Model error diagnosis

Google: Gemini 3.1 Pro Preview Custom Tools | model rate limited

Google: Gemini 3.1 Pro Preview Custom Tools returning 429 / model rate limited means you should first confirm whether model ID google/gemini-3.1-pro-preview-customtools is visible for this Google key, then separate permission, context, capability, rate limit, or route issues.

Model

google/gemini-3.1-pro-preview-customtools

Google: Gemini 3.1 Pro Preview Custom Tools

Provider

Google

32 models in catalog

Error type

model rate limited

rate-limited

Status code

429

global model route

Model error summary

Model

google/gemini-3.1-pro-preview-customtools

Error type

rate-limited

Status code

429

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

What this model error usually means

Google: Gemini 3.1 Pro Preview Custom Tools returning 429 / model rate limited means you should first confirm whether model ID google/gemini-3.1-pro-preview-customtools is visible for this Google key, then separate permission, context, capability, rate limit, or route issues.

Model: google/gemini-3.1-pro-preview-customtools
Provider: Google
Status code: 429

How to prove it during checking

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

List models: confirm whether google/gemini-3.1-pro-preview-customtools is actually visible instead of guessing from the display name.
Light probe: use minimal input to verify whether Google returns the same 429, then record the error body.
Compare model facts: context 1,048,576, input $2, output $12.
supports include_reasoning
supports max_tokens
supports reasoning
supports response_format

Next action

Google: Gemini 3.1 Pro Preview Custom Tools model rate limited 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: 1,048,576
Price: $2 / $12
Read-only check. Detection data burns after 5 minutes.

Open key checker

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

Open models

Google: Gemini 3.1 Pro Preview Custom Tools

Open providers

Google