Microsoft Copilot — Built into Windows, Edge, and Office, yet holds just ~1.3% of chatbot market share — distribution hasn't translated to daily use is leading so far with 50%.
Claude (Anthropic) — Smaller reach (~245M users) but the highest paid-conversion rate of any major chatbot, at roughly 13% is second. On this few votes the split is still anyone's guess.
Votes have come in from 2 countries, most of them from China.
The most recent vote came in yesterday.