GLM 4.5 Air

z-ai/glm-4-5-air

Reasoning model with 131K context from Zhipu AI. Free tier.

Specifications

Context Window 131K tokens

Max Output 8.2K tokens

Latency fast

Knowledge Cutoff

Training Data

Pricing

Input $0.00 per 1M tokens

Output $0.00 per 1M tokens

Capabilities

text Text generation and understanding

reasoning Advanced multi-step reasoning with chain-of-thought

API Identifiers

Model ID z-ai/glm-4-5-air

Provider API ID glm-4.5-air

Usage via Multi-Router

curl https://api.multi-router.ai/v1/chat/completions \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -H "x-mr-router-id: YOUR_ROUTER_ID" \
  -d '{
    "model": "z-ai/glm-4-5-air",
    "messages": [
      {"role": "user", "content": "Hello!"}
    ]
  }'