Hugging Face Launches WebWorld: An Open World Model Series for Web Agents
Hugging Face has released WebWorld, an open world model series designed for web agents, featuring models with 8B, 14B, and 32B parameters. The models, licensed under Apache 2.0, demonstrate significant performance improvements, achieving a +9.9% enhancement in MiniWob++ and a +10.9% increase in WebArena benchmarks. WebWorld matches the factuality of Claude Opus 4.1 and Gemini 3 Pro, while outperforming GPT-5 as a world model. It supports a unified action space, 30+ step simulations, and five state formats.
