Zhipu AI · Rate Limits
Zhipu Ai Rate Limits
Z.ai applies model-specific concurrency to API users with prepaid balance. GLM Coding Plan subscribers have 5-hour and weekly usage windows with peak/off-peak quota multipliers.
Zhipu Ai Rate Limits is the machine-readable rate-limit profile for Zhipu AI on the APIs.io network, conforming to the API Commons Rate Limits specification.
It captures 3 rate-limit definitions, measuring concurrent-requests, window, and quota-multiplier.
The profile also includes 2 backoff/retry policies defined and response codes documented for throttled.
Tagged areas include AI, LLM, GLM, Rate Limiting, and Quotas.
3 Limits
Throttle: 429
AILLMGLMRate LimitingQuotas
Limits
API Default Concurrency account
1
Default per-model concurrency for prepaid API users; varies by package.
GLM Coding Plan Window account
5-hour and weekly
Usage allowances reset on rolling 5-hour and weekly windows.
Peak Hours Multiplier account
2-3x
Peak (14:00-18:00 UTC+8) consumes quota at 2-3x the off-peak rate for GLM-5.1 / GLM-5-Turbo.
Policies
Backoff Strategy
Exponential backoff with jitter; honor Retry-After headers.
Concurrency Upgrade
Higher concurrency requires contacting Z.ai sales or upgrading plan tier.
Sources
Work with this as data
Every rate limit here is available over the APIs.io API and to AI agents over MCP.