Gemini 3.1 Flash TTS Preview
Gemini 3.1 Flash TTS Preview is Google's text to speech model with a 8K context window and up to 16K output tokens. A preview text-to-speech variant of Gemini 3.1 Flash for early access to fast voice synthesis capabilities.
google-gemini-3-1-flash-tts-preview |
| Text to Speech |
| Active |
| Google |
| 8K tokens |
| 16K tokens |
| Text |
| Audio |
| default |
Capabilities
Input1/5
Text✓
Image·
Audio·
Video·
PDF·
Output1/5
Text·
Image·
Audio✓
Video·
Embedding·
Capabilities1/13
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
| Provider | Standard | Batch | ||
|---|---|---|---|---|
| Input $ / 1M | Audio Out $ / 1M | Input $ / 1M | Audio Out $ / 1M | |
Google Gemini | $1.00 | $20.00 | $0.500 | $10.00 |
Cost Calculator
Preset:
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| 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 Preview | — | 8K | — | — | 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 Image | — | — | — | — | 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 |
| Gemini 3.1 Flash Live TTS | — | — | $1.00 | — | 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 | — | — | — | — |