Model limit probe

Google: Gemma 3n 2B (free) | TPM limit

Google: Gemma 3n 2B (free) TPM limit decides whether a key can enter a production route. TestKey reads model ID google/gemma-3n-e2b-it:free, provider Google, catalog context, real-key headers, 429 errors, and region signals together.

Model

google/gemma-3n-e2b-it:free

Google: Gemma 3n 2B (free)

Provider

Google

32 models in catalog

Limit dimension

TPM limit

tpm-limit

Visible signal

real key probe required

Context window: 8,192

Limit matrix summary

Model

google/gemma-3n-e2b-it:free

Limit dimension

tpm-limit

Visible signal

real key probe required

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

Why this limit matters

Google: Gemma 3n 2B (free) TPM limit decides whether a key can enter a production route. TestKey reads model ID google/gemma-3n-e2b-it:free, provider Google, catalog context, real-key headers, 429 errors, and region signals together.

Model: google/gemma-3n-e2b-it:free
Provider: Google
Limit dimension: TPM limit

How to prove it

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

Start with the visible signal: real key probe required, then read headers and error bodies with read-only requests.
TPM limit must bind model ID google/gemma-3n-e2b-it:free; limits from another model at the same provider cannot be reused.
TPM limit · real key probe required · 8,192

Operator action

Google: Gemma 3n 2B (free) TPM 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: real key probe required
Context window: 8,192

Open key checker

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

Open models

Google: Gemma 3n 2B (free)

Open providers

Google