AI Video Weekly Roundup — September 21, 2026
OpenAI shuts the Sora API for good; Runway, Higgsfield and Pika double down on selling other labs' models the same week; California signs one AI-disclosure bill and leaves the other pending.
Viggle's new model claims to be open-weight. The license it ships under bars the US, EU, UK and South Korea from using it — the first installment of RCTV's open-weights claims tracker.
OpenAI shuts the Sora API for good; Runway, Higgsfield and Pika double down on selling other labs' models the same week; California signs one AI-disclosure bill and leaves the other pending.
Adobe and Runway ship rival generative tools into Premiere and After Effects with different partner-model rosters the same day; California's two AI-disclosure bills get a hard September 30 signing deadline.
Black Forest Labs' own About page calls it both a frontier AI research lab and infrastructure for visual intelligence. Four aggregators absorbed its FLUX 3 Video model within a month, and BFL announced none of it — evidence for which description is actually true.
The most current comparison of AI video software in 2026 — Veo 3.1, Kling 3.0, Seedance 2.0, Grok Imagine 1.5, Luma Ray 3.2, Runway, HappyHorse and more. Updated every week as models launch and pricing changes.