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gemini-3-1-flash-image-preview

Gemini-3.1-Flash-Image-Preview is a lightweight image generation and understanding preview model provided by Google.

Text to imageVisual assetsSimple API

服务亮点

  • 99.9% SLA
  • Official discount
  • Usage-based billing
  • Low latency
查看详细价格
Input
Reference image
Click to upload reference imageOptional. Use for image-to-image or editing workflows.
Output

Result 1

Clean background with centered product.

#1

Result 2

Stronger side light and premium texture.

#2

Result 3

Ready for homepage hero cropping.

#3

gemini-3.1-flash-image-preview Examples

Common image generation scenarios and parameters

👆 Click on any example above to view full details, prompt, and parameters

Pricing details

Transparent usage-based pricing with no hidden fees.

Detailed Pricing

Usage-based pricing breakdown

ItemModePrice
Output Image 1KPer imageShown in dashboard
Output Image 2KPer imageShown in dashboard
Output Image 4KPer imageShown in dashboard
Reference ImageInputShown in dashboard

Billing Rules

  • Output price varies by model, resolution, quality, duration, or token usage.
  • Uploaded reference files may be charged separately when supported.
  • Add-on capabilities such as web search or image search may be billed per request.
  • Token-based models are billed by input and output tokens.
  • If the primary route is unavailable, Velokey may automatically switch to a stable fallback route when possible.
  • Usage is pay-as-you-go with transparent credit deduction.

* Final cost depends on the generated result.

Related models

Explore other models in the same family.

Affordable gemini-3.1-flash-image-preview API For AI Image Generation

Build powerful imaging features with gemini-3.1-flash-image-preview on Velokey - affordable 2K/4K output, smarter prompt understanding, and consistent character rendering for production-ready applications.

Introducing the Newly Released gemini-3.1-flash-image-preview and Its API Integration

gemini-3.1-flash-image-preview marks the next stage in high-fidelity image generation. It introduces sharper structural accuracy, improved character consistency, more precise text rendering, and cleaner material details. Velokey provides an affordable and integration-friendly way to use the gemini-3.1-flash-image-preview API, offering simplified pricing and a clean request workflow that fits directly into production systems, creative pipelines, or automated tools.

4K High-Fidelity Rendering with gemini-3.1-flash-image-preview API

The gemini-3.1-flash-image-preview API delivers high-fidelity image generation with sharp material detail, stable identity preservation, and consistent lighting across complex scenes, enabling production-grade clarity for product visualization, design tools, automated creative pipelines, and high-resolution content workflows.

View Documentation →

Structured Typography in gemini-3.1-flash-image-preview API

The gemini-3.1-flash-image-preview API provides reliable text placement and layout accuracy for posters, diagrams, UI concepts, and labeling tasks. It interprets typographic instructions with clarity for controlled text-to-image generation.

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Context-Aware Visual Reasoning with gemini-3.1-flash-image-preview

The gemini-3.1-flash-image-preview API can create scientific diagrams, annotated illustrations, instructional graphics, and data-driven imagery that follow logical relationships and real-world structure.

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Multi-Object Scene Consistency via gemini-3.1-flash-image-preview API

The gemini-3.1-flash-image-preview API maintains stable lighting, perspective, and material consistency across complex multi-object scenes. It understands spatial relationships and object interactions for coherent creative workflows.

View Documentation →

How to Deploy the gemini-3.1-flash-image-preview API on Velokey

Get started with our product in just a few simple steps...

1

Register on Velokey to Get Your gemini-3.1-flash-image-preview API Key

Create or sign in to your Velokey developer account to access your dashboard, where you can generate and manage your gemini-3.1-flash-image-preview API key. This key is required for authenticated requests when calling the gemini-3.1-flash-image-preview API.

2

Test gemini-3.1-flash-image-preview API Behavior in the Velokey Playground

Use the Velokey Playground to test prompt structures, aspect ratios, editing workflows, and output behavior before writing code. The Playground reflects the runtime behavior of the gemini-3.1-flash-image-preview API so you can refine parameters interactively.

3

Integrate and Start Generating

Integrate the Velokey API endpoint into your application, set the model parameter to gemini-3-1-flash-image-preview, and start generating high-quality results. Use the unified API interface to access all models.

How the gemini-3.1-flash-image-preview API Advances Beyond the Original Model

The comparison below highlights the key technical differences between the two versions.

Feature CategoryOriginal Modelgemini-3.1-flash-image-preview
Image ResolutionTypically around 1024x1024Supports 1K, 2K, and 4K generation with enhanced scaling and clarity
Detail AccuracySofter textures, occasional distortionsSharper micro-details, cleaner edges, more realistic surfaces
Text RenderingFrequent misspellings or blurry textImproved text clarity and accuracy with multilingual support

Why Developers Choose Velokey for gemini-3.1-flash-image-preview API Integration

💰

Affordable gemini-3.1-flash-image-preview API Pricing

Velokey offers competitive pricing for the gemini-3.1-flash-image-preview API, making high-performance generation accessible for developers at any scale. With a flexible pay-as-you-go credit model and no mandatory subscriptions, teams can avoid heavy upfront costs.

📚

Comprehensive gemini-3.1-flash-image-preview API Documentation & Integration Guides

Velokey provides well-structured gemini-3.1-flash-image-preview API documentation, including endpoint references, parameter details, code samples, and implementation best practices from testing to production deployment.

🔑

Unified API Interface

Through Velokey's unified API, access gemini-3.1-flash-image-preview and other models with just one API key. No need to manage multiple accounts and keys, simplifying integration and reducing maintenance costs.

⚡

99.9% High Availability Guarantee

Velokey provides automatic failover and stable backup routing, helping maintain 99.9% availability for the gemini-3.1-flash-image-preview API and production stability when a primary route is unavailable.

API Reference

Complete API call examples and parameter descriptions

Endpoint

https://api.velokey.ai/v1/images/generations

Authentication

Bearer YOUR_API_KEY

Request Example

curl https://api.velokey.ai/v1/images/generations \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gemini-3-1-flash-image-preview",
    "prompt": "A premium product photo...",
    "size": "1024x1024",
    "quality": "high"
  }'

Response Example

{
  "id": "req_abc123",
  "model": "gemini-3-1-flash-image-preview",
  "created": 1234567890,
  "data": { ... }
}

gemini-3.1-flash-image-preview API FAQ

What is the gemini-3.1-flash-image-preview API?

gemini-3.1-flash-image-preview is available through Velokey as a image model. Set model to gemini-3-1-flash-image-preview and use the family-specific endpoint.

Which parameters does gemini-3.1-flash-image-preview use?

The playground shows the main fields for gemini-3.1-flash-image-preview, including the model id and the most important generation parameters.

How is gemini-3.1-flash-image-preview billed?

Pricing is shown on this page when available, and credits are managed from one Velokey account.

Who should use gemini-3.1-flash-image-preview?

It fits teams that want to test, compare, and ship AI capabilities through a unified API.

Start building with gemini-3.1-flash-image-preview today

Use one API key to access low-cost, stable AI models through Velokey.

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