GoogleGemini 3.1 Flash TTS Preview model ID, context window & pricing
gemini-flash
Quick facts
Model ID gemini-3.1-flash-tts-preview
Source Google
Context Window 8192
Pricing $1.00 input / $20.00 output per 1M tokens
Capabilities reasoning, temperature control
Model overview
Gemini 3.1 Flash TTS Preview is an AI model from Google with 8192 token context window and text input support.
Published pricing is $1.00 input and $20.00 output per 1M tokens.
- Workloads that use text inputs with audio outputs.
- Reasoning-heavy prompts where stepwise problem solving matters.
Model ID gemini-3.1-flash-tts-preview
Provider Google
Family gemini-flash
Status -
Knowledge Cutoff 2025-01
Release Date 2026-04-15
Input Modalities text
Output Modalities audio
Context Window 8192
Input Limit -
Output Limit 16384
Tool Calling No
Reasoning Yes
Structured Output -
Temperature Control Yes
Open Weights No
Input Cost / 1M tokens $1.00
Output Cost / 1M tokens $20.00
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens -
Cache Write Cost / 1M tokens -