Daily Digest: Opus 5.5 generates promo videos from one prompt, Jev valuation jumps 50x in nine days

2026-09-24 群聊日报

The most actionable find: Opus 5.5 with Remotion can produce a full product promo video from a single prompt, verified by multiple group members with costs shared. Roughly 50M tokens yielded a 53-second video, though pure AI output still feels flat—human editing input noticeably improved storytelling. On the industry side, Jev's valuation rocketed from $200M to $10B+ in nine days, but its moat is paper-thin with seven open-source alternatives emerging in a week. OpenAI is reportedly preparing a $500/month Pro Max tier that buys compute priority rather than quota. The group also debunked a viral post criticizing vector similarity—it attacks a meaning-identity strawman, not the topic-relevance problem RAG actually solves.