Baidu Text-to-Speech
The facts below are what the maker publishes about Baidu Text-to-Speech, checked and dated. Our editors have not written about it yet.
Plans and prices
From Baidu Text-to-Speech's own pricing page, checked 20 Sep 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Short-text Basic Voice Library | — | 1,000 thousand calls · 100 concurrent requests |
| Short-text Premium Voice Library | — | 1,000 thousand calls · 100 concurrent requests |
| Short-text Large-model and Premium Voice Library | — | 1,000 thousand calls · 10 concurrent requests |
| Long-text Basic Voice Library | — | 1,000,000 characters |
| Long-text Premium Voice Library | — | 1,000,000 characters |
| Long-text Large-model and Premium Voice Library | — | 1,000,000 characters |
| Streaming Basic Voice Library | — | 1,000,000 characters · 10 concurrent requests |
| Streaming Premium Voice Library | — | 1,000,000 characters · 10 concurrent requests |
| Streaming Large-model and Premium Voice Library | — | 1,000,000 characters · 10 concurrent requests |
| 离线语音合成试用版 | Free | 2 devices for individual certification · 5 devices for enterprise certification · Free trial license; valid 30 days |
| 离线语音合成基础版 | CN¥0.60, paid once | 4 basic voice libraries · Purchased by device count · 0.6元/个; 1-year license, minimum 10W devices |
| 离线语音合成精品版 | CN¥0.80, paid once | 4 basic and 12 premium voice libraries · Purchased by device count · 0.8元/个; 1-year license, minimum 10W devices |
| 基础音库（长文本在线合成） | CN¥170 a year | 100万字 · Basic voice library · 170元/年 for 100万字; valid 12 months |
| 基础音库（短文本在线合成） | CN¥1,200, paid once | Enterprise accounts: 100千 free calls · 100 concurrency included · 70+ voices · ¥1200 for 1,000千次; valid 12 months |
The facts
Each one read from Baidu Text-to-Speech's own pages, with the date it was checked.
What it does
- API access
- Yeschecked 20 Sep 2026
- Export formats
- mp3,pcm,wavchecked 20 Sep 2026
- Interfaces
- Baidu offers HTTP or WebSocket APIs and online and offline SDKs.checked 12 Oct 2026
- Languages
- 2checked 20 Sep 2026
- Long text limit
- Long-text synthesis supports conversion of up to 100,000 Chinese characters in one request.checked 12 Oct 2026
- Maximum input
- 60checked 20 Sep 2026
- Mobile SDKs
- The online synthesis page lists Android and iOS SDKs for phones and smart devices.checked 12 Oct 2026
- Offline use
- Offline synthesis is intended for weak or unavailable network environments, including mobile apps, readers, robots, and smart hardware.checked 12 Oct 2026
- Personal information safeguards
- The speech synthesis SDK privacy policy says Baidu uses encryption and protection mechanisms against malicious attacks to protect personal information.checked 12 Oct 2026
- Privacy guidance
- Baidu's SDK personal-information compliance guide asks app developers to disclose the SDK's personal-information collection, methods, and purposes in their privacy policy.checked 12 Oct 2026
- Purpose
- Converts text into natural-sounding speech for applications and devices.checked 12 Oct 2026
- Short-text request limit
- Short-text API input must be under 1,024 GBK bytes, with each request recommended to be no more than 120 bytes.checked 12 Oct 2026
- Streaming
- Streaming synthesis supports bidirectional text and speech so synthesized audio can be heard nearly as text is entered.checked 12 Oct 2026
- Use cases
- Listed use cases include audiobook reading, news announcements, order announcements, and smart hardware.checked 12 Oct 2026
- Voice and language options
- The online service supports Chinese, English, mixed Chinese-English speech, and more than 70 voice styles.checked 12 Oct 2026
- Voice cloning
- Yeschecked 20 Sep 2026
- Voice controls
- Users can adjust speech rate, pitch, volume, and supported emotional effects; Chinese polyphonic characters can be annotated with pronunciation.checked 12 Oct 2026
The company
- Company founded
- Baidu states that it was incorporated in 2000.checked 12 Oct 2026
- Company headquarters
- Baidu states that its headquarters are in Beijing, China.checked 12 Oct 2026
- Founded
- 2000checked 19 Oct 2026
- Headquarters
- Beijing, Chinachecked 19 Oct 2026
Where it runs
- Platforms
- web,api,ios,android,linuxchecked 20 Sep 2026
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