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zhipu/glm-5.3 — Z.AI: GLM 5.3 pricing, specs and API usage

Coding-forward flagship with 400K context.

TextProgrammingAgents & toolsReasoningcodetools

Specifications

Context window
400K
Max output tokens
128,000
Released
2026-08
Infra providers
5
Throughput
130 tok/s
Latency (TTFB, sample)
415 ms
Capabilities
Supports tools

Pricing

per million tokens

Input
$0.50
Output
$2.00
Blended (3:1)
$0.88

Use this model

Works with any OpenAI SDK — same request shape, different model id.

curl https://api.lokarouter.id/v1/chat/completions \  -H "Authorization: Bearer sk-lkr-your-key" \  -H "Content-Type: application/json" \  -d '{    "model": "zhipu/glm-5.3",    "messages": [{ "role": "user", "content": "Hello" }]  }'

Sample data for demonstration — connect your workspace for live stats.