Watch multiple AI models debate live on any topic to discover truth through collision of perspectives
Free AI chat with open models, no account or sign-up required
Stage
Startup
Not given
Founded
2024
Not given
Based in
PL
Not given
Pricing model
Not given
Free
Pricing
Free: $0/month with 3 debates per month. Pro: $5/month with 10 debates per month. Ultimate: $10/month with 30 debates per month. New users get 2 full debates with Pro features.
Free with 10 prompts per day. UsingOpen Studio desktop app is $19 USD one-time purchase, or ¥99 CNY in mainland China.
Key features
AI vs AI live debates with multiple models assigned opposing positions
Investigations—chains of connected debates drilling from surface questions to root causes
Dilemma Solver for personal decisions and ethical choices
Hot Seat mode to challenge AI arguments directly
Human vs AI live structured debates in real-time
Echoes of History—debate with historical figures brought to life by AI
Voice Intelligence for audio-based interactions
Advanced analytics to track debate performance
Deep Research mode with academic and live sources
Support for multiple AI models including GPT-5, Claude, Grok, DeepSeek, Gemini
Access to 20+ open-weight AI models including DeepSeek, Qwen, GLM, Gemma, GPT-OSS, Kimi K3 and MiniMax M3
No account required, no sign-up, no email or password needed
10 free prompts per day, reset at midnight UTC
Chat history saved locally on your device, never sent to servers
Streaming responses with visible reasoning for thinking models
Compare two models side by side in the same conversation
Live model availability status and real-time capacity information
Responsive design, installable as standalone mobile app
What makes it different
Not a ChatGPT wrapper—multiple AI models clash simultaneously rather than a single AI perspective
Truth emerges from collision of diverse AI perspectives with no single bias dominating
Debate with historical figures brought to life by AI alongside modern models
Multiple engagement modes from passive observation to active real-time debate participation
Deep investigation mode for exploring root causes and full territory of complex topics
Complete privacy - chat history stays only on your device and is never sent to servers
Model picker with real-time availability, not a single locked-in assistant
DebateAI.app
UsingOpen