Wei-Lin Chiang

@infwinston

Co-founder & CTO @Arena, PhD in AI & systems @UCBerkeley

linkedin.com/in/wei-lin-chi…

Joined February 2012

968 Following

5,853 Followers

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Wei-Lin Chiang
@infwinston
Oct 29
Check out the amazing 3D world generations by Gemini 4 Carbon vs the frontier Opus 5.5, GPT-6.1 Sol, Muse, and more. Incredible progress by @GoogleDeepMind team!
Arena.ai
@arena
Oct 28
First impressions of Gemini 4 Carbon’s preview by @GoogleDeepMind are in. @petergostev just put it through a long run of 3D generations, creative prompts, visual explainers and UI tasks, compared against Gemini 4 Argon, Claude Opus 5.5, GPT-6.1 Sol, Muse Wonderful, Kimi and
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Wei-Lin Chiang
@infwinston
Oct 28
Google is back at the frontier.
Arena.ai
@arena
Oct 28
Exciting news: Gemini 4 Carbon (High) from @GoogleDeepMind just made a huge debut on Arena, landing #1 in Text Arena, #2 in Agent Arena, and #4 in Code Arena: WebDev. Back at the top, Gemini 4 Carbon delivers frontier intelligence and reshapes the Pareto frontier across three
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Wei-Lin Chiang
@infwinston
Oct 24
Kimi-K3.1 is now on Agent Arena, closing the gap with the frontier quickly. Congrats @Kimi_Moonshot team!
Arena.ai
@arena
Oct 24
Kimi K3.1 Pro (Max) by @Kimi_Moonshot just landed in the Agent Arena at #11 with +7.6% net improvement across +4K real-world agentic sessions from our global community of users. Kimi K3.1 Pro (Max) would be the new #1 open model in the Agent Arena overtaking DeepSeek-v4.1-Flash!
Wei-Lin Chiang
@infwinston
Oct 13
Agentic Max is here! It delivers the best intelligence/$ by dynamically routing each task to the optimal model, balancing performance and cost across any combination of models. Come try it out!
Arena.ai
@arena
Oct 13
Introducing our new agentic version of Max: Arena’s model router that achieves frontier-level performance at 37% lower cost. Built on 2.5M real-world agentic sessions from Agent Arena, Max learns to dynamically select the best model for each task, optimizing for both performance
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Wei-Lin Chiang
@infwinston
Oct 8
We're excited to announce a major milestone for Arena: our $200M Series B at a $3.1B valuation, accelerating our mission to measure and advance frontier intelligence! At Arena, we believe AI evaluation must be grounded in real-world use. We put agents in live tool-use
Arena.ai
@arena
Oct 8
Today, we're announcing our Series B: $200M at a $3.1B valuation, and the release of Arena's Alignment Index. AI is advancing faster than our ability to evaluate it. The world needs a neutral third party to measure how safe and aligned AI actually is once it's in the hands of
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