In-person AI hackathons in San Francisco, New York, Seattle, Paris, London, Berlin and Amsterdam. Updated .
October 2026 46 hackathons
Bond pickThu, Oct 22 · New York
GTM Build Night: Base44 Hackathon NY
Base44
A GTM hackathon where marketing, sales, RevOps and partnership teams build internal tools such as lead routers and campaign trackers in Base44. Participants get free credits to build with, and top builds win Base44 credits and merch.
Bond pickThu, Oct 22 · London
Grok Bot Community Engineering London Hackathon
Grok Bot
An evening hackathon for community engineers, DevRels and organisers, building community tooling with Grok Bot for context and Cursor for code. Teams ship bots, collaboration engines and event tools, ending with live demos.
Fri, Oct 23 · San Francisco
Intelligence at Work Hackathon
A day of hands-on building with Anthropic and Snowflake, where teams bring a real company problem and their own data to automate workflows or prototype new products. Aimed at engineers, product builders and data teams.
Bond pickFri, Oct 23 · San Francisco
Beta Fund x AWS x OpenAI Multi-Model Hackathon
Beta Fund, AWS, OpenAI
A one day hackathon run by Beta Fund, AWS and OpenAI where founders and technical builders create products that combine multiple AI models. Teams work with AWS experts, and winners picked by audience vote and partner awards can earn further support and investment.
Bond pickFri, Oct 23 · San Francisco
Beta Fund X AWS X OpenAI Multi-Model Hackathon
Beta Fund, Beta University, AWS, OpenAI
A one day multimodal AI hackathon from Beta Fund, AWS and OpenAI, where teams build products that reason across images, video, audio, voice and documents. For builders, researchers and founders who want to find a teammate and ship a working demo.
Bond pickFri, Oct 23 – Sat, Oct 24 · New York
Spooky Civic AI Hackathon: Build Weekend
Tavily, The AI Collective, Bond AI
A weekend civic AI hackathon focused on building tools that help New Yorkers, with tracks including Physical AI for Good. Open to builders in person or virtually, co-hosted by The AI Collective and Tavily.
Bond pickFri, Oct 23 – Sun, Oct 25 · London
Encode London Hackathon
Encode Club
A three day hackathon where teams build projects on AI and Web3 themes, with challenges, bounties, mentorship and judging. For developers, founders, researchers and students who want to build with emerging technologies.
Bond pickFri, Oct 23 – Sat, Oct 24 · Paris
HACKATHON, BUILD WHAT'S NEXT.
FINAXYS
A 24 hour hackathon run by FINAXYS on AI for finance, with challenges such as payment agents, falsified voice detection and supervising multiple autonomous AIs. It is aimed at engineering, data and business students working in teams with expert mentors.
Bond pickFri, Oct 23 · San Francisco
Build for GTM: A Multiplayer AI Hackathon
Laura Cruickshanks, Rajoshi Ghosh, Zack Alspaugh, Anushrut Gupta
An afternoon hackathon where participants learn PromptQL and build AI workflows for go to market tasks such as account research and meeting preparation. It is aimed at sales, marketing and revenue operations teams and startup founders, including beginners.
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Bond pickFri, Oct 23 – Sun, Oct 25 · London
Night Shift: $65K Mubit Hackathon in London
Mubit
An overnight hackathon built around Mubit, where teams route LLM calls through its API and turn corrections into model updates for recurring tasks. For AI builders and developers competing for cash prizes, OpenAI API credits and Mubit credits.
Bond pickSat, Oct 24 – Sun, Oct 25 · San Francisco
Emergent - VibeCon 2026: Vibecode Your Way to a YC Interview
Emergent, Y Combinator
A weekend hackathon at Y Combinator where 175 selected builders use AI to turn ideas into working products, with cash prizes and a YC interview for the winner. For founders, PMs, designers and operators, including non engineers.
Bond pickSat, Oct 24 · New York
Zero-Human Company Hackathon by Terac at Whop HQ
Terac, Whop
A hackathon hosted by Terac at Whop where engineers build AI agents that run a business on their own. For agent builders and engineers, with a previous edition awarding cash prizes.
Bond pickSat, Oct 24 – Sun, Oct 25 · San Francisco
Hack for Social Impact 2026
Hack for Social Impact
A weekend hackathon where teams tackle scoped challenges from local nonprofits and the UN Convention to Combat Desertification, competing for cash prizes. For developers who want to apply their skills to social impact problems using sponsor credits.
Bond pickSat, Oct 24 · San Francisco
Win iPhone Duos at Patch the Conference Hackathon
Bright Data, WeMakeDevs
A one day hackathon at Bright Data where builders find problems with conferences and ship fixes, with sponsor workshops, OpenAI credits and iPhone prizes. For developers and builders in town ahead of GitHub Universe.
Bond pickSat, Oct 24 · London
Company Brain Buildathon
Bond AI
A one day buildathon where participants get early access to the Lightfern Mac app and build plugins that turn company knowledge into a working company brain. For builders, solo founders and operators at any level of AI experience.
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Bond pickSat, Oct 24 · San Francisco
Kane CLI Hack Day, supported by OpenAI
TestMu AI, OpenAI
A one day hackathon for building apps with AI coding agents and validating them with Kane CLI, the TestMu AI testing tool that runs on OpenAI models. Teams compete for over $30,000 in prizes and credits, aimed at developers building with agents.
Bond pickSat, Oct 24 · San Francisco
The Google Gemma Hardware Hackathon
A one day hackathon run by Google DeepMind and AGI House where builders create local edge and physical AI applications with Gemma models. Aimed at developers who want hands on time with open models running on their own hardware.
Bond pickSat, Oct 24 · London
Noetic X Nebius One Day Hackathon
Noetic, Nebius, Imperial Entrepreneurs
A one day hackathon run by Noetic and Nebius where participants build working demos with open models on Nebius Token Factory. For students and builders who want to apply AI to real tasks, with places allocated by application.
Bond pickSat, Oct 24 · London
Real-Time Vision Challenge with XRlabs - NVIDIA x Playground x Oxford Seed Fund
XRlabs, NVIDIA, Playground, Oxford Seed Fund, Imperial Entrepreneurs, OXAI, Oxford VC Network, BridgeFellows
A one day computer vision challenge to build real time AI perception for live surgery using XRlabs data, stack and engineering team. For ML engineers, researchers, students and builders who train and ship vision models, with no medical background needed.
Bond pickSat, Oct 24 · Berlin
DevDay Community Hackathon: Berlin
Max Jendrall, Pauline P. Narvas
A community hackathon focused on building with OpenAI Codex and ChatGPT, with developer, GTM and founder tracks. For developers, students and founders exploring DevDay tools, with a chance to win a ticket to the official DevDay Exchange.
Bond pickSat, Oct 24 · Berlin
Stripe x Supabase: AI Payments for the Real Economy Hack
Stripe, Supabase
A one day hackathon with Stripe and Supabase to build AI software that adapts to the needs of small businesses, ending in finalist demos and awards. Cash prizes and platform credits are on offer for developers and AI builders.
Bond pickSat, Oct 24 · New York
Fitness × AI: A Build Day
AI After 5, Replit
A build day where founders and AI builders create fitness, wellness and longevity apps, matched into teams and finishing with demos. Hosted by AI After 5, a community advancing women in AI, with Replit, and open to everyone.
Bond pickSat, Oct 24 · San Francisco
Lovable x Girls into VC Buildathon
Lovable
A five hour buildathon where teams name a small daily frustration women face and build a fix with Lovable. Hosted by Lovable, Girls in VC and Corgi for women in venture, startups and tech, with no engineering background required.
Bond pickSun, Oct 25 · San Francisco
Gemini 4 Argon SF Hackathon
A hackathon building with Google DeepMind's Gemini 4 Argon model across reasoning, visual coding, robotics and world models, with $20K in cash prizes and DeepMind team judges. For ambitious builders who want to push a frontier model.
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Bond pickSun, Oct 25 · Seattle
Seattle | AI Week Claude Impact Lab Hackathon
Adam Burgh, Nick Ellingson, Peter Chee
A one day social impact hackathon sponsored by Anthropic with the Washington Technology Industry Association, where teams of three or five build open source AI apps, workflows and playbooks for small businesses. For builders who want to apply Claude to practical local problems.
Bond pickWed, Oct 28 · San Francisco
Open Call: ComfyUI Dev Platform Challenge Build Night
ComfyUI, Higgsfield
A build night where developers rebuild generative media apps as open source on the Comfy Developer Platform, with Comfy engineers on hand. Includes talks from ComfyUI and Runpod, demos, and a competition with cash and GPU prizes.
Bond pickThu, Oct 29 · New York
AI Builders Speed Dating hackathon hosted by Lyzr AI & Plug and Play
Lyzr AI, Plug and Play
An evening hackathon that pairs builders who have not met to build a project on Lyzr, starting with a technical workshop and ending with prizes for the top three teams. For AI builders looking for collaborators and a fast build session.
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Bond pickFri, Oct 30 · San Francisco
Night Hack by Founders, Inc
Founders, Inc
A five hour evening hackathon at Founders, Inc. where builders make agents, robots, games or side projects, followed by judging and finalist demos. Cash prizes and Anthropic API credits are on offer for developers who want to ship something fast.
November 2026 24 hackathons
Bond pickMon, Nov 2 · San Francisco
Fireworks: Deploy with Microsoft & NVIDIA
Microsoft, NVIDIA
A build challenge from Fireworks AI, Microsoft and NVIDIA where teams take open models and deploy a specialized model for a task they define. Entrants build evals, tune quality, latency and cost tradeoffs, and compete for a $10,000 prize.
Bond pickWed, Nov 4 · San Francisco
Company Brain Hackathon: Build an AI Agent That Knows Your Organization
An afternoon hackathon where participants build a Company Brain, an AI knowledge system that connects documentation, meeting notes, policies and internal tools for employees and agents. It is part of the TechEquity AI monthly forum series, combining applied AI learning with hands-on building.
Bond pickWed, Nov 4 · New York
Supabase + Sodabase + BuilderBase NYC Hackathon
Supabase, Sodabase, BuilderBase
An evening hackathon where developers build apps on Supabase and connect Sodabase to get a data quality score that counts toward judging. Built for hands on builders, with partner API credits and a prize for the strongest project.
Bond pickFri, Nov 6 · San Francisco
Hack the Feed: Creator Tools Hackathon with Oriane, GMI Cloud & Lovable at Amplitude HQ!
Oriane, GMI Cloud, Lovable
A hackathon to build tools for creators and social media agencies, with build credits from Oriane, Lovable and GMI Cloud. Teams demo their projects to a jury of founders, investors and creators, suited to developers who like shipping fast.
Bond pickSat, Nov 7 – Sun, Nov 8 · Paris
H Company × 42AI | Computer Use Agents Hackathon
H Company, 42AI, Cognition
A 36 hour hackathon organized by 42AI and H Company where teams build computer use agents that complete real tasks across desktop software. Engineers get API credits and mentorship from H Company researchers and compete for 10,000 euros in cash prizes.
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Bond pickTue, Nov 10 · Amsterdam
SAAF Security Challenge: Help secure our agents
SAAF
A one day hackathon where red teams from Prosus and Skuridat attack the open source Shared Audit Agents Framework agents, then teams build defences across the repository. For auditors, developers and security specialists working on AI agents in audit and compliance.
Bond pickFri, Nov 13 · San Francisco
Multi-Modal AI for Education Hackathon @ Snowflake | Beta Fund × Epic
Snowflake, Beta Fund, Epic
A hackathon at Snowflake with Beta Fund and Epic on multimodal AI for education, building tools that use voice, handwriting, images and video to support learning. For builders focused on tools teachers and families trust and on measurable learning outcomes.
Bond pickFri, Nov 13 · San Francisco
SF Frontier Hackathon: Build your Autonomous Code Factory
Obvious
A full day hackathon run by the Obvious research team where participants build autonomous software factories that let agents take on feature work instead of single prompts. Free with unlimited tokens in an Obvious workspace and over $30K in credit prizes.
Bond pickFri, Nov 13 · San Francisco
On-Device AI Hackathon: Cleared for Takeoff ✈️
Viviana Márquez, Heath
A hands-on hackathon where teams of up to four build AI projects that run fully offline using Liquid Foundation Models on Qualcomm hardware. For developers interested in on-device and edge AI, with every project tested with the Wi-Fi turned off.
Bond pickSat, Nov 14 – Sun, Nov 15 · San Francisco
AI Research Hackathon
Iterate
A 48 hour hackathon where teams build autonomous research systems, from self improving models to swarms of agents running their own experiments. Teams use partner tools and benchmarks, then pitch live to judges, investors and researchers.
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Bond pickTue, Nov 17 · London
GTM Hackathon by Granola x Gemini
Granola, Google DeepMind
An evening hackathon at Granola where GTM and marketing leaders build with Gemini API credits and the Granola MCP, then demo to judges. For go to market and marketing professionals curious about AI, with no technical background required.






















