Short-text Basic Voice Library
Not listed
1,000 thousand calls · 100 concurrent requests
Checked 20 Sep 2026
Plans and prices
Baidu Text-to-Speech pricing
Short-text Premium Voice Library
Not listed
1,000 thousand calls · 100 concurrent requests
Checked 20 Sep 2026
Short-text Large-model and Premium Voice Library
Not listed
1,000 thousand calls · 10 concurrent requests
Checked 20 Sep 2026
Long-text Basic Voice Library
Not listed
1,000,000 characters
Checked 20 Sep 2026
Long-text Premium Voice Library
Not listed
1,000,000 characters
Checked 20 Sep 2026
Long-text Large-model and Premium Voice Library
Not listed
1,000,000 characters
Checked 20 Sep 2026
Streaming Basic Voice Library
Not listed
1,000,000 characters · 10 concurrent requests
Checked 20 Sep 2026
Streaming Premium Voice Library
Not listed
1,000,000 characters · 10 concurrent requests
Checked 20 Sep 2026
Streaming Large-model and Premium Voice Library
Not listed
1,000,000 characters · 10 concurrent requests
Checked 20 Sep 2026
离线语音合成试用版
Free
2 devices for individual certification · 5 devices for enterprise certification
Checked 12 Oct 2026
离线语音合成基础版
CN¥0.60, paid once
4 basic voice libraries · Purchased by device count
Checked 12 Oct 2026
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
Checked 12 Oct 2026
基础音库（长文本在线合成）
CN¥170 a year
100万字 · Basic voice library
Checked 12 Oct 2026
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
Checked 12 Oct 2026