Open-Gen: Open-Source Reimplementation of Generalist's GEN 1.5

KyeGomez has released Open-Gen, an open-source PyTorch reimplementation of Generalist AI's GEN 1.5, reverse-engineered from public demos as a continuous-time decoder-only transformer that unifies perception, reasoning and action in a single model.

2026-08-20 ~ 2026-08-20 · 3 related posts

• Reverse-engineering Generalist's Gen1.5: one continuous-time transformer unifying sensing, reasoning and action — KyeGomezB · 2026-08-20
• Open-Gen Attempts to Replicate GEN 1.5 Embodied Model Architecture — KyeGomezB · 2026-08-20
• Open-Gen released: open-source PyTorch reconstruction of Generalist's embodied foundation model — KyeGomezB · 2026-08-20