Gemini 3.8 Flash TTS
Gemini 3.8 Flash TTS is Google's text to speech model with a 8K context window and up to 16K output tokens, available from 3 providers, starting at $0.5 / 1M input and $9.00 / 1M output. A fast text-to-speech model built for efficient, high-throughput speech synthesis.
| Specifications | |
|---|---|
google-gemini-3-8-flash-tts | |
| Text to Speech | |
| Active | |
| Google | |
| 8K tokens | |
| 16K tokens | |
| Text | |
| Audio | |
| · 23 days ago | |
| Benchmarks | |
|---|---|
| Elo Rating | #20 |
Capabilities
Input1/5
Text✓
Image·
Audio·
Video·
PDF·
Output1/5
Text·
Image·
Audio✓
Video·
Embedding·
Capabilities1/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching✓
Assistant Prefill·
Pricing by Provider
US Dollar ($)
Per 1M tokens
| Provider | Standard | Flex | Fast | Batch | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Input $ / 1M | Output $ / 1M | Cache Read $ / 1M | Audio In $ / 1M | Audio Out $ / 1M | Input $ / 1M | Output $ / 1M | Cache Read $ / 1M | Audio Out $ / 1M | Input $ / 1M | Output $ / 1M | Cache Read $ / 1M | Audio Out $ / 1M | Input $ / 1M | Output $ / 1M | Audio Out $ / 1M | |
| $1.00 | $9.00 | $0.1 | N/A | $18.00 | $0.5 | $4.50 | $0.05 | $9.00 | $1.80 | $16.20 | $0.18 | $32.40 | $0.5 | $4.50 | $9.00 | |
| $0.5 | $9.00 | N/A | $1.00 | $18.00 | — | — | — | — | — | — | — | — | — | — | — | |
| $0.5 | $9.00 | N/A | N/A | N/A | — | — | — | — | — | — | — | — | — | — | — | |
Cost Calculator
US Dollar ($)
Preset:
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| Gemini 3.8 Flash TTS | 8K | $0.500 | $9.00 | Current | |
| Gemini 3.8 Flash | 1.0M | $0.375 | $1.88 | Available | |
| Gemini 3.7 Flash | 1.0M | $0.750 | $3.75 | Deprecating | |
| Gemini 3.6 Flash | 1.0M | $0.750 | $3.75 | Deprecating | |
| Gemini 3.1 Flash Image | 131K | $0.250 | $1.50 | Available | |
| Gemini 3.5 Flash | 1.0M | $0.750 | $4.50 | Available | |
| Gemini 3 Flash | 1.0M | $0.250 | $1.50 | Available | |
| Gemini 3 Flash | 1.0M | $0.250 | $1.50 | Available | |
| Gemini 3 Flash Preview | 1.0M | $0.500 | $3.00 | Available | |
| Gemini 3 Flash Reasoning | — | — | — | — | Available |
| Gemini 3 Flash Live | — | — | $0.250 | $1.50 | Available |
Other Models
| Model | Tier | Released | Context | Input / 1M | Output / 1M |
|---|---|---|---|---|---|
| Gemini 4 Argon | — | 1.0M | $2.00 | $10.00 | |
| Gemini 3.5 Flash Lite | Flash-lite | 1.0M | $0.150 | $1.25 | |
| Gemini 3.1 Flash Lite Image | Flash-lite | 66K | $0.250 | $1.50 | |
| Gemini 3 Pro Image | Pro | 131K | $2.00 | $12.00 | |
| Gemini 3.1 Flash Lite | Flash-lite | 1.0M | $0.125 | $0.750 | |
| Gemini 3.1 Flash Lite | Flash-lite | 1.0M | $0.125 | $0.750 | |
| Gemini 3.1 Flash Lite Preview | Flash-lite | 1.0M | $0.250 | $1.50 | |
| Gemini 3.1 Pro Preview | Pro | 1.0M | $1.00 | $6.00 | |
| Gemini 3 Pro Preview | Pro | 1.0M | $2.00 | $12.00 | |
| Gemini 3 Pro Preview Low | Pro | — | — | — | — |