Model capability probe

Google: Nano Banana Pro (Gemini 3 Pro Image Preview) | image output

Whether Google: Nano Banana Pro (Gemini 3 Pro Image Preview) supports image output cannot be decided from the name alone. Check model ID google/gemini-3-pro-image-preview, provider Google, catalog params, modality, a lightweight runtime probe, and the error body together.

Model

google/gemini-3-pro-image-preview

Google: Nano Banana Pro (Gemini 3 Pro Image Preview)

Provider

Google

32 models in catalog

Capability

image output

image-output

Catalog signal

catalog signal is likely

Context: 65,536

Capability probe summary

Model

google/gemini-3-pro-image-preview

Capability

image-output

Catalog signal

catalog signal is likely

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

How to judge this capability

Whether Google: Nano Banana Pro (Gemini 3 Pro Image Preview) supports image output cannot be decided from the name alone. Check model ID google/gemini-3-pro-image-preview, provider Google, catalog params, modality, a lightweight runtime probe, and the error body together.

Model: google/gemini-3-pro-image-preview
Provider: Google
Capability: image output

How to prove it during checking

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

Start with the catalog signal: catalog signal is likely, then verify with a real key in read-only mode.
The capability probe must bind model ID google/gemini-3-pro-image-preview; do not test another model from the same provider.
image output · supports include_reasoning · supports max_tokens · supports reasoning · supports response_format

Next action

Google: Nano Banana Pro (Gemini 3 Pro Image Preview) image output should turn into an operator action: confirm sale tags, fill the capability matrix, change route, suggest a fallback model, or mark unsupported for now.

Read-only check. Detection data burns after 5 minutes.
Catalog signal: catalog signal is likely
Context: 65,536

Open key checker

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

Open models

Google: Nano Banana Pro (Gemini 3 Pro Image Preview)

Open providers

Google