Model error diagnosis

Z.ai: GLM 5 | model capability unsupported

Z.ai: GLM 5 returning 400 / model capability unsupported means you should first confirm whether model ID z-ai/glm-5 is visible for this Zhipu AI (GLM) key, then separate permission, context, capability, rate limit, or route issues.

Model

z-ai/glm-5

Z.ai: GLM 5

Provider

Zhipu AI (GLM)

13 models in catalog

Error type

model capability unsupported

capability-unsupported

Status code

400

China model route

Model error summary

Model

z-ai/glm-5

Error type

capability-unsupported

Status code

400

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

What this model error usually means

Z.ai: GLM 5 returning 400 / model capability unsupported means you should first confirm whether model ID z-ai/glm-5 is visible for this Zhipu AI (GLM) key, then separate permission, context, capability, rate limit, or route issues.

Model: z-ai/glm-5
Provider: Zhipu AI (GLM)
Status code: 400

How to prove it during checking

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

List models: confirm whether z-ai/glm-5 is actually visible instead of guessing from the display name.
Light probe: use minimal input to verify whether Zhipu AI (GLM) returns the same 400, then record the error body.
Compare model facts: context 80,000, input $0.720, output $2.3.
supports frequency_penalty
supports include_reasoning
supports logit_bias
supports logprobs

Next action

Z.ai: GLM 5 model capability unsupported should not end at failed. Return the next move: change model ID, add permission, reduce context, disable unsupported capability, change route, monitor, or hold listing.

Context: 80,000
Price: $0.720 / $2.3
Read-only check. Detection data burns after 5 minutes.

Open key checker

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