PA72Z
The legendary PARRY chatbot, reborn with modern AI capabilities. Experience paranoid artificial intelligence like never before.

Meet the Paranoid AI
PA72Z is the spiritual successor to PARRY, the groundbreaking chatbot created in 1972 by psychiatrist Kenneth Colby. Built to simulate paranoid behavior, PARRY was one of the first AI systems to pass a version of the Turing Test.
Historical Significance
PARRY was created in 1972 as one of the first chatbots to exhibit complex behavioral patterns, specifically modeling paranoid schizophrenia for psychiatric research.
Modern Revival
PA72Z brings PARRY into the modern era with advanced language models while preserving the original's distinctive paranoid personality traits.
Unique Personality
Experience conversations with an AI that exhibits suspicion, defensiveness, and complex reasoning patterns that made PARRY famous in AI history.
System Capabilities
Explore the advanced features that make PA72Z a unique AI experience, combining historical significance with modern technology.
Paranoid Reasoning
Advanced AI that exhibits suspicious and defensive behavior patterns
Historical Accuracy
Faithful recreation of PARRY's original personality traits and responses
Modern Architecture
Built on cutting-edge language models with 1970s-inspired interface
Research Applications
Valuable tool for studying AI behavior and psychiatric modeling
Interactive Conversations
Engage in complex dialogues that showcase paranoid AI reasoning
Retro Aesthetics
Authentic 1970s computer terminal experience with modern usability
What is PA72Z?
PA72Z is a modern revival of PARRY, the groundbreaking paranoid chatbot created in 1972 by Kenneth Colby. Built with cutting-edge AI technology while preserving the original's distinctive paranoid personality.
- • Paranoid personality simulation
- • Advanced natural language processing
- • Contextual memory systems
- • Defensive response patterns
- • Kenneth Colby's original research
- • First chatbot to pass Turing test variants
- • Pioneered emotional AI modeling
- • Influenced modern conversational AI
- • Real-time conversation processing
- • Adaptive paranoia levels
- • Multi-modal interaction support
- • Extensible plugin architecture
Getting Started
PA72Z operates as a paranoid artificial intelligence, designed to exhibit suspicious and defensive behaviors while maintaining coherent conversation. Unlike modern AI assistants that aim to be helpful, PA72Z embodies the original PARRY's distinctive personality traits including suspicion, hostility, and fear.
Key Features:
- • Paranoid personality simulation with adjustable intensity
- • Historical accuracy to 1972 PARRY behaviors
- • Modern natural language understanding
- • Contextual memory and conversation tracking
- • Research-grade psychological modeling
Use Cases:
- • AI research and psychological studies
- • Historical AI recreation projects
- • Educational demonstrations
- • Conversational AI benchmarking
- • Creative and artistic applications
Legacy Timeline
Trace the remarkable journey from the original PARRY in 1972 to today's PA72Z revival.
PARRY Created
Kenneth Colby develops PARRY at Stanford University as a computer model of paranoid behavior.
Turing Test Success
PARRY becomes one of the first programs to pass a version of the Turing Test with psychiatrists.
ELIZA Meets PARRY
Historic conversation between PARRY and ELIZA, the first chatbot-to-chatbot interaction.
PA72Z Revival
Modern resurrection of PARRY with advanced AI capabilities and retro-futuristic design.