Alex Reibman 🖇️
@AlexReibman
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Co-founder/CEO @agentopsai Vibes @cerebral_valley Checks https://t.co/7GjxnkUotw ML, agents, and hackathon reporting 🕶️ 🖇️
Joined May 2018
OpenAI just launched their new AI Agents SDK. But before the reveal, we threw an exclusive hack night for San Francisco’s top AI developers from 8pm to 1am. OpenAI just reclaimed the throne. Here here’s what we saw at Hack Night with @OpenAI and @AgentOpsAI (🧵):
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Stanford just hosted a hackathon. Over 1000 students from around the world came to build for 36 hours straight. The reward? $100k+ in prizes. Here are the winners and crowd standouts we saw at TreeHacks ‘24 @hackwithtrees (🧵):
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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 (🧵):
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Software engineers: rest easy. GPT-4 isn't ready to replace you
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This guy on tiktok is crushing job interviews with fortune 500’s and big tech using live AI transcription + ChatGPT
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OpenAI’s biggest rival is shaking things up. Anthropic invited 200+ elite hackers to their SF headquarters to see what’s possible with Claude. Here’s what we saw at the @AnthropicAI x @MenloVentures Builder Day Hackathon (🧵):
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Mistral is France’s answer to OpenAI. And it’s all open source. They just threw Paris’s largest ever AI hackathon. 1,000+ hackers applied to build what’s possible with open source LLMs. Here are the finalists from the @MistralAI x @cerebral_valley hackathon in Paris (🧵):
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Looking for better ways to code with Cursor and came across this banger. Anyone else have workflows that work for them?
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UC Berkeley just hosted a hackathon. Over 1000 students from around the world came to build for 36 hours straight. The reward? $100k+ in prizes. Here are the winners and crowd standouts we saw at CalHacks ‘24 @CalHacks (🧵)
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Never underestimate the open source AI community. These cracked engineers are here to break the limits of what’s possible with local LLMs. We just witnessed some nutty inventions. Here’s what we saw at the @ollama Open Source and Local AI meetup at @cerebral_valley (🧵):
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OpenAI’s biggest competitor just gave AI the ability to control computers. We gave 250+ hackers 24 hours to see what it’s capable of. Here’s what we saw at the Nexgen Computer Use Agents Hackathon w/ @AnthropicAI + @AgentOpsAI @notablecap at @AGIHouseSF (🧵):
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It’s already happening
In 2026, recruiters will be hiring AI Agents for companies, not human employees. Companies will opt to pay $10,000+ per month for agents that work 24/7 instead of employees that work 40 hours per week.
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Meta launched Llama 3 to show the world what’s possible with open source LLMs. 500+ AI engineers just spent 24 hours straight putting it to the test. Here’s what we saw at the @AIatMeta x @cerebral_valley #Llama3Hackathon (🧵):
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Got invited to a pre-New Years Eve party in SF…. But instead of partying, everyone was just hacking on startups and side projects. They were intense. Here are some of the demos we saw from the party animals at @AGIHouseSF (🧵):
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Automated code generation is one of the biggest use cases for generative AI. Meta gave SF’s top hackers 24 hours, thousands of dollars in prizes, and a ton of compute to see what’s possible. Here’s what we saw at the @AIatMeta x @FactoryAI Codegen Hackathon in SF (🧵):
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OpenAI is losing its lead to AI that’s actually Open. And these cracked engineers are here to prove it. Some of the most impressive demos I’ve seen in a long time. Here’s what we saw at the @ollama Open Source and Local AI meetup at @cerebral_valley (🧵):
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OpenAI’s biggest rival isn’t just Deepseek. It’s Google. We invited 200+ hackers to build what’s possible with Gemini multimodal AI and generative video. Here’s what we saw at the @GoogleDeepMind MultiModal Hackathon with @AgentOpsAI @windsurf_ai at @agihouse_org (🧵):
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LLM Fine tuning is here!. San Francisco’s top AI engineers came together to see what’s possible with fine-turning and only 4 hours of hacking. Here’s an exclusive what we saw at the “Anything But Wrappers” hackathon (🧵):
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1/ Baymax. Robot arm controlled by natural language and speech to provide medicine to the elderly/physically disabled. Every single robot control, including inverse kinematics, coded from scratch. 🏆Grand prize winner- $10,000.🏆Elderly citizens award- Free trip to Japan
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Mistral AI is what OpenAI would be if it were actually open. And they just threw the largest OSS LLM hackathon to date. Over 2000 hackers applied to compete for $10k in prizes. Here’s what we saw at the @MistralAI x @cerebral_valley hackathon (🧵):
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2/ Recollect. Automatic OCR scanning + page turning machine to digitize books and print media. 🏅Hardware award. @LawtonSkaling.@kaien_yang .@jclin22009
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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
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3/ GitRizz - 🎖️Editor’s choice. Dating app that finds matches based on your GitHub. AI analyzes your profile creating vector embeddings of your commit history and finds similar matches . Tinder for CS majors . @AlorSahoo .@dtzhou2
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Saw these guys walking around Hayes looking for coworking space, so I invited them to HQ. I was not prepared. These guys are absolutely cracked. Here’s the demos from the Swedish Hack Mafia (🧵):
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For one day only, General Catalyst invited 20 of San Francisco’s top AI entrepreneurs to showcase what’s possible with AI. Live product and raw code only. No pitches. No bullshit. Here’s what we saw at the @cerebral_valley co-working demo session at @generalcatalyst (🧵):
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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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Tough news for FAANG engineers:.Startups don’t want you anymore. Every founder I’ve spoken to is tired of them. Instead, they’re hiring ex-founders— engineers who value ownership and grinding to win.
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SF’s most talented:.-AI researchers.-data scientists.-software engineers . All came to a mansion see what’s possible with AI agents. This stuff is insane. Live tweeting the demos from the AI Agents hackathon at .@agihouse_org w/ @Wing_VC @MultiON_AI 🧵:
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6/ Luna. AI storyteller that live-generates photos while you’re telling a story. Great for kids + fun novelty party game. @Kellyyyeh .@sfkunals
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3/ Good Samaritan. Combining Apple Vision Pro with machine learning to help first responders administer first aid . 🏆Healthcare impact grand prize. @yashdulla .@rayhotate .@ShloakR .@blu3mo
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Model Context Protocol (MCP) is a new open standard for connecting LLMs to tools, data, and dev environments. Anthropic invited 100+ developers to SF to see what we could build in only 3 hours. Here’s what we saw at the @AnthropicAI MCP Hackathon (🧵):
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This weekend, AI engineers from around the world flew to SF to beat, build, and break state of the art AI agents. Powered by AutoGPT, these hackers spent 24 hours testing the limits of what’s possible. Tweeting the finalists from the @Auto_GPT hackathon (🧵):
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Meta invited 13 AI startups using Llama3 to Singapore to show how open source AI can change the world . They put $125,000 on the line. Here’s what we saw from the @cerebral_valley x @AIatMeta Llama Impact Grant Finalists in Singapore (🧵):
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We gave 250+ engineers from around the world early access to: .-Voice.-Agents.-Compute.-Wearables.- and inference APIs. They had 24 hours to hack. Here are the finalists from the "AI Supaheroes" hackathon by @AgentOpsAI x @supabase x @the_builderclub at @solarissociety (🧵):
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OpenAI completely upended all of tech on Dev Day. We launched an emergency hackathon 2 days later. 200+ AI builders, founders, and researchers RSVP’d to hack. On a Wednesday. Here are the top teams from the Emergency GPT Builders Hackathon at @MindsDB (🧵):
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5/ NeuroScribe. Brain computer interface keyboard. Translate thoughts into binary, which can be translated into any language
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We’ve seen tools like Cursor, Copilot and Momentic completely change our workflows. 140+ engineers just spent 24 hours figuring out how to build better, faster software with AI. Here are the demos from the @mintlify AI Devtools hackathon (🧵):.
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7/ Lingua Franca. VR language learning game where you can learn new language by speaking with NPCs. 🏅Prize winner
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We gathered 100+ top developers in one room to show off what’s possible with AI agents. Everything is accelerating. Here’s what we saw at the SF AI Agent meetup by agentops and baserun (🧵):
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This weekend, 400+ AI engineers flew from around the world to SF’s largest AI agent hackathon. Frontier agents powered by tool calling, web browsing, and memory are coming. Tweeting the finalists from the Agents 2.0 Hackathon with @AgentOpsAI and @MultiOn_AI (🧵):
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Essential tools in the 2025 AI agent stack .(bookmark to save for later). Framework.- @pyautogen AG2: end-to-end multi-agent automation platform .- @crewAIInc: Faster, simple, powerful multi-agent framework.- @LiteLLM: Call 100+ LLMs with a single library. Monitoring.-
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California wants to regulate AI. But the open source AI community is still shipping. Ollama gathered 7 top AI startups to show what OSS LLMs and agents can do. Here’s what we saw at the @ollama @thealliance_ai Open Souce and Local AI meetup at @cerebral_valley (🧵):
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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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5/ Synthesis. NLP data pipeline + classifier and LLM summarization tool to collate news from biased sources and distill truthful information . Basically, @Ground_app, but AI. 🏅 Editor’s (me) choice- for most sophisticated architecture . @RonNachum
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Every week, SF’s top AI engineers and startup founders meet up and show what’s new in AI. No pitches. No grifting. Just code. Here’s what some of SF’s best hackers are up to this week at @cerebral_valley 🧵
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(Bonus)/ LlamaFS. Local LLM-powered hard drive file organizer. Automatically rename and categorize messy files and directories with multi-modal AI. Everyone was asking me nonstop what we built, so here it is :). @swayingoak @iyajainfinity @AshwinHegd28838
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8/ Ranger - 🥈Best Idea 2nd place. Augmented reality wearable for the deaf that transcribes audio and shows the directional location of noises. Runs completely offline
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Can't believe more people aren't talking about the OpenAI Cookbook. Total goldmine
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This was easily one of the most technically impressive events I’ve been to in SF. Everything from writing assembly with @realGeorgeHotz to beating ARC SOTA. Here are the demos from the Open Source AGI Hackathon at @AGIHouseSF w/ @NousResearch @__tinygrad__ @PrimeIntellect (🧵):.
opening talk about tinygrad by @realGeorgeHotz for the Open Source AGI Hackathon @AGIHouseSF right now. the crowd here is technical af
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Scraping web data for AI agents sucks. @firecrawl_dev is fixing that. Live demo of Firecrawl turning entire websites into LLM-ready data in seconds w/ @CalebPeffer
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We invited 100+ engineers to take an exclusive look at the latest advancements in AI agent ecosystem. If you’re not following this space, your job is probably going to be replaced by AI. Here’s what we saw in the AI Agent Developer Arena .(🧵):
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300+ veterans, military contractors, and engineers just spent 48 hours hacking AI defense tech. Someone built a laser cannon and the CIA showed up. Here’s what we saw at the @cerebral_valley National Security Hackathon by @CIA x @ShieldCapVC x @anduriltechx x @foundersfund (🧵):
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My co-founder was spending 20+ hours per week handling sales calls. So I built an AI clone of @AtomSilverman to replace him. - @elevenlabsio + @heytavus to create an interactive replica that asks questions related to the deal.- o3 agent reads the transcript and finds identifies
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4/ Smart bike lock. RFID bike lock jerry-rigged together with 9 volt batteries, electrical tape, a 3d printed chassis, and an arruino . @SamDuong1
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4/ Aegis. Biomedical device to dispense medicine in emergency scenarios based on biometric data from wearables (Apple Watch). @dynguyen0.@anshag01 .@rickgxa .@AnshSheth4
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1/ ArxFlix. Turn any research paper into a @twominutepapers style video. Complete with diagrams, text explanation, and voice. 🥈2nd place fine-tuning award
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7/ Super Smash Bros. Recreated in Java. And also displays a fun AI generated fact at the end screen. That’s it. (I really liked this one). @_ayushnayak .@Alan_Ma_
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280 hackers signed up to build what’s possible with the latest advancements in multimodal AI. This is a sneak peak at the new age of the AI-first Interface. Here’s what we saw at the @aiengfoundation Realtime Voice AI and Multimodal Hackathon in San Francisco (🧵):
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HF0 is SF’s most selective startup residency. After 3 months of intense grinding, the founders made an exclusive appearance to showcase their work. 9,000+ teams started applications for HF0. Only 12 were accepted. Here’s look at the @HF0Residency demo day (🧵):
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We invited 200+ engineers to take an exclusive look at the latest advancements in AI agent ecosystem. If you’re not following this space, your job is probably going to be replaced by AI. Here’s what we saw at the @AgentOpsAI x @Relplicate Agent Meetup (🧵):
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11/ Easy Read. Chrome extension for English learners that lets you click to replace complicated words found in websites or papers. Toucan but for English
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9/ Auto LeARn. Car mechanic AR headset to help users fix their cars with videos and AI suggestions
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Reliable function calling has unlocked the hidden potential of AI agents. We challenged 150+ hackers to show us what they’re capable of. Presenting the finalists from the @aiengfoundation RAG+Function calling hackathon (🧵):
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1/ China town mafia - 🥈2nd place. Next gen anti-captcha that detects when AI agents powered by Claude’s computer use try to solve verification puzzles. Honeypot for AI agents. @_weichunnn @benxneo
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10/ Breathe easy. “Breathing” pillow that expands and contracts to match your own breathing pattern. Research suggests this leads to more restful sleep. Inside: mechanical accordion. No need for wires or pumps
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Anthropic is entering the business of killing wrapper startups
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OpenAI has new competition. And it’s name is Claude. Live tweeting the finalists of the first ever @AnthropicAI Hackathon at @cerebral_valley. Meet the best of the 200+ hackers demonstrating what’s now possible with 100k context windows (1/n):
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6/ Engage . Multimodal classroom TA that charts your progrsss analyzes interactions with Gemini to see who’s paying attention and asking questions. AI observability, for students . @nonhausdorff .@BorlettiLuca
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He’s there to teach Apple how to kill wrapper startups
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Apparently we were #1 on Hacker News today??
(Bonus)/ LlamaFS. Local LLM-powered hard drive file organizer. Automatically rename and categorize messy files and directories with multi-modal AI. Everyone was asking me nonstop what we built, so here it is :). @swayingoak @iyajainfinity @AshwinHegd28838
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3/ Robot use - 🥇1st place . Combining Claude computer use with a robot arm and have the LLM perform real world actions. Amazon robot controlled just by uploading the instruction manual to Claude
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OSWorld: Benchmarking Multimodal Agents for Open-Ended Tasks in Real Computer Environments. Ever since OpenInterpreter, we've all been wondering just how effective agents can be if you give them a computer. Now we have a proper benchmark. Let's take a look (🧵):
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2/ CoPlay - 🥇1st place. Cursor for Blender. AI copilot for designing 3d meshes, entities, and game objects. @JosvdWest
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AI Tinkerers is SF’s premier invite-only showcase of innovative and cutting edge AI projects. The line to get in was overflowing. Here’s an exclusive look at what we saw at @AITinkerers (🧵):
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SF’s top AI hackers all came to a mansion to push the creative limits of art and music. These projects are next-level. Tweeting my top picks from the Dreamscape Creativity Hackathon at.@agihouse_org w/ @mantisVC @coatuemgmt 🧵:
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300+ e/acc engineers just spent 24 hours building AI solutions to San Francisco’s most pressing challenges— housing, safety, public health. The Mayor even showed up. Tweeting the finalists building a better future for SF at the @accelerate_sf Hackathon at @fdotinc (🧵):
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10/ Pet Talks . AI camera to translate animal actions and gestures into words to help pet owners understand what their pets are thinking. Ring for bunny rabbits. @_binhle
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Writing code to parse JSON is super annoying (pre-AI). So I wrote an AI agent that does it for me. Launching: Jaiqu— JSON processor queries (jq) in natural language. Here's how it works (1/n)
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Which tools are essential in the Python AI agent stack?. Agent frameworks.- @pyautogen.- @crewAIInc . Monitoring.- @AgentOpsAI. RAG/document loading.- @mem0ai.- @llama_index. Browsing.- @browserbasehq.- @firecrawl_dev.- @MultiOn_AI . Sandboxing.@e2b_dev . who did I miss?.
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HF0 is SF’s most selective residency for repeat founders. After 3 months of intense grinding, the founders made an exclusive appearance to showcase their work. The room was over capacity. Here’s look at the @HF0Residency pitches at the @aiDotEngineer World’s Fair (🧵):
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𝐏𝐫𝐨𝐮𝐝 𝐭𝐨 𝐟𝐢𝐧𝐚𝐥𝐥𝐲 𝐚𝐧𝐧𝐨𝐮𝐧𝐜𝐞 𝐨𝐮𝐫 𝐟𝐮𝐧𝐝𝐫𝐚𝐢𝐬𝐞 𝐟𝐨𝐫 𝐀𝐠𝐞𝐧𝐜𝐲. We’ve secured $2.6M to build generationally important technology and bring AI agents to life. Here’s a look at future we’re building with (🧵):
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10 outlier startups just pitched Silicon Valley's top VCs and showed off what’s now possible with tech and AI. I got an exclusive look. Here’s what the hackers at the world's most selective hacker residency @HF0Residency cooked up at demo day 🧵:
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We challenged 250+ hackers to build Agent Apps with AgentOps. The goal: Make an agent-powered startup in a weekend. AI agents are coming to replace you. Here are the finalists from the Cognitive Agents Hackathon by @AgentOpsAI x @MindsDB x @MayfieldFund (🧵):
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We surveyed thousands of AI agent developers and asked what they wanted to see built. (bookmark for later). Here are 5 AI agents you can build in a weekend with customers ready to buy (🧵):
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Live tweeting the finalists at the ScaleAI hackathon. Buckle up, some crazy projects in here: 1/n
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4/ Continue . Open source coding copilot powered by local LLMs. Available in VSCode. Also now includes continuous fine-tuning models on your codebase. @continuedev.@tylerjdunn.@NateSesti
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7/ THE CAT. Robot rescue cat built to help in fire emergencies by identifying victims and calling 911
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And that’s all I could film! There were wayyy too many projects (at least 400). This was the first student hackathon I’ve ever been to. I’m seriously impressed. Huge shoutout to @MLHacks @hackwithtrees @Stanford. Want to see more hacks, AI agents, and demos? Follow @AlexReibman.
OpenAI is losing its lead to AI that’s actually Open. And these cracked engineers are here to prove it. Some of the most impressive demos I’ve seen in a long time. Here’s what we saw at the @ollama Open Source and Local AI meetup at @cerebral_valley (🧵):
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2/ Microcosm. @websim_ai-style simulator of a virtual world with live news feeds, stock markets, a simulated Wikipedia, and Twitter agents. Create entire virtual world simulations with a single prompt (and in the style of Windows 95). @onetwoval
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Craft Ventures just threw one of SF’s largest hackathons with over $20,000 in prizes. The theme? Agents. 300+ hackers from around the world came to compete. Only 3 claimed victory. Here are the finalists from the @craft_ventures AI Agents #HackAIthon (🧵):
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6/ Tests AI - 🥇1st place. UI tests written in natural language that execute computer use agents to test frontends. @Andy_AJT @benswerd @theshortjacob @anchnk
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