Monday, October 5, 2026 · No. 435Prices synced 15 hours ago
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The AI Model Price Index

Gemini 3.1 Flash TTS Preview

by Kenari · family gemini-flash · listed Apr 2026

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

Current rates USD per 1M tokens

Inputfree
Outputfree
Cache read—
Cache write—

Against the market

Input price vs. maker flagships ($/1M tokens)
Gemini 3.1 Flash TTS PreviewGemini 3.1 Flash TTS Preview: free per 1M tokensfreeDeepSeek V4 Flash Vision ExpDeepSeek V4 Flash Vision Exp: $0.15 per 1M tokens$0.15Qwen3.8 Omni FlashQwen3.8 Omni Flash: $0.15 per 1M tokens$0.15Gemini 3.8 FlashGemini 3.8 Flash: $0.75 per 1M tokens$0.75GLM-5.3GLM-5.3: $1.40 per 1M tokens$1.40Claude Sonnet 5.5Claude Sonnet 5.5: $2.00 per 1M tokens$2.00GPT-6.1 SolGPT-6.1 Sol: $2.00 per 1M tokens$2.00Grok 4.7Grok 4.7: $2.00 per 1M tokens$2.00
Output price vs. maker flagships ($/1M tokens)
Gemini 3.1 Flash TTS PreviewGemini 3.1 Flash TTS Preview: free per 1M tokensfreeQwen3.8 Omni FlashQwen3.8 Omni Flash: $0.47 per 1M tokens$0.47DeepSeek V4 Flash Vision ExpDeepSeek V4 Flash Vision Exp: $0.60 per 1M tokens$0.60Gemini 3.8 FlashGemini 3.8 Flash: $3.75 per 1M tokens$3.75GLM-5.3GLM-5.3: $4.40 per 1M tokens$4.40Grok 4.7Grok 4.7: $6.00 per 1M tokens$6.00Claude Sonnet 5.5Claude Sonnet 5.5: $10.00 per 1M tokens$10.00GPT-6.1 SolGPT-6.1 Sol: $10.00 per 1M tokens$10.00

On the record

Model id
gemini-3-1-flash-tts
Context window
8K tokens
Max output
16K tokens
Input modalities
text
Output modalities
audio
Reasoning
no
Tool calls
no
Open weights
no
Knowledge cutoff
Jan 2025
Released
2026-04-15
Last updated
2026-04-15
Provider docs
kenari.id/docs

Back of the envelope

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