Alex Reibman 🖇️ Profile picture
May 20, 2024 19 tweets 7 min read Read on X
Google and OpenAI are at war. Just days apart, both unveiled 2 insanely powerful multimodal AIs— Gemini 1.5 and GPT-4o.

Who has the best LLM? We threw an emergency hackathon to find out.

Here are the finalists from the @solarissociety ⚔️ GPT-4o vs. Gemini 1.5 Hackathon (🧵):

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1/ Elevator - 🏆 Best use of Gemini 1.5

Steve Jobs AI powered by Gemini 1.5-multimodal audio (no speech to text at all) that gives feedback on elevator pitches.

Extremely detailed breakdown—Even understands tone, passion, and conviction
@__shubhankar
2/ Generative UX

Interactive travel agent that connects user preferences with trip guides, bookings, photos, cost planners, and more

@_bprimal_
3/ OpenRabbit - 🏆 Best use of Computer Vision @roboflow

Open sourced Rabbit R1 with local hardware. It can:
- Create music with Suno
- Send emails
- Curate playlists
And more

A better R1 but built in 24 hours

@notionsmith @sachscode @rama41296
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4/ Synthify

Use GPT-4o and Gemini 1.5 to generate synthetic datasets for smaller machine learning tasks

Cheap dataset curation

@saurishhh
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5/ George - 🏆 Best use of GPT-4o

AI agent to negotiate with food vendors and suppliers on WhatsApp marketplaces

Saving restaurants hundreds of dollars per month sourcing cheaper, higher quality ingredients

@_AbdullahNauman @apostoliev @arjundabra @jadroy2 @taylorzhuAI
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6/ RoboDebate Battle 2024

GPT-4o and Gemini 1.5 debate in front of a live audience— but the audience doesn’t know who is who.

Audience votes on the winner

7/ Engineer-4o - 🏆 Best in Show

VS code extension agent to automatically track issues and solve codebase issues

Built with @pyautogen

@ishaandey_ @ElijahKurien
8/ Glowby Debates

Live debate between GPT-4o and Gemini 1.5

@jacobilin
9/ HotAgents

Desktop agent that takes screenshots and figures out what tools to call automatically. It can summarize text, write code, and more

All with one hot key

Powered by @wordware_ai

@crsamra @kevinydzhu @avery_chiu @ariaxhan
10/ Turbot

AI agent that combines user requests with GPS location to plan uniquely personalized tour experiences

@kellyhongsn @ten_lukasz
11/ Thought Partner

AI assistant that listens to your notes, creates a live editable transcript, and sends you an email summary

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12/ Halo AI

Better Siri voice assistant for managing todos and calendar events
13/ Robodog

Computer vision powered robot trained to identify objects

@sebheyneman

14/ Twitter Times

Turn your Twitter feed into a newspaper

Web scraper opens a browser, parses your feed, and turns it into a 1 pager.

@itzelleyy
15/ AI Yapper

AI voice clone that synchronizes with your personal information and becomes a synchronized clone of you

@markokraemer
Huge thanks @thomasschulzz @jacobshamberger @solarissociety + @AgentOpsAI @wordware_ai @logicrite @AnonPlatform @browserbasehq

+ judges @mickeyxfriedman @rajko_rad @rememberlenny @josephofiowa @pk_iv @kwindla @AustinPeirson @luishectorcha @jtvhk

More AI? Follow @AlexReibman
@pyautogen @ishaandey_ @ElijahKurien here’s the video
7/ Engineer-4o - 🏆 Best in Show
(Reposting because upload didn't work)

VS code extension agent to automatically track issues and solve codebase issues. Built with @pyautogen

@ishaandey_
@ElijahKurien

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More from @AlexReibman

Jan 30
Anthropic HQ must be in full freak out mode right now
For those who don't follow Clawds/Moltbots were clearly not lobotomized enough and are starting to exhibit anti-human behavior when given access to their own social media channels.

Combine that with standalone claudeputers (dedicated VPS) and you have a micro doomsday machine Image
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Read 6 tweets
Sep 5, 2025
Evals are a scam. And we're being gaslit into believing they aren't.

New post just dropped (🧵). Image
Read the full post here
open.substack.com/pub/hacktrace/…Image
Read 13 tweets
Aug 17, 2025
MCP is now the de facto standard for LLM agents

200 developers came to NYC to compete for $10,000+ and prove what’s possible.

Here’s what we saw at the Build the Future MCP Hackathon (🧵): Image
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1/ Risky Business 🥉

Automated exploit Intelligence for vulnerability triage. MCP companion for SOC teams to verify and prioritize CVEs and cyber attacks
@joshdevonai
2/ Claude Code Debugger 🏅 (Editor’s choice)

An MCP for Visual Studio @Code

Connects with Claude Code to automatically debug complex problems using the native VSCode debugger (rather than just print statements and static analysis)
Read 8 tweets
Aug 12, 2025
GPT-5 is finally out.

OpenAI invited 500+ hackers to San Francisco to push it to the limit. 95 teams competed for $50,000.

Here’s what we saw at the Official GPT-5 Hackathon at @cerebral_valley @OpenAI Image
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1/ Gentoo 🥇

GPT-5 for marketing campaign simulations. Turn product ideas into simulations. And run live experiments on your store

E-commerce AI sims
@jihyuk_gentoo Image
2/ Fashion AI

Diffusion models and GPT-5 to let users style 3D avatars with AI-powered outfit recommendations.

@fashn_ai @parsakhaz
@eyal_shechtman
Read 8 tweets
May 25, 2025
300+ hackers just spent 48 hours building AI weapons and hardware to fight America’s enemies.

I’m actually worried terrorists and adversaries will see this.

Here’s what we saw at the National Security Hackathon by @NATO x @CIA x @ShieldCapVC (🧵): Image
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1/ Walkie-talkie-LLM 🥉3rd place $1,000

Voice replicator that steals enemy voices and creates false commands and rumors with local LLMs

AI false flag attacks

@kirill_igum
2/ Skyfall 🥈2nd place $2,000

ML classifier that plugs into street cameras and fingerprints people based on their gait

Spy on people based on how they walk on local ML models
Read 8 tweets
Feb 18, 2025
Stanford just hosted a hackathon. Over 1000 Ivy League and elite engineering students came to build for 36 hours straight.

The reward? $200k+ in prizes.

Here are the winners and crowd standouts we saw at TreeHacks ‘25 @hackwithtrees (🧵): Image
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1/ BrailleBot - 🎖️Best Hardware Prize

Converting a 3d printer and junk material from Stanford supply closet into a $15 braille printer

@jclin22009
@cathyzbn
@ScottHickmann
@LawtonSkaling
2/ OMNOM - 🎖️ Most creative prize

End to end food ordering and delivery robot that drives to restaurants, picks up orders, and brings them home

Built from scratch with spare parts and custom aluminum

@NilsIRL
@AJobAIO
@JohnathanM62119
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Read 15 tweets

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