Dot built a video-extension workflow in ComfyUI — worked 2 hours with testing, workflow shared

added Oct 2, 2026

I connected my ChatGPT Dot to Minimax H3, and it built an video extension workflow in ComfyUI (workflow included) I gave my ChatGPT Dot access to ComfyUI on RunPod and asked it to generate a video of its choosing. It handled the prompting and generation itself. When I asked it to extend the result, it couldn't find a reliable existing extension workflow, so it created one by itself, working for two hours with testing included. It used the ending video and audio to guide the continuation, trimmed the overlap, and joined the clips. It built a workflow with three optional extension stages, each with its own prompt, duration, and seed. Each continuation uses the previous clips ending, and everything gets stitched into one final video with audio. Workflow: https://limewire.com/d/T4Jgh#7xpeJHWw9g You can use any resolution, but I found 0.7mp is ideal for speed and quality balance.

u/BraveBrush8890 (r/StableDiffusion, posted 2026-10-01) gave their ChatGPT Dot access to ComfyUI on RunPod via a Minimax H3 connection and asked it to generate a video of its choosing, then extend the result. When it could not find a reliable existing extension workflow, the Dot created one itself, working for two hours with testing included: it used the ending video and audio to guide each continuation, trimmed the overlap, and joined the clips. The workflow has three optional extension stages, each with its own prompt, duration, and seed; each continuation chains from the previous clip's ending and everything is stitched into one final video with audio. The author shared the workflow file (limewire.com link in the post) and notes 0.7mp resolution as the ideal speed/quality balance.