Title: Calliope
Author: homio13
Published: <strong>January 1, 2026</strong>
Last modified: February 23, 2026

---

Search plugins

![](https://ps.w.org/calliope/assets/icon-256x256.png?rev=3430922)

# Calliope

 By [homio13](https://profiles.wordpress.org/homio13/)

[Download](https://downloads.wordpress.org/plugin/calliope.3.2.0.zip)

 * [Details](https://pcd.wordpress.org/plugins/calliope/#description)
 * [Reviews](https://pcd.wordpress.org/plugins/calliope/#reviews)
 *  [Installation](https://pcd.wordpress.org/plugins/calliope/#installation)
 * [Development](https://pcd.wordpress.org/plugins/calliope/#developers)

 [Support](https://wordpress.org/support/plugin/calliope/)

## Description

**Generate Professional-Quality Content Automatically, 24/7**

Stop struggling with content creation. Calliope automatically generates professional-
quality articles around the clock, giving you more time to focus on growing your
business while maintaining consistent, high-quality content output. Perfect for 
bloggers who can’t find time to write, businesses struggling with content costs,
and anyone who wants to scale their content marketing efforts.

**Calliope** is a powerful WordPress plugin that leverages advanced AI technology
to automatically generate professional-quality, SEO-optimized content for your website.
Whether you’re running a blog, news site, or content marketing platform, Calliope
works 24/7 to create engaging articles that read like they were written by professional
writers.

#### 🎯 **Key Features**

 * **⚡ 36x Faster Content Creation**: Generate articles in 5 minutes instead of
   3 hours
 * **💰 Massive Cost Savings**: Save $75,000 monthly vs. outsourcing (15 articles)
 * **🤖 24/7 Full Automation**: Set it up once and let it generate content continuously
 * **📈 Automatic SEO Optimization**: Generate content optimized for search engines
 * **🎨 Professional Quality**: AI-generated content that matches professional writing
   standards
 * **🛡️ Risk-Free Trial**: Try with 3 free articles before deciding

#### 🚀 **How It Works**

 1. **Setup** (10 minutes): Configure your AI API keys and preferences
 2. **Keywords**: Add topics and keywords you want to create content about
 3. **Automate**: Calliope automatically generates professional-quality content based
    on your keywords
 4. **Review**: Optionally review and customize generated content before publishing
 5. **Publish**: Automatically post or schedule your content as needed

#### 💼 **Ideal For**

 * **Blog Owners**: Maintain consistent, professional content output 24/7
 * **Content Marketers**: Scale your content marketing efforts automatically
 * **Affiliate Marketers**: Generate professional product reviews and comparison
   articles
 * **Business Owners**: Create company blogs and newsletters automatically
 * **SEO Professionals**: Build keyword-optimized content at scale
 * **Anyone** who wants professional-quality content generation automation

#### 📊 **Proven Results & ROI**

 * **36x Efficiency Increase**: 3 hours  5 minutes per article
 * **Massive Cost Reduction**: $75,000 monthly outsourcing  $20/month with Calliope
 * **Time Savings**: Save 60 hours monthly (20 articles × 3 hours)
 * **Revenue Protection**: Prevent losing search rankings to competitors
 * **Professional Quality**: Content indistinguishable from human writers
 * **24/7 Automation**: Content generation while you sleep

#### 🔥 **Why Choose Calliope?**

 * **WordPress Native**: Built specifically for WordPress, seamless integration
 * **Advanced AI Technology**: Latest GPT-5, GPT-4o and ChatGPT technology
 * **Automatic SEO**: Built-in keyword optimization and search-friendly formatting
 * **Competitive Analysis**: Automatically analyze competitors and generate winning
   content
 * **100% Automation**: From analysis to publication, completely hands-free
 * **Professional Support**: 24/7 expert assistance available

### Support

**24/7 Expert Support Available**

 * 📧 **Email Support**: Get help via our support system
 * 💬 **Live Chat**: Real-time assistance when you need it
 * 📞 **Phone Support**: Direct support for urgent issues
 * 📚 **Documentation**: Comprehensive guides and tutorials

Visit our [WordPress.org support forum](https://wordpress.org/support/plugin/calliope/)
for immediate assistance.

### Pricing

**Start Free, Scale as You Grow**

 * **🆓 Free Plan**: 3 articles per month (Perfect for testing)
 * **💼 Standard**: $20/month for 15 articles (Most popular)
 * **🚀 Premium**: $30/month for unlimited articles (For power users)

**Risk-Free Guarantee**: Try 3 articles free, cancel anytime, no commitments.

### External Services

This plugin relies on the following third-party external services to provide its
core functionality:

#### OpenAI API

**Purpose**: Generates AI-powered article content using GPT models.

**Data Sent**: Article keywords, custom prompts, language settings, and content 
generation parameters.

**When**: Every time an article is generated (either manually via test generation
or automatically via scheduled cron jobs).

**Service Provider**: OpenAI, L.L.C.
 * Terms of Service: https://openai.com/policies/
terms-of-use * Privacy Policy: https://openai.com/policies/privacy-policy

#### Google Custom Search API

**Purpose**: Performs competitor research and gathers related information for article
generation.

**Data Sent**: Search keywords and search parameters.

**When**: During the article generation process when competitor research is enabled.

**Service Provider**: Google LLC
 * Terms of Service: https://developers.google.
com/terms * Privacy Policy: https://policies.google.com/privacy

#### Calliope User Registration Service

**Purpose**: Registers WordPress admin email for subscription management and plugin
usage tracking.

**Data Sent**: WordPress admin email address.

**When**: During plugin activation (one-time registration).

**Service URL**: https://us-central1-calliope-89149.cloudfunctions.net/registerPluginUser
*
This service registers users in Firestore and creates a free Stripe subscription

#### Calliope Stripe Handler Service

**Purpose**: Manages subscription billing and payment processing.

**Data Sent**: User email addresses and subscription plan selections.

**When**: During subscription registration, plan changes, and cancellation.

**Service URL**: https://stripehandler-3arzn46uba-uc.a.run.app
 * This service acts
as an intermediary to Stripe’s payment processing system * Stripe Terms of Service:
https://stripe.com/legal/consumer * Stripe Privacy Policy: https://stripe.com/privacy

#### Calliope Article Generator Service

**Purpose**: Generates complete articles including competitor research, content 
creation, and permalink generation.

**Data Sent**: User email, feed settings (keyword, related keywords, language, custom
prompt), OpenAI API key, and GPT model version.

**When**: During article generation (manual test or scheduled automatic generation).

**Service URL**: https://us-central1-calliope-89149.cloudfunctions.net/generateArticle
*
This service orchestrates the complete article generation process in a single request*
Integrates with OpenAI API for content generation * Integrates with Google Custom
Search API for competitor research

**Important Privacy Note**: By using this plugin, you acknowledge that your data
will be transmitted to these external services as described above. Please review
each service’s terms and privacy policies to ensure compliance with your local regulations
and user agreements.

### Credits

Calliope is developed with ❤️ for the WordPress community by content creators, for
content creators.

**Special Thanks To:**
 * **OpenAI** for providing the revolutionary AI technology***
WordPress Community** for the amazing platform * **Our Beta Users** for valuable
feedback and testing

**Built for 24/7 professional content generation automation.**

## Screenshots

 * [[
 * **Main Dashboard**: Overview of automated content generation and analytics
 * [[
 * **Keyword Management**: Easy keyword and topic organization for automation
 * [[
 * **Content Generation Settings 1**: Customize AI parameters and prompts
 * [[
 * **Content Generation Settings 2**: Advanced AI customization options
 * [[
 * **Basic Settings**: Plugin basic configuration

## Installation

 1. Upload the `calliope` folder to the `/wp-content/plugins/` directory
 2. Activate the plugin through the ‘Plugins’ menu in WordPress
 3. Go to Calliope settings to configure your OpenAI API key
 4. Add your first keywords and start automated content generation
 5. Enjoy 24/7 professional-quality content creation!

## FAQ

### What AI models does Calliope support?

Calliope supports multiple AI models including GPT-5, GPT-4o and other OpenAI models.
You can choose the model that best fits your needs and budget.

### Do I need an OpenAI API key?

Yes, you’ll need a valid OpenAI API key to use Calliope. You can get one by signing
up at [OpenAI’s website](https://platform.openai.com/). Costs vary depending on 
the model and usage.

### Is technical knowledge required?

No technical knowledge required! Calliope is designed as a WordPress plugin that
works like any other plugin. Setup takes just 10 minutes.

### How good is the generated content quality?

Excellent! Calliope uses ChatGPT technology to generate content that reads like 
it was written by a professional. Many users report that the quality is indistinguishable
from human-written content.

### Can I customize the content generation prompts?

Yes, Calliope allows you to create custom prompts to tailor content generation to
your specific needs and writing style.

### Is the generated content unique?

Yes, Calliope generates unique content for each request. The AI creates original
content based on your keywords and prompts.

### Can I schedule content publication?

Yes, Calliope includes advanced scheduling features that allow you to automatically
publish content at specific times.

### Will Calliope affect my existing WordPress site?

No, Calliope works seamlessly with all WordPress themes and doesn’t interfere with
existing functionality.

### What about SEO optimization?

Calliope automatically optimizes content for SEO, including keyword integration,
proper structure, and search-friendly formatting.

### Is there a free trial?

Yes! You can try Calliope with 3 free articles before deciding to upgrade.

### Can I cancel anytime?

Absolutely! There are no long-term contracts or commitments. Cancel anytime with
one click.

## Reviews

There are no reviews for this plugin.

## Contributors & Developers

“Calliope” is open source software. The following people have contributed to this
plugin.

Contributors

 *   [ homio13 ](https://profiles.wordpress.org/homio13/)

[Translate “Calliope” into your language.](https://translate.wordpress.org/projects/wp-plugins/calliope)

### Interested in development?

[Browse the code](https://plugins.trac.wordpress.org/browser/calliope/), check out
the [SVN repository](https://plugins.svn.wordpress.org/calliope/), or subscribe 
to the [development log](https://plugins.trac.wordpress.org/log/calliope/) by [RSS](https://plugins.trac.wordpress.org/log/calliope/?limit=100&mode=stop_on_copy&format=rss).

## Changelog

#### 3.2.0

 * 🚀 **Major Architecture Update**: Migrated article generation to Cloud Functions
   for improved reliability
 * ⚡ **Stability**: Eliminated race conditions in the 3-stage cron pipeline by 
   consolidating into single Cloud Functions call
 * 🎯 **Performance**: Article generation now completes in a single synchronous 
   request (up to 9 minutes timeout)
 * 🔧 **Backend**: Added new generateArticle Cloud Function with OpenAI integration,
   competitor research, and permalink generation
 * 📈 **Success Rate**: Significantly improved article generation success rate (
   targeting 95%+ from previous 5%)

#### 3.1.2

 * 🔧 **Bug Fix**: Fixed issue where upgrading from Free plan to paid plans was 
   not working (button appeared unresponsive)
 * 🎯 **Improvement**: Free plan users now correctly see “Register” button for paid
   plans, redirecting to Stripe Checkout for payment setup
 * 💬 **UX**: Added error message display when plan update API fails

#### 3.1.1

 * 🔧 **Bug Fix**: Fixed tracking events (plugin_install/plugin_uninstall) firing
   during plugin updates
 * 📊 **Analytics**: plugin_uninstall event now only fires when plugin is deleted(
   not deactivated)

#### 3.1.0

 * 🚀 **Simplified Onboarding**: Removed user registration/login requirement – plugin
   now uses WordPress authentication
 * 🆓 **Automatic Free Plan**: Free plan (3 articles/month) is automatically activated
   on plugin installation
 * 🧹 **Code Cleanup**: Removed Firebase Authentication dependency, simplified codebase
 * 🗄️ **Database**: Removed calliope_user table (no longer needed)

#### 3.0.17

 * 🔧 **Bug Fix**: Improved scheduler to use unique hook names per feed to prevent
   cron event conflicts when processing multiple feeds simultaneously

#### 3.0.16

 * 🔧 **Bug Fix**: Fixed issue where articles were not generated correctly when 
   running automatic generation scheduler with multiple feeds

#### 3.0.15

 * 🔧 **Refactor**: Unified log levels (Logger::info/error/debug) for better log
   management
 * 🔧 **Refactor**: Reorganized API clients into Api directory (OpenAiClient, GoogleCseClient)
 * 🔧 **Refactor**: Simplified AutoGenerator directory structure

#### 3.0.14

 * 🔧 **Bug Fix**: Fixed `<style>` tags being stripped by `wp_update_post` during
   permalink update

#### 3.0.13

 * 🔍 **Diagnostic**: Changed to use generic `logger` event for diagnostics

#### 3.0.12

 * 🔍 **Diagnostic**: Added tracking for `<style>` tag preservation issue investigation

#### 3.0.11

 * 🔧 **Bug Fix**: Fixed embedded HTML `<style>` tags being stripped by WordPress
   during post save

#### 3.0.10

 * 🔧 **Bug Fix**: Fixed database column name mismatch (calliope_feeds_id  feeds_id)
   causing article generation to fail on some environments

#### 3.0.9

 * 🔧 **Bug Fix**: Fixed article generation failure caused by 4-byte UTF-8 characters(
   emoji) in generated content
 * 🗄️ **Database**: Migrated title and contents columns in feeds_schedule table 
   to utf8mb4 charset
 * 📊 **Logging**: Added error logging for database update failures to improve debugging

#### 3.0.8

 * 🔧 **Bug Fix**: Fixed embedded HTML not saving issue in feed edit page
 * 🛡️ **WAF Bypass**: Implemented Base64 encoding to prevent WAF blocking when saving
   HTML content
 * 🎨 **Emoji Support**: Added utf8mb4 support for embedded HTML field to allow 
   emoji characters

#### 3.0.7

 * 🔒 **Security**: Moved Google CSE API credentials to server-side for enhanced
   security
 * 📊 **Analytics**: Added GA4 event tracking for user behavior analysis

#### 3.0.6

 * 🔧 **Bug Fix**: Added custom PSR-4 autoloader to fix class loading error during
   plugin activation

#### 3.0.5

 * 🔧 **Bug Fix**: Resolved PHP library naming conflict to improve compatibility
   with other plugins

#### 3.0.4

 * 🔧 **Bug Fix**: Performance improvements and stability enhancements

#### 3.0.3

 * ⚡ **Article Generation Performance Optimization**: Improved SEO strategies and
   content quality

#### 3.0.2

 * 🔧 **Bug Fix**: Performance improvements and stability enhancements

#### 3.0.1

 * 🔧 **Bug Fix**: Performance improvements and stability enhancements

#### 3.0.0

 * 🔧 **Refactoring**: Major refactoring of internal code

#### 2.10.0

 * 🔧 **Bug Fix**: Performance improvements and stability enhancements

#### 2.9.0

 * 🎉 **WordPress.org Release**: Official launch on WordPress plugin directory
 * 🔧 **Enhanced Security**: Improved security measures and data protection
 * ⚡ **Performance Optimization**: Faster content generation and better resource
   usage
 * 🌍 **Internationalization**: Full multilingual support
 * 🛡️ **WordPress Standards**: Complete compliance with WordPress coding standards

#### 2.8.0

 * 🤖 **Advanced AI Models**: Support for latest GPT-4o and GPT-4o-mini
 * 📈 **SEO Enhancement**: Improved keyword optimization features
 * 🎨 **Custom Prompts**: Advanced prompt customization features
 * 🔧 **Bug Fixes**: Performance improvements and stability enhancements

#### 2.7.0

 * ⏰ **Smart Scheduling**: Advanced content scheduling and automation
 * 🎯 **Targeted Content**: Improved content targeting and personalization
 * 📊 **Analytics**: Enhanced content performance tracking
 * 🔒 **Security**: Additional security measures and data protection

#### 2.6.0

 * 🌟 **Multi-Model Support**: Support for various AI models
 * 📝 **Content Management**: Improved content organization and editing
 * 🔍 **SEO Tools**: Advanced SEO optimization features
 * ⚡ **Performance**: Faster generation and better resource management

## Meta

 *  Version **3.2.0**
 *  Last updated **1 month ago**
 *  Active installations **Fewer than 10**
 *  WordPress version ** 5.0 or higher **
 *  Tested up to **6.9.4**
 *  PHP version ** 7.4 or higher **
 *  Language
 * [English (US)](https://wordpress.org/plugins/calliope/)
 * Tags
 * [AI](https://pcd.wordpress.org/plugins/tags/ai/)[automation](https://pcd.wordpress.org/plugins/tags/automation/)
   [content generation](https://pcd.wordpress.org/plugins/tags/content-generation/)
   [gpt](https://pcd.wordpress.org/plugins/tags/gpt/)[seo](https://pcd.wordpress.org/plugins/tags/seo/)
 *  [Advanced View](https://pcd.wordpress.org/plugins/calliope/advanced/)

## Ratings

No reviews have been submitted yet.

[Add my review](https://wordpress.org/support/plugin/calliope/reviews/#new-post)

[See all reviews](https://wordpress.org/support/plugin/calliope/reviews/)

## Contributors

 *   [ homio13 ](https://profiles.wordpress.org/homio13/)

## Support

Got something to say? Need help?

 [View support forum](https://wordpress.org/support/plugin/calliope/)