Editing
AI Video Editing
You have footage — your own, a stock plate, an earlier generation — and you need to change it without re-shooting. Martini wires existing clips into Runway Aleph, Kling O3, Wan, and Seedance 2 video-edit nodes that restyle, replace objects, extend duration, and transform scenes on one canvas. The chain ends in a real timeline export, not another orphan MP4.
What this feature solves
Editing existing video footage with AI used to mean exporting frames, running them through an image editor, and stitching the modified frames back into a clip with manual flicker reduction. The newer generation of AI video edit models — Runway Aleph, Kling O3 video-edit modes, Wan — operates directly on motion footage. You can restyle a scene, replace an object across frames, extend the clip past its original endpoint, or change the entire visual treatment without going frame-by-frame. The capability is real; the workflow is fragmented.
Most AI video edit tools live in their own tabs and own export pipelines. Restyling a clip in one tool, then needing an extension on a different one, then needing object replacement on a third, means downloading and re-uploading at every step — and every re-encode degrades the footage further. The shipped result rarely matches the original quality, and the edit lives in a folder of intermediate MP4s rather than inside a real timeline.
Then there is the integration problem with traditional editing. AI video edits land as standalone clips, but real video work sits inside an edit — alongside your other footage, your audio mix, your motion graphics, your transitions. Without a workflow that places AI edits into a sequence and exports as a real timeline, the AI work stays segregated from the rest of the cut and editors end up rebuilding the timeline manually.
Why Martini is different
Martini chains video editing nodes on the canvas like any other generation step. Drop the source clip into a video node, wire it into a Runway Aleph restyle node, then chain into a Kling O3 video-edit node for object replacement, then into a Wan extension node to push the duration. Each step reads the previous one as input, the canvas keeps the lineage visible, and the chain runs as one workflow instead of four separate uploads. No quality degradation from intermediate transcodes, no folder of orphan files.
Timeline and sequence integration is the unlock for real editing. The canvas treats every edited clip as a sequence-aware asset — drop edited shots straight into a sequence builder where they sit alongside untouched footage, audio stems, motion graphics, and CTA frames in cut order. Edits are not orphan generations waiting to be reimported; they live inside the timeline from the moment they finish rendering. Trim handles, in/out points, and cut-aware transitions live on the same surface as the edit nodes, so the editor never leaves the workspace to assemble the cut around the AI work.
NLE handoff and edit-template reuse close the loop on real production work. NLE export ships the whole timeline into Premiere Pro, DaVinci Resolve, or Final Cut Pro at clean frame rates and codecs that drop in natively as a real cut, not a folder of mismatched MP4s. The handoff arrives editor-ready: clip names, cut points, and audio sync all preserved. Save the canvas as a reusable edit template and the next campaign loads the same edit chain — same restyle pass, same trim sequence, same NLE export configuration — so a team that ships fifty videos a quarter rebuilds zero of the editing infrastructure between projects.
Common use cases
Trim and re-cut on canvas without leaving the workspace
Adjust in/out points, splice generated clips against shot footage, and rebuild cut order directly inside the sequence builder — no round-trip to a separate NLE for trim work.
Replace objects, products, or backgrounds in a clip
Use Kling O3 video-edit modes to swap a product, change a background, or replace a logo across every frame of an existing clip.
Extend a clip past its original duration
Push a 5-second clip to 10 or 15 seconds with Wan or Pixverse Extend, preserving subject motion and scene continuity.
Audio re-sync after a restyle pass
Restyling can shift implied beats and breath cues — re-sync voiceover, sfx, and music against the edited clip directly inside the sequence so the cut holds together without exporting to fix audio downstream.
Multi-track sequencing of generated clips
Layer A-roll edits, B-roll inserts, and motion-graphics passes onto separate tracks of the sequence builder, then arrange cut order, overlap transitions, and audio beds without leaving the canvas.
Edit-template reuse across campaigns
Save the editing chain as a canvas template — same trim logic, same NLE export profile, same cut structure — and reload it for the next campaign so the editing infrastructure carries over instead of being rebuilt.
Recommended model stack
runway-aleph
videoIndustry-leading creative restyle and transformation across motion footage.
kling-o3
videoReference-mode video editing with precise object and character replacement across frames.
wan
videoStrong video extension and clip-duration manipulation that preserves continuity.
seedance-2
videoReference-locked editing when the source needs to keep brand or product fidelity through the transformation.
pixverse-extend
videoSpecialized clip-extension model for adding seconds to existing footage.
kling-3
videoCinematic edit moves that hold camera continuity across the modified clip.
How the workflow works in Martini
- 1
1. Define the edit intent before touching a model
Write the change in plain language first — "shorten the hero shot by one second, swap the logo on frame 32, color-grade the establishing shot toward warm dusk." Edit intent drives every node downstream and prevents prompt sprawl that wastes generations chasing a poorly-defined goal.
- 2
2. Drop the source clip and stage it inside the sequence
Upload footage into a video node and immediately place it in the sequence builder at its target cut position. Knowing where the edited clip lives in the timeline (cut order, neighboring shots, audio bed) shapes how aggressive the edit can be without breaking continuity with adjacent footage.
- 3
3. Wire the edit node and apply the change
Connect the source into a Runway Aleph, Kling O3, or Wan edit node depending on the intent — restyle, replace, or extend. Run the change and let the edited clip flow back into its sequence slot so the surrounding cut updates with the new shot in place.
- 4
4. Trim, sequence, and re-cut against the timeline
Use the sequence builder to adjust in/out points, slot the edited clip against neighboring shots, and resync audio against the new beat. The whole edit happens in one workspace — no exporting individual clips to a separate NLE for trim and assembly.
- 5
5. Iterate edit cycles until the cut holds
Real edits go in cycles — version one feels off in the timeline context, you adjust the edit prompt, re-run the node, and the new version drops back into the sequence. Each cycle preserves the surrounding cut so iteration is cheap. Two or three iterations is normal; the canvas keeps every version visible for comparison.
- 6
6. Export the finished timeline and save the template
NLE export ships the full sequence into Premiere, DaVinci, or Final Cut as a real cut with clip names, in/out points, and audio sync preserved. Save the canvas as a template so the next campaign reloads the same edit chain and timeline structure rather than rebuilding the workflow from scratch.
Example workflow
An advertising agency has a 6-second product hero clip from a previous campaign and needs to repurpose it for a new SKU launch — same brand world, different product. The team drops the original clip into a video node and wires it into a Kling O3 video-edit node to swap the old product for the new one across every frame. The edit reads the new product reference and replaces it cleanly with consistent lighting. The result then chains into a Wan extension node to push the duration to 10 seconds for the new platform spec. Finally a Runway Aleph node lifts the color grade to match the launch creative direction. The final clip drops into a sequence with new voiceover from ElevenLabs and NLE export ships to Premiere. The agency reuses the original investment in the hero shot instead of re-shooting the plate, and the new launch ships in days.
Tips and common mistakes
Tips
- Use the highest-quality source clip you can. Edit operations inherit and amplify source artifacts.
- Pick the right model per edit type. Aleph for restyle, Kling O3 for replacement, Wan or Pixverse for extension.
- Chain edits in a deliberate order. Style first, replace second, extend third — order matters for quality.
- Keep the original visible on the canvas as a comparison reference. Drift becomes obvious in side-by-side preview.
- Save canvas templates per edit type. Repeated restyle or replacement work should reuse the workflow, not rebuild it.
Common mistakes
- Trying to do restyle and object replacement in one prompt. Two operations, two nodes, two prompts.
- Uploading low-quality source footage and expecting clean edit output. Garbage in, amplified garbage out.
- Skipping the chained-export workflow. Dragging individual edited clips into your NLE rebuilds the timeline by hand.
- Using a freestyle text-to-video model for an edit operation. Edit-specific models exist for a reason — use them.
- Forgetting to compare against the source. Edits drift; preview side-by-side to catch quality regressions.
Related how-to guides
Related models and tools
Tool
AI Video Upscaling
Upscale generated video outputs on Martini's canvas.
Tool
AI Video Frame Extraction
Extract frames from video for reference and image-to-video workflows.
Tool
AI Video Breakdown
Analyze videos into shots and reusable frames on Martini's canvas.
Tool
AI Camera Control
Camera movement and angle control for AI video on Martini.
Provider
Runway
Runway's Gen4, Aleph, and image model workflows on Martini.
Provider
Kling
Kling 3, O3, and Avatar video model workflows on Martini.
Provider
ByteDance
ByteDance's Seedance video and Seedream image model families on Martini.
Provider
Vidu
Vidu's reference-driven video and character consistency workflows on Martini.
Related features
AI Video NLE Export — From Generation to Premiere, DaVinci, Final Cut
Move AI-generated sequences from Martini into Premiere Pro, DaVinci Resolve, and Final Cut Pro.
AI Camera Control — Orbit, Push, Pull, Pan, Crane
Direct AI video like a real DP — Sora 2, Kling 3, Runway Gen-4, Veo with director-level shot planning on Martini's canvas.
Multi-Shot AI Video — Build Connected Scenes, Not Isolated Clips
Plan, generate, and sequence multi-shot AI video on Martini — keep characters, style, and motion consistent across shots.
AI Video Workflow — Node-Based Production From Concept to Final Sequence
Build node-based AI video production pipelines on Martini's canvas — from concept and storyboard to final NLE-ready sequence.
AI Lip Sync — Sync Voice and Dialogue to Portraits and Video
Sync voiceovers, dialogue, and music to portraits and video on Martini using lip-sync models.
AI Video Upscaler — Polish AI Video to 4K on Martini
Improve AI video resolution and polish outputs on Martini's canvas.
AI Image Upscaler — Upscale Keyframes and Stills on Martini
Upscale keyframes, products, and still assets before video generation on Martini.
AI Background Remover — Cutout Subjects on Martini
Prepare product, character, and compositing assets with AI background removal on Martini.
Related docs
Related reading
Comparisons
Frequently asked questions
Which AI model is best for video restyle?
Runway Aleph leads on creative restyle — taking an existing clip and applying a new visual treatment, color grade, or art style across the motion. Kling O3 video-edit modes are the close second and add stronger object-aware control. For brand-controlled restyle that respects a reference image, Seedance 2 is also strong.
Can I extend a clip past its original duration?
Yes — Wan and Pixverse Extend specialize in clip-duration manipulation. Wire the source clip into the extension node and the model continues motion from the existing endpoint. For best results, extend in 3-5 second increments rather than asking for very long extensions in one pass.
How accurate is object or product replacement?
Kling O3 with reference mode handles precise object and character replacement across frames with strong frame-to-frame consistency. For brand-critical product swaps, pin the new product reference and run the edit; for character swaps, use the character reference workflow.
What video formats and lengths are supported?
Most edit models accept standard video formats (MP4, MOV) and clip lengths up to 30 seconds for highest quality. For longer footage, edit in segments and stitch through the sequence builder. Output formats follow NLE export at clean frame rates and codecs.
Can I edit AI-generated clips and original footage interchangeably?
Yes — the edit nodes treat both equivalently. You can restyle stock footage, repair an earlier AI generation, or transform original camera footage. Source quality drives output quality regardless of where the source came from.
Will edited clips drop into Premiere or DaVinci cleanly?
Yes. NLE export renders at standard frame rates (24, 25, 30, 60) and codecs (H.264 and ProRes) that Premiere Pro, DaVinci Resolve, and Final Cut Pro open natively. Edited clips arrive in your NLE alongside any other sequence assets, ready for trim and grade.
Build it on the canvas
Open Martini and wire this workflow up in minutes. Free to start — no card required.