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GLM-TTS

Jiayan (English)

Caadi ah English Female GLM-TTS

Jiayan (English) is a female AI voice powered by the GLM-TTS text-to-speech model. This standard-tier voice speaks English and delivers studio-quality speech synthesis. With moderate generation speed and a quality rating of 5/5, Jiayan (English) is well-suited for applications requiring maximum pronunciation accuracy. The GLM-TTS engine is developed by Zhipu AI under the MIT license, making it safe for commercial use. Key capabilities include: lowest error rate, voice cloning, flow matching, natural prosody. The GLM-TTS model also supports voice cloning — upload a short audio sample to create a custom voice that retains the same quality characteristics.

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GLM-TTSModel Information

Nooc GLM-TTS
Developer Zhipu AI
Quality
Speed Medium
License MIT
Cloning Supported
Tier Standard (2 credits/1K chars)
Parameters 300M
Architecture Llama + Flow Matching
Year 2025

Best Use Cases for Jiayan (English)

Recommended applications based on this voice's characteristics

Audiobooks & Narration

Use Jiayan (English) to narrate long-form content with natural prosody and expression.

Video Voiceovers

Add professional narration to YouTube videos, ads, and social media content.

Podcasts & Broadcasting

Studio-quality output suitable for podcasts, radio, and professional broadcasting.

Custom Brand Voice

Clone this voice style with your own audio to create a unique branded TTS voice.

More GLM-TTS Voices

Other voices from the same TTS model

Jiayan (Chinese)

Chinese Female

Jiayan Alt (Chinese)

Chinese Female

Jiayan Alt (English)

English Female
View all GLM-TTS voices

Su'aalaha badanaa la waydiiyo

GLM-TTS by Zhipu AI is a text-to-speech system built on the Llama architecture with flow matching. It achieves the lowest character error rate among open-source TTS models, meaning it produces the most accurate pronunciation. GLM-TTS supports English and Chinese with voice cloning from 3-10 second audio samples.

GLM-TTS was developed by Zhipu AI and is released under the MIT license, which permits commercial use of generated audio.

GLM-TTS supports 2 languages: English, Chinese.

GLM-TTS is in the Standard tier — 2 credits per 1,000 characters. You can preview any GLM-TTS voice for free before generating full audio.

GLM-TTS has moderate generation speed. Generation typically takes a few seconds depending on text length.

GLM-TTS is rated 5/5 for audio quality on TTS.ai. It delivers studio-grade, human-like speech.

Yes, GLM-TTS supports zero-shot voice cloning. Upload 5-30 seconds of reference audio to create a custom voice.

Yes, GLM-TTS is specifically recommended for applications requiring maximum pronunciation accuracy. Its lowest error rate, voice cloning, flow matching capabilities make it an excellent choice for this use case.

Yes, GLM-TTS is licensed under MIT, which allows commercial use. Audio generated with GLM-TTS voices can be used in videos, podcasts, apps, games, and any other commercial project.

Yes, all voices on TTS.ai use commercially-licensed open-source models (MIT, Apache 2.0). The generated audio is yours to use in videos, podcasts, apps, games, and any other commercial application.

Send a POST request to /api/v1/tts/ with the model name and voice ID. See our API Documentation page for code examples in Python, JavaScript, Go, and cURL.

Yes, click the play button on this page to hear a sample. You can also type custom text on the Text to Speech page and generate a free preview with any voice.

Try Jiayan (English) Now

Type any text and hear it spoken by Jiayan (English). Free to use.

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