# Zhipu: glm-tts — API on ChinaAPI

> GLM-TTS — context-aware speech synthesis with expressive delivery, streaming output, fast first audio, and controls for voice, speed, and volume.

- Canonical page: https://chinaapi-ru.com/models/glm-tts/
- Model ID: `glm-tts`
- Type: speech synthesis (TTS)
- Modalities: Text input, audio output
- Capabilities: Audio, Text-to-Speech, Streaming, Emotion, Voice Control
- Billing: $0.5556 per 10k characters (USD)
- Endpoint: `POST https://api.chinaapi-ru.com/v1/audio/speech` (OpenAI-compatible speech endpoint)
- Pricing basis: The displayed media rate may include a service margin covering provider input/output billing, payment processing, chargeback exposure, and operations. Any margin is included in the displayed rate and is not added separately.
- Access: no mainland-China account or phone number required; $2 free trial credit
- Sign up: https://dash.chinaapi-ru.com/register?utm_source=chinaapi&utm_medium=model-md&utm_campaign=glm-tts

## Quickstart

```
curl -X POST https://api.chinaapi-ru.com/v1/audio/speech \
  -H "Authorization: Bearer sk-..." \
  -H "Content-Type: application/json" \
  -d '{
    "model": "glm-tts",
    "voice": "tongtong",
    "input": "（轻声）Welcome to ChinaAPI. 今天我们来测试自然语音。",
    "response_format": "mp3"
  }' \
  --output speech.mp3
```

## FAQ

**How do I use glm-tts?**
Use glm-tts through ChinaAPI with an API key and the OpenAI-compatible endpoint shown on this page.

**How much does glm-tts cost?**
glm-tts is $0.5556 per 10k characters, paid in USD. The live pricing page is authoritative. The displayed media rate may include a service margin covering provider input/output billing, payment processing, chargeback exposure, and operations. Any margin is included in the displayed rate and is not added separately.

**Does glm-tts need a Chinese account?**
No. ChinaAPI provides access without a mainland-China account or phone number and includes a $2 free trial. Check live pricing for the displayed USD rate.

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Markdown twin of https://chinaapi-ru.com/models/glm-tts/ — generated by scripts/gen_model_pages.py. Full catalog: https://chinaapi-ru.com/llms-full.txt