# Build Day: OpenRouter x Meta A build day for developers and builders to work in a room with a short time to turn an idea into something real. It is for people interested in building with Muse models on OpenRouter. - When: Mon, Nov 9, 2026 · 17:30–20:30 (America/Los_Angeles time) - Where: San Francisco, CA, San Francisco, US, United States - Format: In person - Type: Hackathon - Topics: AI, GenAI & LLMs, ML research, Software engineering - For: Software engineers, AI & ML engineers - Price: Free - Organizer: OpenRouter Events - Register and details: https://luma.com/openro-lu9g ## About Build Day: OpenRouter × Meta Something we've never done before... On November 9, OpenRouter x Meta Superintelligence Labs are teaming up for our first-ever Build Day in San Francisco. One evening. A room full of builders. And 60 minutes to turn an idea into something real. The debut of Muse Spark on OpenRouter this summer sparked curiosity across the developer community. Since then, Meta Superintelligence Labs has continued pushing the boundaries of what's possible with its Muse series of models. But what makes Muse different? What can you actually build with it? And why build with Muse… ## Links - On the map: https://events.intentface.com/e/build-day-openrouter-x-meta-san-francisco-2026-11 - As JSON: https://events.intentface.com/api/events/build-day-openrouter-x-meta-san-francisco-2026-11 - More events like this: https://events.intentface.com/llms.txt From Intentface Events, https://events.intentface.com