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AI video: models, tools and AI editing

What changed in AI video generation and editing: new models and their open weights, ComfyUI releases, the APIs that opened and the ones that closed. Every entry names its source and the day we checked it.

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An empty neon socket on the left of a dark ground, and three glowing cables plugged into three small ports on the right

Guide

After Sora: the AI video APIs still taking requests

OpenAI switched off the Sora 2 API on 24 September with no replacement named. Four AI video APIs a Sora integration can move to — xAI, Google, MiniMax and Kling — and what each one asks of you.

Three neon consoles in orange, violet and cyan, each with a small screen, joined by glowing lines to one shared screen above them

Guide

One scene, three prompt formats

A screenwriter's guide to the three ways AI video models want a scene written: LTX reads a flowing paragraph, MiniMax H3 a tagged shot list with timed cuts, Kling a timeline pinned to keyframes. The same scene in each.

Neon scissors cutting through a magenta film strip, with two cyan cubes on a looping cable and a yellow ring beside it

Guide

Editing AI video in ComfyUI

ComfyUI is no longer only where AI video gets generated. September's releases added nodes to join clips, loop over them, erase objects, edit footage with a prompt and grade in film colour spaces. What each one does.