Zhaoyang Wang
@zhaoywang_CS
3rd year CS PhD student at UNC Chapel Hill @unccs. Prev. Research Intern from @MSFTResearch @Snowflake. Interests #LLM# #Agent# #Alignment# #Reasoning# .
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⚓ WebHarbor⚓ Introducing the largest open-source environment resources for GUI Web Agents!
🌐 153 real-world websites (Amazon, GitHub, Booking, YouTube, ...)
🎯 3,518 tasks, including complex multi-step and authenticated workflows
🤖 Built for reproducible evaluation and scalable RL training
We started with just 15 environments in May 2026. Today, thanks to 57 contributors from 26 institutions, we've scaled to 153 high-fidelity, image-rich environments—the largest open-source collection of its kind, to our knowledge! 🔥
And they're all executable, offline, and fully open-source!
👀 Explore the environments now:
Why did we build it, and how? 🧵👇 Threads 1/5
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