Zhipu / GLM API model

Zhipu: glm-tts

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

Start free — $2 credit View live pricing

Specs

Pricing and API details.

Transparent USD pricing. No mainland-China account or phone required. 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.

Type

Speech synthesis (TTS)

Modalities

Text input, audio output

Capabilities

Audio, Text-to-Speech, Streaming, Emotion, Voice Control

Billing

$0.5556 per 10k characters

Endpoint

/v1/audio/speech

About glm-tts

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

Pricing

Transparent USD pricing.

glm-tts

$0.5556 per 10k characters. Paid in USD. 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. View live pricing

Quickstart

Copy-paste API request.

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

Internal links

Related model pages and guides.

Model directoryBrowse all models Live pricingCurrent dashboard pricing Speech and audio API guideOpen guide glm-5.1200K context, $1.1111/M input, $3.8889/M output tokens glm-5-turbo200K context, $0.9722/M input, $3.6111/M output tokens glm-5.21M context, $1.2798/M input, $4.4793/M output tokens glm-5200K context, $0.8333/M input, $3.0556/M output tokens

How do I use glm-tts?

Use glm-tts through ChinaAPI with an API key and the OpenAI-compatible endpoint shown above.

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.