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Media generation
gemini-3.1-flash-image-preview API pricing
Google's Gemini series — very long context windows and strong multimodal input.
Model ID
gemini-3.1-flash-image-previewImage generation
Call summary
image
$0.50per image
Context Window
N/A
API Endpoints
1
Available Configurations
1
gemini-3.1-flash-image-preview API endpoints
One API key — call this model through any of the endpoints below.
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More Gemini models on Router One
Same gateway, same API key. Each page lists that model's endpoints, posted price, and context window.
gemini-3.1-pro-preview$6.00 in / $18.00 out per 1M1.05M contextgemini-3.5-flash$0.45 in / $2.70 out per 1M1.05M contextgemini-3.6-flash$0.45 in / $2.70 out per 1M1.05M contextgemini-3.7-flash$0.225 in / $1.125 out per 1M1.05M contextgemini-3-flash-preview$1.20 in / $8.00 out per 1M1.05M contextgemini-3-pro-image-preview$0.50 per imagegemini-3-pro-preview-11-2025$0.882 in / $7.00 out per 1M1.05M context
Start using gemini-3.1-flash-image-preview
Create an API key and call gemini-3.1-flash-image-preview on Router One — pay as you go, with per-request cost and latency visibility.