Guide
What is AI video editing?
Short answer
AI video editing uses AI to cut, clean up, caption or assemble footage that already exists. AI video generation is different: it makes new footage from a prompt.
Many tools now do some of both, so the useful questions are what you start with and what you get back.
Updated . Published by TellEdit, which makes one of the tools described here, so check the linked sources too.
What is the difference between AI video editing and AI video generation?
The difference is where the pictures come from. Editing starts with footage that was filmed, then decides what to keep, in what order and for how long. Generation creates frames that were never filmed, from a text prompt or an image.
The line is getting blurry. CapCut, VEED and Kapwing are editors, and each also offers AI video generation. If it matters that every frame was really filmed, check what a tool adds, not what it is called.
| Question | AI video editing | AI video generation |
|---|---|---|
| Starts from | Footage that already exists | A prompt, an image or a script |
| What is on screen | What was filmed | Newly made frames |
| Good for | Talking heads, interviews, events, recipes: anything where the real thing is the point | Concept shots, illustrations and scenes you can't film |
| What to check | Whether the cuts and pacing are right | Whether what it shows is accurate, and whether you may use it |
For another explanation of the split, see Kapwing's guide to AI creation and AI editing.
What can AI video editing do?
Most AI editing rests on two abilities: turning speech into a timed transcript, and working out what is in each shot. Together they cover the slow parts of an edit:
- Remove filler words, silences, false starts and retakes
- Find the best moment in a long recording
- Add captions
- Reframe horizontal video to vertical
- Cut clips to the beat of a song
- Place B-roll over an interview
- Assemble a first cut from a written brief
What kinds of AI video editor are there?
There are four broad kinds, and the main difference between them is who makes the editing decisions.
| Kind | You get back | Who decides the cuts | Examples |
|---|---|---|---|
| Editor with AI tools | A project you finish in the editor | You, with AI speeding up single steps | Descript, CapCut, VEED |
| Single-job tool | A cleaned-up rough cut, or many short clips | The tool, for that one job | Gling, OpusClip |
| Prompt-led or agentic editor | A first draft or a finished video, made to your brief | The AI, and you review the result | Kapwing AI Autocut, invideo, TellEdit |
| Video generator | New footage | The model | Also built into CapCut, VEED and Kapwing |
Details and sources for most of these products are on our comparison pages. Products change, so check their own pages before you decide.
What is agentic video editing?
Agentic video editing means giving an AI a goal rather than one command at a time. You describe the video you want, and the AI works out the steps and carries them out: finding the shots, making the cuts, adding captions.
A "remove silences" button is AI assistance. "Make a 45-second vertical version without the retakes" is a goal, and a tool that handles every step of it is working as an agent.
The word is new and used loosely. invideo describes it as an agent working on an editable timeline that you then review. Other tools, including TellEdit, hand back a finished video with no timeline, and you change it by saying what to change.
What is vibe editing?
Vibe editing is an informal term for directing an AI editor by describing the mood, pace or story you want, instead of giving exact instructions. It borrows from "vibe coding". It has no agreed definition, so treat it as a way of working, not a feature to look for.
How do you choose an AI video editor?
Start from what you have and how much of the editing you want to do.
- You want to control every cut: an editor with AI tools.
- You edit yourself and only want the clean-up done: a clean-up tool.
- You have long recordings and want many short clips: a clipping tool.
- You have footage and don't want to edit: a prompt-led editor.
- You have no footage: a video generator.
What are the limits of AI video editing?
AI editing saves time, but it still needs someone to watch the result.
- It can misjudge what matters, like cutting a pause that was doing the work.
- Prompts are a blunt way to ask for exact changes. To move one cut by a few frames, a timeline is faster.
- Editing can't rescue what wasn't filmed. Poor sound and missing shots stay that way.
- Results depend on the brief. Length, format, and what to keep or cut give it far more to work with than "make it good".
Where does TellEdit fit?
TellEdit is a prompt-led editor. You upload footage you already shot, describe the video, and get a finished, captioned video back. There is no timeline. It cuts only your footage, and the only synthetic parts are an optional AI voice-over and an optional generated music bed.
It is the wrong choice if you want to control each cut yourself, need a timeline to finish in Premiere, Final Cut or Resolve, or have no footage yet.
See what it can make, each with a real edit and the prompt used, or how it compares with other tools.