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Kate Deyneka

@katedeyneka • 13,176 subscribers

building @reelful a16z SR007 - agentic video editor that lives on your phone | ex-ml eng @snapchat | prev physics & biology

Shorts

welcome to Speedrun Valley! Speedrun 007 Demo Day is tomorrow, so I Made this Silicon Valley-inspired map with Opus-5.5 🔊 wish us luck! let’s goo🚀

welcome to Speedrun Valley! Speedrun 007 Demo Day is tomorrow, so I Made this Silicon Valley-inspired map with Opus-5.5 🔊 wish us luck! let’s goo🚀

19,696 views

I’ve been an ML engineer - never designed a single UI. now I’m building and designing my own apps! here’s how to design with Cursor if you've never designed before 🧵

I’ve been an ML engineer - never designed a single UI. now I’m building and designing my own apps! here’s how to design with Cursor if you've never designed before 🧵

138,564 views

I’m building an agentic video editor app for social media it’s very similar to Remotion + Claude Code, but with no prompting at all you just upload your photos and videos. then the agent generates a script and edits your media accordingly

I’m building an agentic video editor app for social media it’s very similar to Remotion + Claude Code, but with no prompting at all you just upload your photos and videos. then the agent generates a script and edits your media accordingly

101,176 views

Videos

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introducing the new Reelful Reelful is an agentic video editor in your pocket - give it an instruction and it edits for you whenever you record your thoughts, go on events, conferences, and trips - those photos and videos never leave your camera roll. with Reelful, you can turn your media into ready-to-share clips with just a prompt! no desktop & complex setup - it works right from your phone, where your media already lives create your first video for free today!

introducing the new Reelful Reelful is an agentic video editor in your pocket - give it an instruction and it edits for you whenever you record your thoughts, go on events, conferences, and trips - those photos and videos never leave your camera roll. with Reelful, you can turn your media into ready-to-share clips with just a prompt! no desktop & complex setup - it works right from your phone, where your media already lives create your first video for free today!

117,119 views • 3 months ago

introducing Reelful from a camera roll to a finished reel in just 10 minutes live on the App Store now! by the end of the year, all short videos on the internet will be created with Reelful! the ending is so funny 🤣😀

introducing Reelful from a camera roll to a finished reel in just 10 minutes live on the App Store now! by the end of the year, all short videos on the internet will be created with Reelful! the ending is so funny 🤣😀

157,822 views • 5 months ago

I built an app where you upload your raw media and it turns it into a smooth narrated video, with clips aligned to the script no prompts, no clip arranging, no voiceover recording, no music selection - everything is done automatically the best part: after a late night event, when the last thing you want to do is edit videos, Reelful turns your photos and clips into a recap in minutes!

I built an app where you upload your raw media and it turns it into a smooth narrated video, with clips aligned to the script no prompts, no clip arranging, no voiceover recording, no music selection - everything is done automatically the best part: after a late night event, when the last thing you want to do is edit videos, Reelful turns your photos and clips into a recap in minutes!

105,047 views • 7 months ago

inference engineering everyone 💚

inference engineering everyone 💚

72,838 views • 7 months ago

THE hottest Instagram trend right now is yapping reels i use the app Reelful to edit my yapping reels - it removes pauses and bloopers, adds zoom cuts in logical spots, and adds word-by-word captions process ➡️ result prompt below 👇🏻

THE hottest Instagram trend right now is yapping reels i use the app Reelful to edit my yapping reels - it removes pauses and bloopers, adds zoom cuts in logical spots, and adds word-by-word captions process ➡️ result prompt below 👇🏻

19,714 views • 1 month ago

evaluating 6 ai app builders to see which one does the best design for my app. which one did best?

evaluating 6 ai app builders to see which one does the best design for my app. which one did best?

60,020 views • 8 months ago

what if Claude Code met CapCut? I’m building an agentic video editor where you just drop your photos and videos into the chat - and that’s it. your video is ready in a couple of minutes then you can manually tweak the result if you want blank-page problem for video creation solved!

what if Claude Code met CapCut? I’m building an agentic video editor where you just drop your photos and videos into the chat - and that’s it. your video is ready in a couple of minutes then you can manually tweak the result if you want blank-page problem for video creation solved!

48,239 views • 7 months ago

sneak peek at how I edit videos with ai heads down on a big Reelful update - stay tuned!

sneak peek at how I edit videos with ai heads down on a big Reelful update - stay tuned!

20,474 views • 4 months ago

how to attract a guy in 2026

how to attract a guy in 2026

22,537 views • 6 months ago

a little recap of Mango Tango 4.0 made in Reelful Mango Tango started as a small fun gathering and has grown into an annual tradition with 1000s of mangoes imported from India! such a great initiative! this was my first time trying this kind of mango, and honestly, it was very, very good! 🥭✨

a little recap of Mango Tango 4.0 made in Reelful Mango Tango started as a small fun gathering and has grown into an annual tradition with 1000s of mangoes imported from India! such a great initiative! this was my first time trying this kind of mango, and honestly, it was very, very good! 🥭✨

16,505 views • 4 months ago

speedrun 007 is kicking off in a couple of days. here’s my story how I got in > I was ML engineer at snapchat building image and video generation models > left last October to build on my own > explored what i can do with AI and realized video editing could benefit tremendously > started Reelful > released the first version on the app store in April > got into speedrun as a solo founder > assembled a team > released the second version of the app and got featured by techcrunch > now we’re ready to grow and scale during speedrun 🚀

speedrun 007 is kicking off in a couple of days. here’s my story how I got in > I was ML engineer at snapchat building image and video generation models > left last October to build on my own > explored what i can do with AI and realized video editing could benefit tremendously > started Reelful > released the first version on the app store in April > got into speedrun as a solo founder > assembled a team > released the second version of the app and got featured by techcrunch > now we’re ready to grow and scale during speedrun 🚀

10,680 views • 2 months ago

pick the side

pick the side

24,669 views • 9 months ago

what if Claude Code + Remotion lived on your phone? I made an app where you get ready-to-post reel in just a few clicks! no dragging timelines. no voice recording. even no prompting give it a try!

what if Claude Code + Remotion lived on your phone? I made an app where you get ready-to-post reel in just a few clicks! no dragging timelines. no voice recording. even no prompting give it a try!

16,012 views • 5 months ago

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