Baidu Text-to-Speech vs TTSMaker

Baidu Text-to-Speech converts text into speech for applications and devices, with Chinese, English, mixed Chinese-English, and more than 70 voice styles available through its online service. Users can change speech rate, pitch, volume, and supported emotional effects; Chinese polyphonic characters can be annotated with pronunciation. Streaming synthesis can play audio nearly as text is entered, and long-text synthesis handles up to 100,000 Chinese characters in one request. Baidu provides HTTP and WebSocket APIs, online and offline SDKs, and Android and iOS SDKs for phones and smart devices. Offline synthesis is intended for settings with weak or no network access, including mobile apps, readers, robots, and smart hardware. Listed uses include audiobook reading, news and order announcements, and smart hardware. Short-text API requests must stay under 1,024 GBK bytes, with 120 bytes or less recommended. Export formats are MP3, PCM, and WAV. The service offers a free trial; offline trial and license plans are listed, while prices for other listed plans are not provided.

TTSMaker is an online text-to-speech service that converts written text into downloadable or playable audio. The web converter exports MP3, OGG, AAC, OPUS and WAV files and supports SSML. Its Pro information lists more than 600 AI voices in over 100 languages, with controls for voice emotion and speaking style. Named uses include video voiceovers, audiobook reading, education and training, marketing and advertising, customer service and application development. Commercial licensing grants worldwide, perpetual personal and commercial use of generated audio without additional fees or permission. Generated files and download links are retained for up to 30 minutes before deletion. The Free plan costs nothing and allows 20,000 characters per week, with 500 characters per conversion and 30 minutes of history. Lite, Pro Mini, Pro Max and Studio list increasing monthly character allowances, but no prices are provided. API access requires Pro or Studio and is limited to one request per second per API key. Platforms are web and API, and commercial use is allowed.