Generate engaging split-screen reaction videos instantly. AI avatars react to trending content with expressive emotions and dynamic captions—perfect for TikTok, YouTube, and Instagram.
Before
Just a trending event or viral moment
After
Viral Reaction Videos
Sports Moments
React to epic UFC knockouts, NBA highlights, and game-winning plays
Tech & AI Demos
Create reactions to new Sora videos, AI breakthroughs, and tech launches
Viral TikTok Content
Jump on trending sounds, challenges, and viral moments instantly
Gaming Highlights
React to epic gameplay, speedruns, and competitive esports moments
Movie & TV Reactions
Create engaging responses to trailers, shocking scenes, and plot twists
Entertainment & Celebrity
React to celebrity news, awards shows, and entertainment events
STEP
1
Describe the Trend
Tell our AI what trending event or viral moment you want to react to
STEP
2
Choose Media Style
Select AI-generated video clips or moving images for the B-roll content
STEP
3
AI Creates Reaction
Watch as AI generates split-screen video with expressive avatar and captions
STEP
4
Edit & Go Viral
Fine-tune in our editor and share directly to TikTok, YouTube, Instagram
Our top features
Medeo’s AI Reaction to Video tool creates reaction-style clips from text prompts. Instead of filming yourself, you can use avatars, voices, and expressions to simulate authentic reactions.
Yes, you can customize avatars or even upload your own voice recording to create a more personal reaction video.
Absolutely. Videos are automatically optimized for vertical and square formats, making them perfect for short-form platforms.
Not at all. Medeo handles the animation, syncing, captions, and exporting—no editing software required.















