Meet the builders, exchange ideas, and leave with something new. Around the world or online.
Meta’s 10-day global AI hackathon will give selected developers access to its latest models, live workshops, and expert office hours as they build projects across indie and startup tracks. Entries will be judged on technical skill, execution, and real-world potential, with $1 million in prizes at stake.
Explore eventBuilders will create projects with Codex or the OpenAI API during an online hackathon, then present them at a demo night with Q&A, judging, and community networking. Hosted by startup studio Hexa, local Codex Ambassador Boris de Wit, and supported by North Star and Belgian Codex Ambassador Oleksandr Tsepukh, the competition will award 10 tickets to DevDay Exchange.
Explore eventThe Revenue Engine Hackathon will bring 30 selected, VC-backed startups with more than $2M in funding together for a one-day build, supported by GTM and product experts from HubSpot, lemlist, and OpenAI. Teams will create a working revenue engine tailored to their business, spanning CRM and reporting, AI-powered research, enriched prospecting, and a live multichannel outbound campaign.
Explore eventThis practical AI evening will help women marketers, communicators, copywriters, designers, and content creators build a repeatable campaign workflow while preserving their creative direction and brand voice. Attendees will develop a campaign and learn to spot generic AI content as part of Prosus x Equals AI Nights, a seven-evening series focused on women shaping AI’s impact on work.
Explore eventHacktoberfest México será un hackathon de dos días organizado por Mobil3 y Major League Hacking, donde desarrolladores, founders y builders crearán proyectos con IA open-source y modelos open-weight, desde la formación de equipos hasta las demos finales. Los participantes competirán en siete retos patrocinados por premios y beneficios valorados en cerca de USD 52,700.
Explore eventOn October 28, AI builders will spend a full day developing ideas into projects, with limited spots and free applications. Attendees will collaborate with other AI builders in a hands-on build session.
Explore eventMongoDB will host a one-day hackathon where teams of up to four build Atlas-powered agents for real-world workflows, with a focus on keeping data current and ensuring observability and control. Approved participants will develop prototypes with the potential to win a prize.
Explore eventBuilders will spend a full day creating agentic applications with You.com and AWS, developing real-world use cases into working demos with hands-on support. The day will wrap with team pitches showcasing what they build.
Explore eventEl Build Day de Hacktoberfest México convertirá ideas en proyectos funcionales con IA de código abierto, mentoría y talleres prácticos; los equipos presentarán sus demos ante jueces y competirán en siete retos por premios y beneficios valorados en cerca de USD 52,700. Organizado por Mobil3 y Major League Hacking, el evento reconocerá la calidad técnica, creatividad, utilidad y contribuciones open source.
Explore eventBuilders and business leaders will use Grok Build and Grok Bot to create an AI chief-of-staff bot from realistic workplace communications, no coding experience required. Bots will be judged on creativity, usefulness, stability, and token efficiency, with demos and signed sports memorabilia prizes.
Explore eventCarina Hong, Founder and CEO of Axiom Math, will discuss building AI systems for mathematical reasoning and formal verification as part of the Entrepreneurial Thought Leaders series. Her perspective will draw on her work at the intersection of AI and advanced mathematics.
Explore eventHack for Humanity: Fall 2026 will challenge builders to develop AI-powered solutions for pressing environmental problems affecting local communities, with projects progressing from submission and assessment to development and final presentations. Graduate and undergraduate students and tech startups are especially welcome; winners will receive prizes and certificates, with the opportunity to be featured in The AI Collective’s global newsletter reaching 300,000+ subscribers.
Explore eventHack for Humanity will bring builders and people with firsthand knowledge of community needs together to create practical planning tools using Timefold and an AI-powered MCP server. In a single morning, teams will turn real challenges, such as fair staff rotas or food-delivery routes, into working solutions, followed by demos and judging.
Explore eventMIT.nano will bring together academic researchers, industry veterans, government officials, and entrepreneurs to dig into how nanoscience, AI, and cutting-edge tech are converging to shape the next wave of innovation. Expect deep dives into the research infrastructure and capabilities that'll define technological leadership over the coming decade.
Explore eventViam and MongoDB will host a hands-on robot hackathon, bringing together robotics and database technology for a practical building experience.
Explore eventBuilders will get live teardowns of vibe-coded apps, with practical feedback on reliability, scaling, product decisions, and what to fix next. The session will bring together UpLeveled’s experienced engineering educators and buildathon.eu’s product and go-to-market leaders, including experts from Microsoft, Miro, and LEGO.
Explore eventVahab Mirrokni, a Google Fellow and VP leading cutting-edge algorithm and optimization research, will discuss his work spanning market algorithms, large-scale graph mining, and distributed optimization—drawing from his decades of expertise at Google, Microsoft Research, and MIT.
Explore eventObvious’s applied AI research team will lead a free, 10+ hour hackathon where teams build autonomous software factories, learning to coordinate agent swarms, automate QA, and ship larger features safely. Teams will compete for more than $30,000 in Obvious Fusion credits while working in an Obvious.ai workspace with unlimited tokens.
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