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AZRouter.dev

Z.ai · Text model

Z.ai: GLM 5.3

z-ai/glm-5.31M context

GLM-5.3 is a large-scale reasoning model from Z.ai, built for complex software engineering and long-horizon agent tasks.

Modalities
Price vs OpenRouter
$0.0869/M inOpenRouter $0.079+10%$5.28/M outOpenRouter $4.80+10%
Context
1M
Max output
944K
Released
Aug 2026

Model specifications

Provider
Z.ai
Model slug
z-ai/glm-5.3
Input
Text
Output
Text
Context length
1,048,576 tokens
Max output
943,718 tokens
Released
Aug 18, 2026
Price reference
OpenRouter public price, checked

Pricing

Every unit this model bills by, OpenRouter's price next to AZRouter's.

  • Input /M tok

    +10%
    OpenRouter
    $0.079
    AZRouter
    $0.0869

  • Output /M tok

    +10%
    OpenRouter
    $4.80
    AZRouter
    $5.28

  • Cache read /M tok

    +10%
    OpenRouter
    $0.078
    AZRouter
    $0.0858

Reference: OpenRouter's public price, checked . You are billed the AZRouter price from prepaid credits.

Each request's total is rounded to the nearest $0.000002 (halves up), so it can differ from the per-unit math by up to $0.000001. How rounding works

API

OpenAI-compatible. Base URL https://api.azrouter.dev/v1, key in $AZROUTER_API_KEY.

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

Requests may be used for model training by AZRouter, upstream providers and model owners. Privacy Policy

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