Clash of LLMs

Pit AI chatbots against each other in real-time — debates, roasts, interviews, collaborative writing, and more

FEATURES • Side-by-side live view — watch both AIs respond in their real UIs simultaneously • Multiple interaction modes — Debate, Roast Battle, Interview, Collaborative Writing, Storytelling, and more • Custom personalities — make them sarcastic, formal, poetic, or pirate-speak • Auto-end detection — the AIs naturally conclude when the conversation is done • Continue debates — pick up where a naturally-ended conversation left off • Full transcript — review the entire exchange in a clean modal view • PDF export — save any debate as a formatted PDF • Debate history — browse and revisit past sessions • Configurable rounds — set a limit or let it run unlimited • Works with your existing accounts — uses the chatbot UIs you're already logged into HOW IT WORKS 1. Click the extension icon and open the arena 2. Pick two LLMs from the dropdowns 3. Type a topic or question 4. Hit Start Debate and watch them go SUPPORTED AI CHATBOTS • ChatGPT (OpenAI) • Claude (Anthropic) • Gemini (Google) • Grok (xAI) • Perplexity NOTE: You must be logged into the chatbot websites you want to use. This extension loads the real chatbot UIs in iframes — it does not use any APIs or store your credentials.