Google

Gemini 3 PRO Image Preview

Name: Gemini 3 PRO Image Preview
Brand: Google
Price: 2 USD
Availability: InStock

Gemini 3 PRO Image Preview is a multimodal model by Google with support for image generation, vision, web search, prompt caching, and structured output. It supports a 66K token context window with up to 33K tokens of output. Priced at $2 per million input tokens and $12 per million output tokens. Access Gemini 3 PRO Image Preview through Inworld Router with OpenAI SDK compatibility, built-in failover, and intelligent routing across providers.

→Web SearchPrompt CachingResponse SchemaVision

Use This Model

Step 1 — Create Router

curl --location 'https://api.inworld.ai/router/v1/routers' \
--header 'Authorization: Basic <your-api-key>' \
--header 'Content-Type: application/json' \
--data '{
  "name": "compare-frontier-models",
  "defaultRoute": {
    "route_id": "default",
    "variants": [
      {
        "variant": {
          "variant_id": "google-ai-studio/gemini-3-pro-image-preview-a",
          "model_id": "google-ai-studio/gemini-3-pro-image-preview"
        },
        "weight": 33
      },
      {
        "variant": {
          "variant_id": "google-vertex/gemini-3-pro-image-preview-b",
          "model_id": "google-vertex/gemini-3-pro-image-preview"
        },
        "weight": 33
      },
      {
        "variant": {
          "variant_id": "google-ai-studio/gemini-2.0-flash-c",
          "model_id": "google-ai-studio/gemini-2.0-flash"
        },
        "weight": 34
      }
    ]
  }
}'

import requests

response = requests.post(
    "https://api.inworld.ai/router/v1/routers",
    headers={
        "Authorization": "Basic <your-api-key>",
        "Content-Type": "application/json",
    },
    json={
        "name": "compare-frontier-models",
        "defaultRoute": {
            "route_id": "default",
            "variants": [
                {
                    "variant": {
                        "variant_id": "google-ai-studio/gemini-3-pro-image-preview-a",
                        "model_id": "google-ai-studio/gemini-3-pro-image-preview"
                    },
                    "weight": 33
                },
                {
                    "variant": {
                        "variant_id": "google-vertex/gemini-3-pro-image-preview-b",
                        "model_id": "google-vertex/gemini-3-pro-image-preview"
                    },
                    "weight": 33
                },
                {
                    "variant": {
                        "variant_id": "google-ai-studio/gemini-2.0-flash-c",
                        "model_id": "google-ai-studio/gemini-2.0-flash"
                    },
                    "weight": 34
                }
            ]
        }
    },
)
print(response.json())

const response = await fetch(
  "https://api.inworld.ai/router/v1/routers",
  {
    method: "POST",
    headers: {
      Authorization: "Basic <your-api-key>",
      "Content-Type": "application/json",
    },
    body: JSON.stringify({
      name: "compare-frontier-models",
      defaultRoute: {
        route_id: "default",
        variants: [
          {
            variant: {
              variant_id: "google-ai-studio/gemini-3-pro-image-preview-a",
              model_id: "google-ai-studio/gemini-3-pro-image-preview",
            },
            weight: 33,
          },
          {
            variant: {
              variant_id: "google-vertex/gemini-3-pro-image-preview-b",
              model_id: "google-vertex/gemini-3-pro-image-preview",
            },
            weight: 33,
          },
          {
            variant: {
              variant_id: "google-ai-studio/gemini-2.0-flash-c",
              model_id: "google-ai-studio/gemini-2.0-flash",
            },
            weight: 34,
          },
        ],
      },
    }),
  }
);
const data = await response.json();
console.log(data);

Step 2 — Chat Completion

curl --location 'https://api.inworld.ai/v1/chat/completions' \
--header 'Authorization: Basic <your-api-key>' \
--header 'Content-Type: application/json' \
--data '{
  "model": "inworld/compare-frontier-models",
  "messages": [{"role": "user", "content": "Hello!"}]
}'

Gemini 3 PRO Image Preview pricing and providers

Access Gemini 3 PRO Image Preview through Inworld Router or Realtime API via 2 inference providers. Compare pricing and specs across providers below.

					Capabilities	Input modalities	Output modalities
Google AI Studio	65.5K	32.8K	$2.00	$12.00	+1
Google Vertex	65.5K	32.8K	$2.00	$12.00	+1

Other Google models available through Inworld

Compare Gemini 3 PRO Image Preview with other Google models available through Inworld Router or Realtime API.

					Capabilities
Gemini 2.0 Flash	1M	8.2K	$0.10	$0.40	+2
Gemini 2.0 Flash 001	1M	8.2K	$0.15	$0.60	+2
Gemini 2.0 Flash Lite	1M	8.2K	$0.075	$0.30	+2
Gemini 2.0 Flash Lite 001	1M	8.2K	$0.075	$0.30	+2
Gemini 2.5 Flash	1M	65.5K	$0.30	$2.50	+3
Gemini 2.5 Flash Image	32.8K	32.8K	$0.30	$2.50	+1
Gemini 2.5 Flash Lite	1M	65.5K	$0.10	$0.40	+3
Gemini 2.5 Flash Lite Preview 09 2025	1M	65.5K	$0.10	$0.40	+3
Gemini 2.5 PRO	1M	65.5K	$1.25	$10.00	+3
Gemini 3 Flash Preview	1M	65.5K	$0.50	$3.00	+3
Gemini 3.1 Flash Image Preview	65.5K	32.8K	$0.50	$3.00	+1
Gemini 3.1 Flash Lite Preview	1M	65.5K	$0.25	$1.50	+3
Gemini 3.1 PRO Preview	1M	65.5K	$2.00	$12.00	+3
Gemini 3.1 PRO Preview Customtools	1M	65.5K	$2.00	$12.00	+3
Gemini Flash Latest	1M	65.5K	$0.30	$2.50	+3
Gemini Flash Lite Latest	1M	65.5K	$0.10	$0.40	+3
Gemini PRO Latest	1M	65.5K	$1.25	$10.00	+3
Gemma 3 12b	131.1K	131.1K	$0.04	$0.13
Gemma 3 27b	131.1K	131.1K	$0.08	$0.16
Gemma 3 4b	131.1K	131.1K	$0.04	$0.08

Start building with Gemini 3 PRO Image Preview

Access Gemini 3 PRO Image Preview and every other model through Inworld Router or Realtime API. Create your free account and start routing in minutes.

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