Gemini 3 Pro Image Preview API

Overview

About this model

Gemini 3 Pro Image generation model aimed at professional visual creation, suitable for commercial illustrations, creative design, and complex scene expression. Supports 1K / 2K / 4K. Billing notes: different resolutions use different price tiers, 1K / 2K base unit price is $0.031, 4K is $0.050. Per-call billing is charged per successful request; per-image generation mode accumulates by number of images. The above are base prices in USD; the actual cost will also apply the selected channel and user group multipliers.

Capabilities

Capability matrix

Pricing and groups

Routes and pricing

Per-request models are marked “/ request”. Other prices are in USD per 1M tokens. Rates follow provider adjustments; live prices in Model Explorer as the reference.

Snapshot: 2026-10-07 23:09. Availability reflects active probes over the past 24 hours; performance reflects actual calls.

API

Integration example

All models share one OpenAI-compatible endpoint. To switch models, change the model field. One key accesses every model.

curl https://api.yomiapi.com/v1/chat/completions \
  -H "Authorization: Bearer sk-your-yomi-key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gemini-3-pro-image-preview",
    "messages": [{"role": "user", "content": "Hello"}]
  }'