8 AI Tools for Reels and Shorts: What Actually Works in 2026

Manually editing a long video into vertical format used to eat up half an evening or even two full days. Now AI tools automatically find meaningful segments, cut them, add captions, and format them for Reels and Shorts. The process has shrunk from hours to minutes.

A flood of free and paid services for this kind of editing has hit the market. The author tested 8 major tools to figure out which ones actually deliver and which only look universal in roundup listicles.

How the services were evaluated

The testing focused on five criteria:

• How well the service independently finds meaningful segments in long video • Russian-language support and caption formatting quality • Whether a built-in editor exists for manual polishing • The ability to publish clips directly from the service, or at least prepare them without jumping between tools • Cost of trial access and any access difficulties from Russia

Ranking of 8 services

1. OpusClip — the best at finding meaningful segments. ClipAnything analyzes speech and visuals, picks out complete thoughts, formats captions, and keeps the speaker in frame. Russian support is in beta — double-check captions manually. The main drawback: Russia isn't on the official list of supported countries.

2. MnogoReels — the best choice for Russian-language video. A single dashboard cuts video and publishes to YouTube or RuTube. It recognizes Russian speech, offers 23 caption styles, and can add B-roll from stock footage or generate it. The MnogoCut editor is still in beta and stores projects in the browser. The system scores clips from 0 to 100 based on hook strength, coherence, and pacing.

3. VEED — combines automatic cutting with a full browser-based editor. AI Clips finds segments, adds captions, and keeps the speaker centered. It recognizes Russian speech. Drawbacks: it only accepts fresh file uploads (no YouTube links), offers just one free trial, and has no social media publishing.

4. Descript — edits video through a text transcript. Editing the text instantly changes the video. Create Clips pulls out 1–20 segments and places each into its own composition. Russian isn't transcribed, but finished captions can be translated and dubbed into Russian.

5. Repurpose.io — publishes finished clips to multiple platforms simultaneously. It links social accounts to cloud storage, schedules posts, and reformats clips for each platform. It doesn't find meaningful segments on its own — you manually set the start point and length, or use timecodes from a description.

6. Runway — generates and processes short scenes. Runway Agent moves footage onto Final Cut's timeline and assembles a rough cut. Detect Shots splits video at scene changes. You can create B-roll, change backgrounds, and generate voiceovers and sound effects. It doesn't scan long recordings for dialogue and works with clips up to 30 seconds.

7. Google Flow (powered by Veo 3.1) — generates vertical scenes with sound from a text prompt. It supports 4, 6, or 8-second formats. Scenebuilder stitches fragments together, and Video Resizer changes aspect ratio. It doesn't break long interviews into meaningful clips. Russia isn't on the list of supported countries.

8. Sora — now shut down. Before closing, it generated clips up to 20 seconds in 1080p with vertical format support, Storyboard, and the ability to edit finished scenes. It didn't scan long recordings for dialogue.

How to pick the right service for your task

For a Russian-language interview, start with MnogoReels. For English-language video, try OpusClip or VEED with its browser editor. If you need direct publishing to multiple platforms, go with Repurpose.io. For generating B-roll and short scenes, use Runway or Google Flow.

Before publishing, watch every clip in full: check the segment boundaries, verify captions (especially names), and make sure the background matches the content. AI speeds up the search and rough cut, but it can still chop off a thought mid-sentence.