Gemini 3.1 Flash TTS Preview vs Gemini 3.7 Flash
2026 Stored listed rates & illustrative token-cost comparison
Gemini 3.1 Flash TTS Preview
Deprecated
Deprecated endpoints may still be callable. Migrate before retirement. Retirement: 2026-11-17
Replacement reference: gemini-3.8-flash-ttsGemini 3.7 Flash
Legacy / Superseded
Legacy / superseded version. Newer models are available; official or partner channels may still serve this version.
Replacement reference: gemini-3.8-flash📌 Executive Summary (TL;DR):Gemini 3.1 Flash TTS Preview and Gemini 3.7 Flash represent distinct provider offerings. Review the granular token rate and context breakdown below to evaluate total cost of ownership.(Price records last updated 2026-10-11 (UTC))
Metric
Gemini 3.1 Flash TTS Preview (Google AI)
Gemini 3.7 Flash (Google AI)
Input listed rate
$1.00 / 1M Tokens
$0.75 / 1M Tokens
Output listed rate
$20.00 / 1M Tokens
$3.75 / 1M Tokens
Cached Input rate
—
$0.08 / 1M Tokens
Context Window
8K Tokens
1049K Tokens
Modality
audio
llm
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