Open source · Sep 9, 2026
DeepCybo releases and open-sources PhysBrain 1.5, topping open-source leaderboards with 72.5 average across 28 benchmarks
PhysBrain 1.5, a physical foundation model from DeepCybo, averages 72.5 across 28 public benchmarks, placing first among open-source models and within one point of proprietary GPT-6 Astra (73.3) and Gemini 3.6 Flash (73.0). It spans visual-spatial perception, multi-view understanding, embodied cognition/planning, spatial pointing/affordance, and visual trajectory reasoning, with 14 first-place and 10 second-place open-source results.
Weights are available in 2B and 8B sizes, alongside a technical report and evaluation toolkit; Hugging Face recorded over 3,000 downloads in three days. No licence was stated.
Original sources (Chinese)
中国物理AI大突破：PhysBrain 1.5登顶全球开源榜一，空间智能与GPT-6 Astra并驾齐驱