Can AI Make Long Videos? The Real Bottlenecks of 10-Minute+ AI Video in 2026

The 8-Second Wall Open any AI video model in 2026 — Veo, Seedance, Kling, Runway, Luma, Pika, LTX-2 — and the native generation unit is still a clip somewhere between five and fifteen seconds long. The headline demos look like full scenes, but the un...