{"data":{"slug":"lmarena","etype":"benchmark","name":"LMArena (Chatbot Arena)","cat":"Capability","subtitle":"Millions of blind human votes — preference as a leaderboard.","summary":"LMArena shows users two anonymous answers and asks which is better, aggregating millions of votes into Elo ratings. It measures what benchmarks cannot — perceived quality — and its weaknesses are equally human: style bias, and vendors tuning for votes (the Llama 4 episode made this a governance story).","attrs":null,"kf":null,"aliases":["Chatbot Arena","LMSYS"],"ticker":null,"exchange":null,"hq":null,"founded":null,"website":null,"status":null,"region":null,"asof":"2026-01-15","sources":[{"url":"https://lmarena.ai/","label":"LMArena"}]},"meta":{"found":true,"count":1,"served_from":"site cache (no live upstream calls)","as_of":"2026-10-14T06:50:15+00:00","disclaimer":"Research and information only — not investment advice. Structured records carry basis labels (vendor spec / reported / estimate); market quotes are delayed/indicative.","attribution":"Records compiled from vendor documentation, official filings and reputable public reporting; market quotes via financial data providers. See /data-sources."}}