Gemini Text-to-Speech
The facts below are what the maker publishes about Gemini Text-to-Speech, checked and dated. Our editors have not written about it yet.
Plans and prices
From Gemini Text-to-Speech's own pricing page, checked 20 Sep 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Gemini 3.1 Flash TTS Preview Standard | $1 a month | Output priced at $20 per 1 million audio tokens · Free tier available |
| Gemini 3.1 Flash TTS Preview Batch | $0.50 a month | Output priced at $10 per 1 million audio tokens · Free tier unavailable |
| Gemini 2.5 Flash Preview TTS Standard | $0.50 a month | Output priced at $10 per 1 million audio tokens · Free tier available |
| Gemini 2.5 Flash Preview TTS Batch | $0.25 a month | Output priced at $5 per 1 million audio tokens · Free tier unavailable |
| Gemini 2.5 Pro Preview TTS Standard | $1 a month | Output priced at $20 per 1 million audio tokens · Free tier unavailable |
| Gemini 2.5 Pro Preview TTS Batch | $0.50 a month | Output priced at $10 per 1 million audio tokens · Free tier unavailable |
| Gemini 3.8 Flash TTS — Flex | Free | Batch-style lower pricing · free tier unavailable · output equivalent to $0.001125 per 10s audio through Dec 31, 2026 · Paid tier per 1M tokens: $0.25 input text and $4.50 output audio through Dec 31, 2026; $0.50 input text and $9.00 output audio starting Jan 1, 2027. |
| Gemini 3.8 Flash TTS — Priority | Free | Free of charge on free tier · paid output equivalent to $0.00405 per 10s audio through Dec 31, 2026 · Free tier available; paid tier per 1M tokens: $0.90 input text and $16.20 output audio through Dec 31, 2026; $1.80 input text and $32.40 output audio starting Jan 1, 2027. |
| Gemini 3.8 Flash TTS — Standard | Free | Free of charge on free tier · paid output equivalent to $0.00225 per 10s audio through Dec 31, 2026 · audio tokens correspond to 25 tokens per second · Free tier; paid tier billed per 1M tokens: $0.50 input text and $9.00 output audio through Dec 31, 2026; $1.00 input text and $18.00 output audio starting Jan 1, 2027. |
| Gemini 3.8 Flash-Lite TTS — Batch | Free | Batch free tier unavailable · paid output equivalent to $0.00075 per 10s audio through Dec 31, 2026 · Paid tier per 1M tokens: $0.25 input text and $3.00 output audio through Dec 31, 2026; $0.50 input text and $6.00 output audio starting Jan 1, 2027. |
| Gemini 3.8 Flash-Lite TTS — Flex | Free | Free tier unavailable · paid output equivalent to $0.00075 per 10s audio through Dec 31, 2026 · Paid tier per 1M tokens: $0.25 input text and $3.00 output audio through Dec 31, 2026; $0.50 input text and $6.00 output audio starting Jan 1, 2027. |
| Gemini 3.8 Flash-Lite TTS — Priority | Free | Free of charge on free tier · paid output equivalent to $0.0027 per 10s audio through Dec 31, 2026 · Free tier available; paid tier per 1M tokens: $0.90 input text and $10.80 output audio through Dec 31, 2026; $1.80 input text and $21.60 output audio starting Jan 1, 2027. |
| Gemini 3.8 Flash-Lite TTS — Standard | Free | Free of charge on free tier · paid output equivalent to $0.0015 per 10s audio through Dec 31, 2026 · audio tokens correspond to 25 tokens per second · Free tier; paid tier billed per 1M tokens: $0.50 input text and $6.00 output audio through Dec 31, 2026; $1.00 input text and $12.00 output audio starting Jan 1, 2027. |
| Gemini 3.8 Flash TTS — Batch | Free | Batch free tier unavailable · paid output equivalent to $0.001125 per 10s audio through Dec 31, 2026 · audio tokens correspond to 25 tokens per second · Paid tier per 1M tokens: $0.25 input text and $4.50 output audio through Dec 31, 2026; $0.50 input text and $9.00 output audio starting Jan 1, 2027. |
The facts
Each one read from Gemini Text-to-Speech's own pages, with the date it was checked.
What it does
- API access
- Yeschecked 20 Sep 2026
- Commercial use
- Yeschecked 20 Sep 2026
- Custom voice limits
- Stored custom voices have a maximum of 200 per project and a one-year TTL; stateless voice keys have a seven-day TTL.checked 11 Oct 2026
- Data use
- For paid services, Google says prompts and responses are not used to improve its products, while they may be logged for a limited period to detect and prevent policy violations and meet legal disclosures.checked 11 Oct 2026
- Export formats
- WAV,PCMchecked 20 Sep 2026
- Integrations
- The guide documents Python and JavaScript/TypeScript SDKs, Go, and REST API usage.checked 11 Oct 2026
- Languages
- The models automatically detect input language; Flash TTS supports over 130 languages and Flash-Lite supports over 100.checked 11 Oct 2026
- Limits
- TTS accepts text-only input and produces audio-only output; one multi-speaker request supports up to two speakers using prebuilt voices.checked 11 Oct 2026
- Model choices
- Gemini 3.8 Flash TTS targets studio-grade fidelity, expressive acting, and long-form stability, while Flash-Lite targets high-throughput, low-latency, cost-efficient conversational speech.checked 11 Oct 2026
- Streaming and formats
- Requests can stream audio; unary output defaults to WAV and streaming output defaults to raw 24 kHz mono 16-bit PCM, with other listed encodings including mu-law and A-law.checked 11 Oct 2026
- Style control
- Structured speech metadata and inline vocal tags can guide style, accent, pace, tone, pauses, and vocal events.checked 11 Oct 2026
- Testing
- Google AI Studio is provided as a place to try Gemini TTS models before building.checked 11 Oct 2026
- Use cases
- The TTS API is intended for exact text recitation with fine-grained control, including podcast or audiobook generation.checked 11 Oct 2026
- Voice library
- Developers can select prebuilt voices, browse an Extended Voice Library, or use designed and replicated voice IDs.checked 11 Oct 2026
- What it does
- The Gemini API converts text into single-speaker or multi-speaker audio.checked 11 Oct 2026
Money
- Free plan
- Yeschecked 20 Sep 2026
- Free-tier data use
- The pricing page marks free-tier TTS content as used to improve Google products and paid-tier content as not used for that purpose.checked 11 Oct 2026
Where it runs
- Platforms
- web,apichecked 20 Sep 2026
Alternatives to Gemini Text-to-Speech
- 1
Voicebox
Free planOpen sourceAndroidiOSWebAPI9.3From $12 a year - 2
Speechify
Free planAndroidiOSWebAPI9.0From $10 a month - 3
Resemble AI
Free planAndroidiOSWebAPI9.0From $280 a month - 4
iSpeech
Free planOpen sourceAndroidiOSWebAPI9.0Free plan - 5
Fliki
Free planAndroidiOSWebAPI8.8From $28 a month - 6
Voice.ai
Free planAndroidiOSWebAPI8.8From $5 a month