Freedom251 › Text-to-speech tools
Baidu Text-to-Speech
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Short-text Basic Voice Library | 1,000 thousand calls · 100 concurrent requests | On request |
| Short-text Premium Voice Library | 1,000 thousand calls · 100 concurrent requests | On request |
| Short-text Large-model and Premium Voice Library | 1,000 thousand calls · 10 concurrent requests | On request |
| Long-text Basic Voice Library | 1,000,000 characters | On request |
| Long-text Premium Voice Library | 1,000,000 characters | On request |
| Long-text Large-model and Premium Voice Library | 1,000,000 characters | On request |
| Streaming Basic Voice Library | 1,000,000 characters · 10 concurrent requests | On request |
| Streaming Premium Voice Library | 1,000,000 characters · 10 concurrent requests | On request |
The first 8 of 14 plans, as cloud.baidu.com lists them, read 20 Sept 2026. The maker's own page has the final word. Every plan
Facts from Baidu Text-to-Speech's own pages
- API access
- Yes · cloud.baidu.com, 20 Sept 2026
- Company founded
- Baidu states that it was incorporated in 2000. · ir.baidu.com, 12 Oct 2026
- Company headquarters
- Baidu states that its headquarters are in Beijing, China. · ir.baidu.com, 12 Oct 2026
- Export formats
- mp3,pcm,wav · cloud.baidu.com, 20 Sept 2026
- Founded
- 2000 · cloud.baidu.com, 19 Oct 2026
- Headquarters
- Beijing, China · cloud.baidu.com, 19 Oct 2026
- Interfaces
- Baidu offers HTTP or WebSocket APIs and online and offline SDKs. · cloud.baidu.com, 12 Oct 2026
- Languages
- 2 · cloud.baidu.com, 20 Sept 2026
- Long text limit
- Long-text synthesis supports conversion of up to 100,000 Chinese characters in one request. · cloud.baidu.com, 12 Oct 2026
- Maximum input
- 60 · cloud.baidu.com, 20 Sept 2026
- Mobile SDKs
- The online synthesis page lists Android and iOS SDKs for phones and smart devices. · cloud.baidu.com, 12 Oct 2026
- Offline use
- Offline synthesis is intended for weak or unavailable network environments, including mobile apps, readers, robots, and smart hardware. · cloud.baidu.com, 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. · cloud.baidu.com, 12 Oct 2026
- Platforms
- web,api,ios,android,linux · cloud.baidu.com, 20 Sept 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. · cloud.baidu.com, 12 Oct 2026
- Purpose
- Converts text into natural-sounding speech for applications and devices. · cloud.baidu.com, 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. · cloud.baidu.com, 12 Oct 2026
- Streaming
- Streaming synthesis supports bidirectional text and speech so synthesized audio can be heard nearly as text is entered. · cloud.baidu.com, 12 Oct 2026
- Use cases
- Listed use cases include audiobook reading, news announcements, order announcements, and smart hardware. · cloud.baidu.com, 12 Oct 2026
- Voice and language options
- The online service supports Chinese, English, mixed Chinese-English speech, and more than 70 voice styles. · cloud.baidu.com, 12 Oct 2026
- Voice cloning
- Yes · cloud.baidu.com, 20 Sept 2026
- Voice controls
- Users can adjust speech rate, pitch, volume, and supported emotional effects; Chinese polyphonic characters can be annotated with pronunciation. · cloud.baidu.com, 12 Oct 2026
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