Infinite 3D worlds, long AI videos, realtime images, game agents, character swap, RIP Udio - AI NEWS
Staying updated on rapid open-source developments like LongCat Video and WorldGrow allows indie filmmakers to adopt cutting-edge generation and world-building pipelines early.
What this lesson covers
This video breaks down a massive week in AI news, highlighting LongCat Video for long-form generation, Emu 3.5 for multimodal tasks, and WorldGrow for generating infinite 3D worlds. It covers open-source software releases and model updates across multiple platforms.
Key takeaways from the creator
AI-extracted notes, not independently verified product claims. Timestamp links let you check each point in the original video.
- 0:53 ↗
LongCat Video is a flexible video generator by Meituan that supports text-to-video, image-to-video, and multi-minute video continuation.
- 3:48 ↗
Emu 3.5 is an open-source multimodal model capable of generating structured step-by-step instructions with corresponding tutorial images.
- 6:00 ↗
WorldGrow generates infinite 3D worlds with coherent geometry by utilizing building-block structures instead of traditional Gaussian splatting.
- 3:25 ↗
LongCat Video operates with 13.6 billion parameters, outputting 720p video at 30 frames per second, with model weights published on HuggingFace.
Workflow outlined in the video
- Check HuggingFace repositories linked in the video description to download open-source model weights for local execution.
- Explore LongCat Video documentation to test video continuation and extend video clips beyond standard limits.
- Review Emu 3.5 capabilities for multimodal image editing and storyboarding assets.
- Monitor WorldGrow updates for future public releases of its 3D environment generation pipeline.
Before you use this workflow
These notes describe the source video at its publication date. Model access, pricing, connectors and interfaces may have changed. Check the original source and the provider’s current documentation before installing an add-on, connecting an account or spending credits.
ReelStack has not independently tested this workflow. Preview one representative shot and check motion, continuity and output quality before applying it to a full production. No result, cost saving or model capability is guaranteed.
How to interpret the numbers
117,308 views captured 23 October 2026. ReelStack recommendation score: 34/100. Formula: radar-v5. This is ReelStack’s calculation, not a YouTube rating or a measure of factual accuracy.
Show the calculation
- 45% performance: 1.14× views vs 15 other channel videos observed at a similar age. View-evidence factor 99% (views / (views + 1,000))
- 25% freshness: 0/100 with a 14-day half-life
- 20% momentum: 1 views/day vs 53 channel baseline (7 comparable uploads), with the same view-evidence factor
- 10% engagement: 98/100; likes + 4× comments, smoothed with a 500-view neutral prior