GLM 5.3

z-ai/glm-5.3

GLM-5.3 for long-horizon autonomous coding and engineering workflows. This variant defaults to the model's low reasoning tier for faster responses.

Reasoning
Tool calling
Structured output

Chat with this model Create an API key

Pricing

Includes our margin. Charged per request from your balance.

Input: $0.66 per 1M tokens
Output: $1.21 per 1M tokens
Cache read: $0.22 per 1M tokens
Typical message: $0.0046

Details

Provider: Z.ai
Context: 1M tokens
Max output: 131K tokens
Added: Aug 14, 2026
Reasoning effort: low, high, max

Use it from the API

Replace $HIDE_API_KEY with a key from the Developers page. Base URL https://hide.st/api/v1.

curl https://hide.st/api/v1/chat/completions \
  -H "Authorization: Bearer $HIDE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "z-ai/glm-5.3",
    "messages": [
      {"role": "user", "content": "Hello!"}
    ]
  }'