Cost reference · 12 October 2026

Google TTS models and pricing

Standard paid-tier prices in USD per million tokens. Compare the dated reference, then check current provider rates before generating audio.

The one-minute estimate covers audio output only at 25 audio tokens per second. Your actual bill can also include input tokens, retries and account-specific rates.

ModelText inputAudio outputEstimated audio per minuteNotes
gemini-3.8-flash-lite-tts$0.50$6.00$0.009Lower-cost 3.8 option
gemini-3.8-flash-tts$0.50$9.00$0.0135More expressive 3.8 option
gemini-3.1-flash-tts-preview$1.00$20.00$0.030Not in the current gallery; retires 17 Nov 2026
gemini-2.5-flash-preview-tts$0.50$10.00$0.015Not in the current gallery; retires 17 Nov 2026
gemini-2.5-pro-preview-tts$1.00$20.00$0.030Not in the current gallery; retires 17 Nov 2026

The Gemini 3.8 rates above apply through 31 December 2026; Google lists higher rates from 1 January 2027. Check Google's current pricing and model retirement schedule before a paid API request.

This library provides demos and recipes; visitors cannot generate audio here. Cloudflare Workers, D1 and R2 costs are separate from Google TTS prices.