Wei-Lin Chiang (@infwinston) — Twitter Score 16 out of 1000

Wei-Lin Chiang is an AI researcher and technologist who co-founded Arena, a community-powered platform for evaluating AI models through real-world human preferences. Wei-Lin Chiang's Twitter Score is 16 out of 1000 as of September 2026, ranking #60,504 among 487,142 tracked accounts.

Wei-Lin Chiang co-founded Arena, where he serves as CTO. The platform, previously known as LMArena and Chatbot Arena, originated in the UC Berkeley Sky Computing Lab, where Chiang was a PhD student and postdoctoral fellow alongside Anastasios Angelopoulos. The project grew into a standalone company focused on benchmarking large language models using human preference data at scale.

Wei-Lin Chiang's research work spans AI evaluation systems, including LLM Judge, FastChat, and Vicuna, alongside Chatbot Arena. Arena announced a $150 million Series A on January 6, 2026, led by Felicis and UC Investments, with participation from Andreessen Horowitz, Kleiner Perkins, Lightspeed Venture Partners, The House Fund, LDVP, and Laude Ventures; per Felicis, General Partner Peter Deng joined the board as an observer. Wei-Lin Chiang has 5,625 followers as of September 2026 and has published 832 posts. He has been mentioned by 10 accounts, with 11 total mentions.

Who follows Wei-Lin Chiang on X?

The accounts that follow Wei-Lin Chiang include 48 founders, 15 angel investors, 7 influencers and 3 VCs. Among his notable followers are Marc Andreessen, Sriram Krishnan, Ali Yahya, Kevin Rose, Aaron Levie and Robert Scoble.