Google text-to-speech models & pricing
12 models listed · appears on 2 of 3 boards · from $4.00/1M
Provides text-to-speech via Google Cloud and the Gemini model family, from WaveNet to current Gemini TTS.
Models on the boards
ModelReleased$/1M charsBoardsComposite
Gemini 3.8 Flash-Lite TTSSept 2026$11.02/381.0
Gemini 3.8 Flash TTSSept 2026$16.52/381.0
Gemini 3.1 Flash TTSApr 2026$18.32/374.0
Gemini 2.5 Flash Lite TTSDec 2025$9.21/338.0
StudioFeb 2023$160.01/337.0
JourneyDec 2023$160.01/334.0
Chirp 3: HDMar 2025$30.01/329.0
Gemini 2.5 Flash TTS (Dec 2025)Dec 2025$9.21/328.0
Gemini 2.5 Pro (Dec 2025)Dec 2025$18.31/318.0
WaveNetSept 2016$16.01/37.0
Neural2Jun 2022$16.01/34.0
StandardAug 2018$4.01/32.0
Latency from public benchmarks
Time to first audio, in milliseconds, as each benchmark publishes it. We don't measure latency ourselves, and the sources measure differently (harness, region, sample size), so each figure stays under its own source. Not part of the composite score.
ModelCoval, Time to first audio, p50, us-east-1, millisecondsSpeko, Time to first audio, p50, US East, millisecondsHumanness Index, Time to first audio, median, milliseconds
Gemini 3.8 Flash-Lite TTS—497 msmeasured Sep 24, 2026—
Gemini 3.8 Flash TTS—1031 msmeasured Sep 24, 2026—
Gemini 3.1 Flash TTS—978 msmeasured Jul 3, 2026—
Chirp 3: HD536 ms7-day window to Oct 11, 2026——
Coval: Time to first audio, p50, us-east-1, read Oct 11, 2026 · Speko: Time to first audio, p50, US East, read Oct 11, 2026 · Humanness Index: Time to first audio, median, read Oct 11, 2026. How latency is sourced.