RevenueCat Shipyard: Creator Contest Online Collaborate with creators to build their app in 1 month $165,000 in prizes Winners announced 7079 participants
Production Agents Hackathon San Francisco, CA, USA Creators Corner invites you to turn bold ideas into action with an exclusive AI Agents hackathon. Join us to build AI agents that push the limits of LLMs and AI applications! $22,300 in prizes Nov 21, 2025 172 participants
Maximally Grand Indian Hackathon Season Online Build wild. Win loud. The season where hackers don’t quit. ₹ 1,600,000 in prizes Winners announced 441 participants
AI Accelerate: Unlocking New Frontiers Online Unlocking New Frontiers: A Multi-Partner Google Cloud Hackathon $50,000 in prizes Winners announced 2734 participants
Baseline Tooling Hackathon Online Accelerate availability of modern web features $10,000 in prizes Winners announced 2933 participants
Plotly Analytics Vibe-a-Thon Online Create a data app with a dataset and Plotly Studio $1,750 in prizes Winners announced 1473 participants
Accel + Anthropic | Dev Day Community Showcase Bengaluru, India Share what you’ve built using Sonnet 4.5 and showcase your demos to India’s top CTOs, product leaders, and the Anthropic team. Non-monetary prizes Oct 1 – 6, 2025 201 participants
Forum Ventures x Anthropic Agentic AI Hackathon New York, New York, USA Agentic AI for Zero-to-One Company Building Non-monetary prizes Sep 12, 2025 19 participants
OpenAI Open Model Hackathon Online Build with gpt-oss, OpenAI’s open weight reasoning models. $30,000 in prizes Winners announced 8656 participants
DevNetwork [API + Cloud + Data] Hackathon 2025 Santa Clara, CA, USA Join the nation's largest challenge-driven API + Cloud + Data hackathon @ API World 2025! $2,000 in prizes Aug 17 – Sep 5, 2025 717 participants
Qloo LLM Hackathon Online Join Qloo’s first global hackathon, a month-long event inviting developers, builders, and creatives to explore what’s possible at the intersection of LLMs and Qloo’s API. $25,000 in prizes Winners announced 2855 participants
World’s Largest Hackathon presented by Bolt Online Build with AI for a shot at some of the $1M+ in prizes. $1,037,500 in prizes Winners announced 128426 participants
Perplexity Hackathon Online Create an internet-enabled project to inspire curiosity, seek knowledge, or reason through complex tasks. $35,000 in prizes Winners announced 4366 participants
Anthropic London Hackathon Greater London, United Kingdom Participants will get API access to the latest Claude models, learn from our prompt engineers, and connect with leading industry judges. #BuildWithClaude $30,500 in prizes Nov 4 – 5, 2023 145 participants