Monday, September 7, 2026 · No. 407Prices synced 6 hours ago
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The AI Model Price Index

Gemini 3.1 Flash TTS Preview

by Google · family gemini-flash · listed Apr 2026R

Low-latency speech generation with steerable prompts and expressive audio tags

Current rates USD per 1M tokens

Input$1.00
Output$20.00
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Against the market

Input price vs. maker flagships ($/1M tokens)
DeepSeek V4 Flash Vision ExpDeepSeek V4 Flash Vision Exp: $0.14 per 1M tokens$0.14Qwen3.8 FlashQwen3.8 Flash: $0.15 per 1M tokens$0.15Gemini 3.8 FlashGemini 3.8 Flash: $0.75 per 1M tokens$0.75Gemini 3.1 Flash TTS PreviewGemini 3.1 Flash TTS Preview: $1.00 per 1M tokens$1.00GLM-5.2GLM-5.2: $1.40 per 1M tokens$1.40Grok 4.6Grok 4.6: $2.00 per 1M tokens$2.00Claude Fable 5.1Claude Fable 5.1: $10.00 per 1M tokens$10.00GPT-6 AstraGPT-6 Astra: $10.00 per 1M tokens$10.00
Output price vs. maker flagships ($/1M tokens)
DeepSeek V4 Flash Vision ExpDeepSeek V4 Flash Vision Exp: $0.28 per 1M tokens$0.28Qwen3.8 FlashQwen3.8 Flash: $0.47 per 1M tokens$0.47Gemini 3.8 FlashGemini 3.8 Flash: $3.75 per 1M tokens$3.75GLM-5.2GLM-5.2: $4.40 per 1M tokens$4.40Grok 4.6Grok 4.6: $6.00 per 1M tokens$6.00Gemini 3.1 Flash TTS PreviewGemini 3.1 Flash TTS Preview: $20.00 per 1M tokens$20.00Claude Fable 5.1Claude Fable 5.1: $50.00 per 1M tokens$50.00GPT-6 AstraGPT-6 Astra: $50.00 per 1M tokens$50.00

On the record

Model id
gemini-3.1-flash-tts-preview
Context window
8K tokens
Max output
16K tokens
Input modalities
text
Output modalities
audio
Reasoning
yes
Tool calls
no
Open weights
no
Knowledge cutoff
Jan 2025
Released
2026-04-15
Last updated
2026-04-15
Provider docs
ai.google.dev/gemini-api/docs/models

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