Description
AI Featured Image Generator is a powerful WordPress plugin that adds a “Generate Featured Image” button to your post editor. When clicked, it uses advanced AI image generation APIs from OpenAI to create unique featured images based on your post title, selected style, and optional custom prompt.
Free Features
- OpenAI Integration: Generate stunning images using OpenAI’s powerful image generation API
- Multiple AI Models: Choose between GPT Image 1 (Standard) and GPT Image 1 Mini (Faster & Cheaper)
- Custom Prompt Input: Fine-tune image generation with custom prompts
- 13 Style Presets: None, Realistic, Artistic, Cartoon, Sketch, Watercolor, 3D Render, Pixel Art, Cyberpunk, Fantasy, Anime, Minimalist, Technicolor
- Configurable Image Sizes: 1024×1024 Square, 1024×1536 Portrait, 1536×1024 Landscape
- Output Format Selection: WebP, PNG, or JPEG with WebP as default for optimal compression
- Image Quality Control: Adjust quality from 1-100 for both global settings and individual posts/pages
- Editor Compatibility: Works seamlessly with both Gutenberg and Classic editors
- Multisite Support: Fully compatible with WordPress multisite installations
- Translation Ready: Complete internationalization support
- Text Control: Option to allow or disallow text, captions, or words in generated images
Pro Features 🚀
Upgrade to Pro to unlock additional AI providers and advanced features:
- Google Gemini AI Support: Access cutting-edge Google AI image generation
- Additional AI Models: Gemini 2.5 Flash Image (faster, cheaper) and Gemini 3 Pro Image Preview (better quality)
- 10 Aspect Ratios: 1:1, 2:3, 3:2, 3:4, 4:3, 4:5, 5:4, 9:16, 16:9, 21:9
- Higher Resolutions: 1K/2K/4K resolution options with Gemini 3 Pro
- Smart Dynamic Settings: UI automatically shows only relevant settings for your selected provider
- Provider-Aware Meta Box: Quality slider and other controls automatically show/hide based on selected provider
Requirements
- WordPress 5.8 or higher
- PHP 7.4 or higher
- OpenAI API key (Pro users can also use Google Gemini API key)
External Services
This plugin connects to external AI services to generate AI-powered images for your WordPress posts and pages. The free version uses OpenAI, while Pro users can also choose Google Gemini as their provider.
OpenAI Service (Free & Pro)
When using OpenAI as your provider:
– Your post title and content are sent to OpenAI’s API when you generate a featured image
– Any custom prompt you provide is sent to the API
– Your OpenAI API key is used for authentication with each request
– Image generation requests are sent to OpenAI’s servers when you click the “Generate Featured Image” button
Service Provider: OpenAI
– Terms of Service
– Privacy Policy
– API Documentation
Google Gemini Service (Pro only)
When using Google Gemini as your provider:
– Your post title and content are sent to Google’s Gemini API when you generate a featured image
– Any custom prompt you provide is sent to the API
– Your Google Gemini API key is used for authentication with each request
– Image generation requests are sent to Google’s servers when you click the “Generate Featured Image” button
Service Provider: Google AI (Gemini)
– Terms of Service
– Privacy Policy
– API Documentation
Data Usage:
– Your post content and prompts are processed by the selected AI provider’s models to generate images
– Generated images are stored in your WordPress media library
– No personal data is stored by the providers beyond what’s necessary for API processing
– You are responsible for ensuring your content complies with the selected provider’s usage policies
Screenshots
Settings page 
Post/page editor meta box 
Generated image preview 
Installation
- Upload the
ai-featured-image-generatorfolder to the/wp-content/plugins/directory - Activate the plugin through the ‘Plugins’ menu in WordPress
- Go to Settings AI Featured Image to configure your API key and other settings
FAQ
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Do I need an API key?
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Yes, you need an OpenAI API key. Get one by signing up at OpenAI’s Platform.
Pro users can also use Google Gemini – get an API key at Google AI Studio.
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How much does it cost?
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The plugin itself is free, but you’ll need to pay for API usage according to OpenAI’s pricing (pay per image generation).
Pro users with Gemini: Gemini 2.5 Flash uses 1290 tokens per image, Gemini 3 Pro varies (1210-2000 tokens).
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Can I switch between providers?
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Pro users can switch between OpenAI and Google Gemini. Simply go to Settings AI Featured Image, select your preferred provider, and enter the appropriate API key. The settings page will automatically show only the relevant options for your selected provider.
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Is there a limit to how many images I can generate?
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The limit depends on your API plan and quota with your chosen provider. The plugin generates one image per request.
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What AI models are available?
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Free Version (OpenAI):
– GPT Image 1 (Standard): Consistent, high-quality results
– GPT Image 1 Mini: Faster and more cost-effectivePro Version (Google Gemini):
– Gemini 2.5 Flash Image: Fixed resolutions per aspect ratio, 1290 tokens per image, supports all 10 aspect ratios
– Gemini 3 Pro Image Preview: Multiple resolution options (1K/2K/4K), supports all 10 aspect ratios -
What styles are available?
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The plugin supports 13 different artistic styles (works with both providers):
– None: No specific style applied
– Realistic: Photographic, lifelike images
– Artistic: Painterly, artistic interpretations
– Cartoon: Animated, cartoon-style images
– Sketch: Detailed sketch drawings
– Watercolor: Beautiful watercolor paintings
– 3D Render: High-quality 3D rendered images
– Pixel Art: Retro pixel art style
– Cyberpunk: Vibrant cyberpunk aesthetic
– Fantasy: Magical fantasy art style
– Anime: Detailed anime/manga style
– Minimalist: Clean, minimalist designs
– Technicolor: Vivid, colorful technicolor style -
What aspect ratios does Gemini support? (Pro)
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Pro users with Google Gemini get access to 10 aspect ratios with model-specific resolutions:
All Models (1:1, 3:4, 4:3, 9:16, 16:9):
– Always supported by both Gemini modelsAdditional Ratios (2:3, 3:2, 4:5, 5:4, 21:9):
– Full support varies by model
– Gemini 2.5 Flash: All 10 ratios with fixed resolutions
– Gemini 3 Pro: All 10 ratios with 1K/2K/4K resolution options -
What output formats are supported?
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OpenAI (Free & Pro):
– WebP (Recommended): Best compression and quality balance
– PNG: Lossless format, good for graphics with sharp edges
– JPEG: Widely compatible, good for photographsGoogle Gemini (Pro only):
– PNG (Fixed): Gemini generates images in PNG format only -
How does quality control work?
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OpenAI (Free & Pro):
– Global setting: Set default quality (1-100) in Settings AI Featured Image
– Per-post control: Override quality for individual posts/pages in the meta box
– Higher quality produces larger file sizes but better image detail
– Default quality is set to 90 for optimal balanceGoogle Gemini (Pro only):
– Gemini 2.5 Flash: Fixed resolution per aspect ratio (quality control not applicable)
– Gemini 3 Pro: Choose between 1K, 2K, or 4K resolution options -
Why don’t I see the quality slider in my post editor?
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The quality slider only appears when OpenAI is selected as your provider. Pro users with Google Gemini selected will see resolution options instead of a quality slider.
Reviews
Contributors & Developers
“AI Featured Image Generator” is open source software. The following people have contributed to this plugin.
Contributors
Translate “AI Featured Image Generator” into your language.
Interested in development?
Browse the code, check out the SVN repository, or subscribe to the development log by RSS.
Changelog
1.3.0
- New UI: Completely redesigned settings interface with modern card-based layout
- Top-level Menu: Plugin now has its own top-level admin menu for easier access
- New Pages: Added “Getting Started” guide page with step-by-step instructions
- Pro Plan: Integrated Freemius for Pro plan upgrades and licensing
- Major Feature (Pro): Added Google Gemini AI as a second provider option alongside OpenAI
- Added support for 4 AI models:
- OpenAI (Free): GPT Image 1 and GPT Image 1 Mini
- Google Gemini (Pro): Gemini 2.5 Flash Image and Gemini 3 Pro Image Preview
- Implemented dynamic settings page that shows only relevant options for selected provider
- Added 10 aspect ratios for Gemini Pro (1:1, 2:3, 3:2, 3:4, 4:3, 4:5, 5:4, 9:16, 16:9, 21:9)
- Added model-specific aspect ratio filtering (different ratios for Gemini 2.5 Flash vs 3 Pro)
- Implemented fixed resolutions for Gemini 2.5 Flash (1290 tokens per image)
- Added 1K/2K/4K resolution options for Gemini 3 Pro
- Enhanced meta box to hide quality slider when Gemini is selected
- Reorganized settings fields for better user experience (AI Model moved below AI Provider)
- Added automatic field visibility based on provider and model selection
- Improved JavaScript for dynamic settings updates
- Updated API integration to support both OpenAI and Gemini endpoints
- Added comprehensive aspect ratio documentation with example resolutions
- Enhanced settings with provider-specific descriptions and help text
- Improved error handling for both API providers
- Added Support Forum link in settings sidebar
1.2.1
- Fixed compatibility issue with Classic Editor plugin
- Improved JavaScript functionality for better editor support
- Enhanced meta box rendering for classic editor compatibility
1.2.0
- Added output format selection (WebP, PNG, JPEG) with WebP as default
- Added image quality control (1-100) for both global settings and individual posts/pages
- Added AI model selection (GPT Image 1 Standard vs GPT Image 1 Mini)
- Updated image sizes to support current OpenAI API specifications
- Enhanced settings page with new quality and model controls
- Improved metabox with quality slider and real-time value display
- Added comprehensive CSS styling for quality controls
- Updated API integration to use quality and model parameters
1.1.0
- Improved UI for a smoother experience
- Fixed bug that forced text on image when the option is selected
- Replaced unfriendly error messages with user-friendly messages
- Updated plugin logo from PNG to SVG
- Added a “none” style option and set it as the default
1.0.4
- Added a loader spinner icon
- Improved UI styling
- Activated the feature on the Pages post type
1.0.3
- Added loader spinner icon
- Improved UI
- Activated feature on Pages post type
1.0.0
- Initial release