AI Daily Brief — 20 March 2026

Friday brings two storylines to a head. Composer 2 / Kimi K2.5 becomes the AI-supply-chain story of Q1 — a frontier American IDE running on a Chinese open-weight base. NVIDIA GTC‘s closing keynote signals Physical AI as the organising theme for 2026 — humanoids, robotaxis, Omniverse twins.

Top stories

• Open-source AI supply chains in spotlight. Coverage frames Cursor’s Kimi K2.5 dependence as a structural feature, not bug — frontier US tooling increasingly relies on Chinese open-weight bases. via DEV Community
• GTC wrap. Physical AI — humanoids, robotaxis, Omniverse digital twins — emerges as NVIDIA’s 2026 framing. via NVIDIA

Compiled by AI Feed’s editor from publicly reported announcements on 20 March 2026.