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Gemini 3.1 Flash TTS Preview

Preview TTS release

Preview release in Google's Gemini Flash line for audio/text-to-speech use cases.

Pricing

Model profile · Current snapshot
Input / 1M
$0.50
Output / 1M
$3.00
Blended / 1M
$1.13
Output TPS
185
TTFT (s)
5.52

Model Intelligence

Arena ranking
46
Benchmarkable
Yes
Model level
release
Intelligence Index
46.4
Coding Index
42.6
Math Index
97
MMLU Pro
0.89
GPQA
0.9
HLE
0.35
LiveCodeBench
0.91
SciCode
0.51
AIME 2025
0.97
IFBench
0.78
LCR
0.66
TerminalBench Hard
0.39
TAU2
0.8

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