Z.ai: glm-5.3

The public release of GLM-5.3 was documented in 2026 as part of Z.ai’s GLM-5 model generation. It belongs to the GLM-5 family and is used for general reasoning, coding, and agent-oriented workloads.

Modetext → text

Input price$2.8 per M tokens

Output price$12.32 per M tokens

Context length

Listed at2026-08-20T00:00:00Z

Z.ai

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Input price$2.8per 1M tokens

Output price$12.32per 1M tokens

Cache read$0.728per 1M tokens

Cache write—per 1M tokens

Performance

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Code Example

Replace <YOUR_API_KEY> with the API key generated on your token management page.

Authentication

All requests must include the Authorization: Bearer <TOKEN> header.

Endpoint Path

POST

Supported Parameters

ParameterTypeDefaultDescription

Rate Limits

GroupRPMTPMRPD

RPM = requests per minute, TPM = tokens per minute, RPD = requests per day. Limits apply by token group.

Pricing

ProviderBilling typePrice summary

ChatGLM

Per token

Input price$2.8per 1M tokens

Completion price$12.32per 1M tokens

Cache read price$0.728per 1M tokens

Cache write price$—per 1M tokens