Every AI hackathon in New York, with Bond's picks marked

Thu, Oct 22

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.

Fri, Oct 23 – Sat, Oct 24

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.

Sat, Oct 24 – Sun, Oct 25

AI & Fintech XRPL Hackathon

XRPL

A weekend hackathon on the XRP Ledger where teams ship AI agents and financial apps with mentors and judges from AI, blockchain and finance. For developers, product managers and designers, leading into Ripple's Swell conference.

Sat, Oct 24 · Brooklyn

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.

Sat, Oct 24 · 1 Pennsylvania Plaza

AI Build Day NYC: solve real business problems in one day

A one day hackathon where small teams use AI to solve real workflow and process problems brought by local businesses. Open to beginners with no coding experience, with a chance to keep developing the solution with the business.

Sat, Oct 24

Deal Flow: NYC's First VC Hackathon

A one day hackathon by localhost:nyc and VCLab where teams build software for problems venture investors face, judged by partners from New York funds. For developers interested in fintech and venture tooling, with fund introductions for top teams.

Sat, Oct 24 · 381 Broadway

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.

Thu, Oct 29 · New Jersey

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.

Fri, Oct 30 · New York City

Frontier Hackathon: Build your Autonomous Code Factory

A day long hackathon led by the Obvious research team where participants build autonomous software factories that assign features to coding agents. Free with unlimited tokens, with Obvious credits as prizes for the teams that ship the most.

Wed, Nov 4

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.

Sat, Nov 14 · St. John's University Manhattan Campus

Innodata Hackathon 2026

Innodata

A full day Innodata hackathon where teams build working prototypes on two challenge tracks, Coding Task Factory and Visual Task Factory, for $8,750 in cash prizes. For engineers and AI builders who want a competitive build day.

Sun, Nov 15

SILICON ALLEY HACK | Build Cool Hardware

A one day, application based hardware hackathon where teams of four build connected devices with microcontrollers and sensors, using STM32 development boards provided on arrival. For builders who want to work on physical hardware rather than software apps.