LMRing is an open-source alternative to LMArena for comparing AI models side by side • Compare up to 5 models with real-time streaming • Webdev comparison — see AI-generated code rendered live • Video output comparison across models • 50+ providers: OpenAI, Anthropic, Google, DeepSeek & more • Bring your own API keys & custom endpoints • ELO-based leaderboard from real user votes • Fully self-hostable — your data stays yours Open source, free to start, self-hostable.