Nvidia发布GR00T 2并宣布逐步开源，Anthropic同日推出Fable 5.2
来源标题：Nvidia Open-Sources GR00T 2 Robot Model as Anthropic Releases Fable 5.2 in Same-Day Embodied AI Push
来源标题：Nvidia Open-Sources GR00T 2 Robot Model as Anthropic Releases Fable 5.2 in Same-Day Embodied AI Push