |
|---|---|
google-gemini-3-1-flash-tts | |
| Text to Speech | |
| Active | |
| Google | |
| Text | |
| Audio | |
Capabilities
Input1/5
Text✓
Image·
Audio·
Video·
PDF·
Output1/5
Text·
Image·
Audio✓
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·
Pricing by Provider
US Dollar ($)
Per 1M tokens
| Provider | Standard | Batch | ||
|---|---|---|---|---|
| Input $ / 1M | Audio Out $ / 1M | Input $ / 1M | Audio Out $ / 1M | |
| $1.00 | $20.00 | $0.5 | $10.00 | |
| $1.00 | $20.00 | $0.5 | $10.00 | |
Cost Calculator
US Dollar ($)
Preset:
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| Gemini 3.1 Flash Image | 131K | $0.500 | $3.00 | Available | |
| Gemini 3.5 Flash | 1.0M | $1.50 | $9.00 | Available | |
| Gemini 3 Flash | 1.0M | $0.500 | $3.00 | Available | |
| Gemini 3 Flash Preview | 1.0M | $0.500 | $3.00 | Available | |
| Gemini 3.1 Flash TTS | — | — | $1.00 | — | Current |
| Gemini 3 Flash Reasoning | — | — | — | — | Available |
| Gemini 3 Flash Live | — | — | $0.500 | $3.00 | Available |
| Gemini 3 Flash Live Live | — | — | $0.750 | $4.50 | Available |
| Gemini 3.1 Flash Live | — | — | $0.750 | $4.50 | Available |
| Gemini 3.1 Flash Live Image | — | — | — | — | Available |
| Gemini 3.1 Flash Live Preview | — | 131K | $0.750 | $4.50 | Available |
Other Models
| Model | Tier | Released | Context | Input / 1M | Output / 1M |
|---|---|---|---|---|---|
| Gemini 3.1 Flash Lite | Flash-lite | 1.0M | $0.250 | $1.50 | |
| Gemini 3.1 Flash Lite Preview | Flash-lite | 1.0M | $0.250 | $1.50 | |
| Gemini 3.1 Pro Preview Custom Tools | Pro | 1.0M | $2.00 | $12.00 | |
| Gemini 3.1 Pro Preview | Pro | 1.0M | $2.00 | $12.00 | |
| Gemini 3 Pro Preview | Pro | 1.0M | $2.00 | $12.00 | |
| Gemini 3 Pro Image | Pro | 66K | $2.00 | $12.00 | |
| Gemini 3 Deep Think | — | — | — | — | — |
| Gemini 3 Pro | Pro | — | — | $2.00 | $12.00 |
| Gemini 3 Pro Preview Low | Pro | — | — | — | — |
| Gemini 3 Pro Image Generation | Pro | — | — | — | — |