Arena (formerly LMArena)
Rankings of AI models built from blind votes: text, code, agents, images, video.
What it is
Formerly LMSYS Chatbot Arena, then LMArena: the lmarena.ai address now redirects to arena.ai. Rankings are built from votes by real users who compare model answers without knowing which model wrote which. Sections: agents, chat, code, images, video. It helps you pick a model for a specific job.
- Benchmark
- AI models
- Model choice
Where to get it
Lessons that use it
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Checked: October 2026 · source