Model limit probe

Google: Gemini 3.1 Pro Preview Custom Tools | max output limit

Google: Gemini 3.1 Pro Preview Custom Tools max output limit decides whether a key can enter a production route. TestKey reads model ID google/gemini-3.1-pro-preview-customtools, provider Google, catalog context, real-key headers, 429 errors, and region signals together.

Model

google/gemini-3.1-pro-preview-customtools

Google: Gemini 3.1 Pro Preview Custom Tools

Provider

Google

32 models in catalog

Limit dimension

max output limit

max-output

Visible signal

catalog visible

Context window: 1,048,576

Limit matrix summary

Model

google/gemini-3.1-pro-preview-customtools

Limit dimension

max-output

Visible signal

catalog visible

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

Why this limit matters

Google: Gemini 3.1 Pro Preview Custom Tools max output limit decides whether a key can enter a production route. TestKey reads model ID google/gemini-3.1-pro-preview-customtools, provider Google, catalog context, real-key headers, 429 errors, and region signals together.

Model: google/gemini-3.1-pro-preview-customtools
Provider: Google
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 google/gemini-3.1-pro-preview-customtools; limits from another model at the same provider cannot be reused.
max output limit · catalog visible · 1,048,576

Operator action

Google: Gemini 3.1 Pro Preview Custom Tools 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: 1,048,576

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