Event intelligence / ranked daily

The Bay Area’s best events—ranked by signal.

Curated for founders and investors. Every event scored, researched, and summarized so you can skip the firehose.

Select by dateSaturday, September 12

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Saturday, September 12

Saturday, September 12 · Times in PDT

Must Attend

Tier 01 · 2 events

018.3Signal / 10Must AttendHackathon

Open Model Hack - Gradient x Google Deepmind

Sat · Sep 12, 9:30 AM San Francisco, CA San FranciscoTLDRA day-long buildathon with Google DeepMind where AI engineers and researchers hack on cutting-edge open models alongside founders — a hands-on way to scout frontier-model talent and teams.Room signal202 goingHosts not yet researchedView on Luma

028.0Signal / 10Must AttendHackathon

CoreWeave Hacks: Agent Loops Hackathon with Weights & Biases, AGI House, and TypeSafe AI

Sat · Sep 12, 9:00 AM 400 Alabama St ste 202 San FranciscoTLDRAI-agent hackathon co-run by CoreWeave, Weights & Biases and AGI House — 200+ builders in SF working on agent loops; prime scouting ground for founders and investors tracking agentic AI.Room signal204 goingHosts not yet researchedView on Luma

Strong Pick

Tier 02 · 6 events

037.5Signal / 10Strong PickHackathon

Live Models Hackathon, hosted by Visko x Reactor x Nebius

Sat · Sep 12, 10:00 AM Ferry Building San FranciscoTLDRAn in-person "Live Models" hackathon at the Ferry Building, backed by AI-cloud host Nebius (avg 198 attendees across 3 prior events) and Reactor — a strong night to watch builders ship frontier-model apps and scout early teams.Room signal41 goingHosts not yet researchedView on Luma

047.3Signal / 10Strong PickHackathon

AI + Education Hackathon@Stanford

Sat · Sep 12, 9:00 AM Stanford, CaliforniaTLDRBeta University's AI + Education hackathon at Stanford draws ~293 builders — a strong chance to meet and scout early AI founders before they hit accelerators like YC.Room signal293 goingHosts not yet researchedView on Luma

057.3Signal / 10Strong PickHackathon

🔥 AI Hackathon with $4500 cash prizes - Qoder & Neo4j

Sat · Sep 12, 9:00 AM San Francisco, CaliforniaTLDRSF AI buildathon with $4,500 in cash prizes, backed by Neo4j and Qoder, drawing ~190 builders — a hands-on way to scout shipping AI talent and teams in one day.Room signal192 goingHosts not yet researchedView on Luma

067.3Signal / 10Strong PickAI

AI Infra Signal: Build, Operate, and Monetize Intelligence

Sat · Sep 12, 2:00 PM San Francisco, CA SunnyvaleTLDRFrontier-AI infra summit on building, operating, and monetizing production systems, drawing 190+ researchers, founders, and investors; hosted by OpenStages, whose prior Bay Area events averaged 270+.Room signal192 goingHosts not yet researchedView on Luma

077.0Signal / 10Strong PickHackathon

Agents, Everywhere: Global Hackathon with OpenAI • CopilotKit • openrouter [virtual]

Sat · Sep 12, 10:00 AM San Francisco San FranciscoTLDRGlobal AI-agents hackathon backed by OpenAI, CopilotKit and OpenRouter — a build weekend to ship agent prototypes and plug into the dev-tools ecosystem, if a virtual format fits your calendar.Room signal179 goingHosts not yet researchedView on Luma

086.8Signal / 10Strong PickFounder/Investor

HYSTA Founders Club Annual Demo Day Preliminary Pitch

Sat · Sep 12, 12:30 PM San Jose, CaliforniaTLDRHYSTA's Founders Club Annual Demo Day preliminary pitch in San Jose — a pitching stage that puts early-stage founders in front of Bay Area investors and fellow operators.Room signal71 goingHosts not yet researchedView on Luma