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$1.4 per M tokens

Output price$4.4 per M tokens

Context length

Weekly usage22.895K tokens

Listed at

Z.ai

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Input price$1.4per 1M tokens

Output price$4.4per 1M tokens

Cache read$0.364per 1M tokens

Cache write$0per 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

GroupBilling typePrice summary

Glm0%

Per call

Input price1.4per 1M tokens

Completion price4.4per 1M tokens