Gemini 3.8 Flash TTS

Google's expressive text-to-speech model (September 2026). It reads text aloud in 100+ languages with 2,000+ voices, designs new voices from a description, stages two-person conversations and can copy a voice with the owner's consent. Free tier on the Gemini API.

Go to Gemini 3.8 Flash TTS’s website

Free to try?Yes

Can I sell what I make?Yes

Open or closedClosed

Skill neededTechnical

The facts, with sources

Open or closed: Closed
Only usable through the maker's app or API
No weights. Inferred.
source · checked 7 Nov 2026 · checked, but the page was unclear or partial
Licence: Gemini API Additional Terms of Service (The maker's own terms)
EEA, Switzerland and UK apps must use Paid Services.
source · checked 12 Oct 2026 · checked on the maker's own page
Can I sell what I make?: Yes
Google won't claim ownership of generated content; you're responsible for its use. Terms don't explicitly say 'commercial'.
source · checked 12 Oct 2026 · checked, but the page was unclear or partial
Cost: Free option: Free tier on the Gemini API (input and output free, with rate limits)
Plans below.
How you use it: Maker's own API, In your browser, Through another service
Gemini API and AI Studio; Gemini Notebook; Gemini Enterprise coming; also on fal.
source · checked 7 Nov 2026 · checked on the maker's own page
Skill needed: Technical
API model; AI Studio offers a playground.
source · checked 7 Nov 2026 · checked, but the page was unclear or partial
Made by: Google DeepMind
source · checked 7 Nov 2026 · checked on the maker's own page
Status: Available
Announced 23 Sep 2026 with a cheaper Flash-Lite TTS.
source · checked 7 Nov 2026 · checked on the maker's own page

What you can make with it

A voice or speech, read my text aloud (main use)
A voice or speech, a brand-new voice from a description
A voice or speech, a copy of my own voice

text to audio

source · checked 7 Nov 2026 · checked on the maker's own page

Plans and prices

Plan	Price	Includes
Gemini API, audio output	$9 per 1000000 tokens	Commercial use: Yes

Some plans are not listed here; see the source for the full list.

Google gives $0.00225 per 10 s of audio until 31 Dec 2026 ($0.0045 from 1 Jan 2027); text input $0.50 per 1M tokens (then $1).

source · checked 7 Nov 2026 · checked on the maker's own page

Rough cost of 1 minute of speech: about $0.0135 / £0.01 (estimate, worked out by Plainly, not a price the maker publishes). $0.00225 per 10 s x 6 = $0.0135 per minute (price until 31 Dec 2026). GBP at 0.75 = 0.010.

Rights and safety

Trains on your work?: Trains on free-plan work only
Gemini API terms: free-tier use may be used to improve products; paid use not.
source · checked 7 Nov 2026 · checked, but the page was unclear or partial
Watermark: Invisible watermark, Content credentials (C2PA)
SynthID on every clip; replicated voices also get C2PA credentials.
source · checked 7 Nov 2026 · checked on the maker's own page
Real faces and voices: Copies a real voice (voice replication from about 30 seconds of audio), checks the person's consent
Needs verbal consent from the voice owner; not offered in Illinois, Texas, the EEA, UK, Switzerland or India.
source · checked 7 Nov 2026 · checked on the maker's own page

Where you can run it

fal

Other options for “A voice or speech, read my text aloud”

Adobe Firefly, Akool, Amazon Polly, Arcads, Async (formerly Podcastle), Azure AI Speech, Bark, CAMB.AI, Cartesia, Chatterbox, Clipchamp, Deepgram, DeeVid AI, Descript, Dia, Dubverse, Eleven v3, Eleven v4, ElevenLabs, F5-TTS, fal, Filmora, Fish Audio, Fish Audio Drama 3

About this entry. Facts last checked 7 Nov 2026 against the maker’s own pages (each fact links to its source). Entry status: draft. Plain-English summary written by Plainly.

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