HappyWorld-Bench

From the catalogue. Listed by one researcher from one source page.

• id: happyworld-bench
• kind: world model and video
• robot or device: video, spatial and embodied world model tracks (class: other)
• how collected: curated prompts
• size as stated: 1,138 video prompts plus spatial and embodied tracks
• hours: not stated | hours only claimed: none | episodes: not stated
• year: 2026
• organisation: not stated
• licence: not stated (class: not stated)
• access: not stated (class: not stated)
• link (paper): https://arxiv.org/abs/2609.24308
• note: Six-level capability hierarchy.

Confirm the licence at the link before relying on it.