Model error diagnosis

Google: Gemma 4 31B | model not found

Google: Gemma 4 31B returning 404 / model not found means you should first confirm whether model ID google/gemma-4-31b-it is visible for this Google key, then separate permission, context, capability, rate limit, or route issues.

Model

google/gemma-4-31b-it

Google: Gemma 4 31B

Provider

Google

32 models in catalog

Error type

model not found

model-not-found

Status code

404

global model route

Model error summary

Model

google/gemma-4-31b-it

Error type

model-not-found

Status code

404

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

What this model error usually means

Google: Gemma 4 31B returning 404 / model not found means you should first confirm whether model ID google/gemma-4-31b-it is visible for this Google key, then separate permission, context, capability, rate limit, or route issues.

Model: google/gemma-4-31b-it
Provider: Google
Status code: 404

How to prove it during checking

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

List models: confirm whether google/gemma-4-31b-it is actually visible instead of guessing from the display name.
Light probe: use minimal input to verify whether Google returns the same 404, then record the error body.
Compare model facts: context 262,144, input $0.140, output $0.400.
supports frequency_penalty
supports include_reasoning
supports logit_bias
supports logprobs

Next action

Google: Gemma 4 31B 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: 262,144
Price: $0.140 / $0.400
Read-only check. Detection data burns after 5 minutes.

Open key checker

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