Gemini 3 Pro Image API

Image model · model id gemini-3-pro-image-preview

Gemini 3 Pro Image is an image-generation model available through G0I. Generate images from text prompts using the same API key and endpoint you use for every other model on the platform.

How to call Gemini 3 Pro Image

G0I is OpenAI-compatible. Point your client at https://g0i.ai/v1, set the model field to gemini-3-pro-image-preview, and generate an image via /v1/images/generations:

curl https://g0i.ai/v1/images/generations \
  -H "Authorization: Bearer $G0I_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"gemini-3-pro-image-preview","prompt":"a red apple on a table"}'

Why use Gemini 3 Pro Image through G0I

One API key — Gemini 3 Pro Image plus 470+ other models, no separate provider account.
OpenAI-compatible — works with the OpenAI SDK and any compatible tooling.
Switch freely — change the model field to compare Gemini 3 Pro Image against other models with zero code changes.
Start free — create an account and test with a free token quota.

Get an API key — use Gemini 3 Pro Image now →

Browse the full model catalog, read the quickstart, or see pricing. Looking for an OpenAI API alternative or a unified AI API? G0I covers it.