Model limit probe

Z.ai: GLM 4.5 Air (free) | max output limit

Z.ai: GLM 4.5 Air (free) max output limit decides whether a key can enter a production route. TestKey reads model ID z-ai/glm-4.5-air:free, provider Zhipu AI (GLM), catalog context, real-key headers, 429 errors, and region signals together.

Model

z-ai/glm-4.5-air:free

Z.ai: GLM 4.5 Air (free)

Provider

Zhipu AI (GLM)

13 models in catalog

Limit dimension

max output limit

max-output

Visible signal

catalog visible

Context window: 131,072

Limit matrix summary

Model

z-ai/glm-4.5-air:free

Limit dimension

max-output

Visible signal

catalog visible

Read-only check. Detection data burns after 5 minutes.

Why this limit matters

Z.ai: GLM 4.5 Air (free) max output limit decides whether a key can enter a production route. TestKey reads model ID z-ai/glm-4.5-air:free, provider Zhipu AI (GLM), catalog context, real-key headers, 429 errors, and region signals together.

Model: z-ai/glm-4.5-air:free
Provider: Zhipu AI (GLM)
Limit dimension: max output limit

How to prove it

Read-only check. Detection data burns after 5 minutes.

Start with the visible signal: catalog visible, then read headers and error bodies with read-only requests.
max output limit must bind model ID z-ai/glm-4.5-air:free; limits from another model at the same provider cannot be reused.
max output limit · catalog visible · 131,072

Operator action

Z.ai: GLM 4.5 Air (free) max output limit is not just a number. It should become route throttling, sale tags, headroom alerts, fallback model suggestions, and price protection.

Read-only check. Detection data burns after 5 minutes.
Visible signal: catalog visible
Context window: 131,072

Open key checker

Read-only check. Detection data burns after 5 minutes.

Open models

Z.ai: GLM 4.5 Air (free)

Open providers

Zhipu AI (GLM)