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.