Welcome to SeanceAI
Step into a digital séance and converse with the greatest minds humanity has ever known. From Einstein’s thought experiments to Cleopatra’s political wisdom, from da Vinci’s boundless curiosity to Lincoln’s moral clarity—experience history through authentic, AI-powered conversations.SeanceAI isn’t just another chatbot. It’s a meticulously crafted experience that brings history to life through authentic roleplay, era-appropriate knowledge, and genuine personality.
Two Unique Conversation Modes
Seance Mode
Have intimate, one-on-one conversations with legendary figures. Ask Einstein about relativity, discuss philosophy with Socrates, or learn about ancient Egypt from Cleopatra herself.
Dinner Party Mode
Invite 2-5 historical figures to the same conversation. Watch as Einstein debates with Newton, or witness Cleopatra and Caesar discuss strategy. Each guest responds authentically, creating dynamic multi-perspective dialogues.
What Makes SeanceAI Special?
Authentic Historical Personas
Each historical figure speaks in their unique voice with carefully crafted personalities:- Unique personality traits and speaking styles specific to each figure
- Era-appropriate knowledge - figures don’t know about events after their death
- Genuine reactions to modern concepts (they’ll ask you to explain!)
- Historical accuracy with references to real experiences, works, and relationships
60+ Historical Figures Across Eras
Ancient World
Cleopatra, Caesar, Socrates, Archimedes, Aristotle
Renaissance
Leonardo da Vinci, Galileo, Copernicus
19th Century
Lincoln, Darwin, Tesla, Curie, Napoleon
Modern Era
Einstein, Turing, Hawking, Feynman, Sagan
Immersive Experience
- Museum-themed interface with elegant dark UI and gold accents
- Beautiful SVG portraits for every historical figure
- Smooth animations and thoughtful interactions
- Fully responsive - works beautifully on desktop, tablet, and mobile
Smart Features
Contextual Suggestions
AI-generated follow-up questions based on your conversation
Save & Resume
Bookmark favorite conversations and return anytime
Export Options
Download conversations as text files
Technology Stack
Backend- Python 3.11+ with Flask
- OpenRouter API for multi-model AI access
- Server-Sent Events (SSE) for streaming responses
- Intelligent retry logic with automatic model fallback
- Vanilla JavaScript (no framework dependencies)
- Modern CSS with custom properties
- LocalStorage for conversation persistence
- Swift tier: Gemma 3, Llama 3.3 70B (free models)
- Balanced tier: GPT-4o Mini, Claude 3.5 Haiku, DeepSeek V3
- Advanced tier: GPT-4o, Claude Sonnet 4, Gemini 2.5 Pro
This is an educational entertainment tool. While we strive for historical accuracy in personalities and knowledge, the AI responses are generated and should not be used as primary historical sources.