Luma Unveils Ray3 Modify, Bringing Start-To-End Frame Control to AI Video Editing

Luma AI has introduced Ray3 Modify, a new video model that gives creators precise control over AI-generated edits by defining a video’s start and end frames. The feature targets filmmakers and editors who want to preserve real performances while changing scenes, styles, or environments.

Ray3 Modify is now available inside Luma’s Dream Machine platform, where creators already generate and remix video using AI tools.

Editing video with frame-level intent

Unlike text-to-video tools, Ray3 Modify works directly with existing footage. Creators select a starting frame and an ending frame, then the model generates everything in between.

This workflow anchors the output to real visual references, which improves continuity in motion, timing, and emotion. Editors can reshape a scene without rebuilding it from scratch or gambling on unpredictable transitions.

Preserving performances while changing the scene

Ray3 Modify emphasizes performance preservation. The model aims to keep movement, eye lines, pacing, and emotional delivery intact, even when creators alter the background, lighting, wardrobe, or overall look.

This matters because many generative video tools struggle with natural motion and consistent acting. Anchoring generation between two real frames can make edits feel more intentional and believable.

Character and identity consistency

Ray3 Modify supports character reference inputs, letting creators upload images that help maintain a consistent identity across a clip. This can help keep faces, outfits, and visual traits stable from shot to shot.

For narrative work and branded content, stronger identity control reduces continuity errors that often force manual fixes or reshoots.

Built for hybrid AI workflows

Luma frames Ray3 Modify as a tool for hybrid workflows, where AI enhances real footage rather than replacing it. Teams can film performances first, then use AI to adjust environments, experiment with visual styles, or refine scenes during post-production.

This approach fits studios and agencies that want faster iteration while keeping creative control and realism.

Why Ray3 Modify matters

The launch reflects a broader shift from prompt-only generation toward editor-driven control. Start-and-end frame editing can make results more predictable and closer to established post-production workflows.

Luma has not shared pricing changes or usage limits tied specifically to Ray3 Modify, but the feature is rolling out now through Dream Machine.

What’s next

Luma will likely expand Ray3 Modify with deeper timeline controls and longer clip support. More tools for locking camera motion, lighting, and scene continuity could follow.

As creators push Ray3 Modify in real projects, expect updates focused on professional workflows, faster iteration, and tighter integration with post-production pipelines.