

World's Largest Hermes Buildathon | SF 🇺🇸
​Join the SF edition of the
World’s Largest Hermes Buildathon.
​Backed by OpenAI, Convex, Cloudflare, ElevenLabs, Linkup, Dodo Payments, & Wispr Flow. Proudly presented by GrowthX.
​This is not a regular buildathon.
You will build, launch, get users, and chase revenue in 8 hours.
​Who is this for?
​AI-first engineers
Founders
Product leads
Growth engineers
Forward-deployed engineers
GTM and growth operators
​Meet Our Partners
​OpenAI is the AI Partner for The World's Largest Hermes Buildathon, giving thousands of builders across 10 cities free API credits to prototype and ship AI agents on GPT-5.5.
​Convex is the Database Partner, giving builders real-time sync, backend functions, workflows, and vector search so they skip backend plumbing and ship faster.
​Wispr Flow is the Dictation Partner, letting builders dictate prompts, PRDs, docs, and implementation plans far faster than typing. In an 8-hour buildathon, teams move at the speed of thought.
​ElevenLabs is the Voice Partner, giving agents a voice, personality, and real conversational ability through voice cloning, low-latency responses, and multilingual support.
​Cloudflare is the Hosting Partner, taking products from laptop to live in minutes with global deployment, AI Gateway observability, and usage tracking.
Linkup is the Web Search Partner for The World’s Largest Hermes Buildathon, giving builders real-time web search for AI agents through a single API.
​Dodo Payments is the Payments Partner for The World’s Largest Hermes Buildathon, helping builders start accepting payments in under 5 minutes. Meet your hosts
​Udayan Walvekar
Udayan Walvekar is the Founder & CEO of GrowthX one of the most active AI builder communities (200K members) in the world.
​Saloni Aggarwal
Saloni Aggarwal leads Founding Growth at Tandem AI, helping enterprises adopt AI agents at scale.
Kishan Rao
Kishan Rao is the Sr.Engineering Manager at Okta, where he leads work across AI security, cloud infrastructure, and Kubernetes delivery at scale.