Model error diagnosis

xAI: Grok 4 | model not found

xAI: Grok 4 returning 404 / model not found means you should first confirm whether model ID x-ai/grok-4 is visible for this xAI key, then separate permission, context, capability, rate limit, or route issues.

Model

x-ai/grok-4

xAI: Grok 4

Provider

xAI

10 models in catalog

Error type

model not found

model-not-found

Status code

404

global model route

Model error summary

Model

x-ai/grok-4

Error type

model-not-found

Status code

404

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

What this model error usually means

xAI: Grok 4 returning 404 / model not found means you should first confirm whether model ID x-ai/grok-4 is visible for this xAI key, then separate permission, context, capability, rate limit, or route issues.

Model: x-ai/grok-4
Provider: xAI
Status code: 404

How to prove it during checking

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

List models: confirm whether x-ai/grok-4 is actually visible instead of guessing from the display name.
Light probe: use minimal input to verify whether xAI returns the same 404, then record the error body.
Compare model facts: context 256,000, input $3, output $15.
supports include_reasoning
supports logprobs
supports max_tokens
supports reasoning

Next action

xAI: Grok 4 model not found 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: 256,000
Price: $3 / $15
Read-only check. Detection data burns after 5 minutes.

Open key checker

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