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Sam's guide

Friday, September 4, 2026 · San Francisco

Sam's guide — San Francisco tech events, curated daily

“You can see the future first in San Francisco.”

— Leopold Aschenbrenner, June 2024

Today in SF

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  • On now

    Startup IDEATHON

    Free

  • On now

    Robotics & World Models Reading Club 28: Booster T2: The Next Frontier of Open Humanoid Robotics. SF 9/12

    Free · Approval required

  • On now

    RocketRide × SCU Buildathon: Build It. Scale It. Get Paid.

    Click to join: https://luma.com/join/g-B8PjJv64VNq3OCs RocketRide × SCU Buildathon: Build It. Scale It. Get Paid. A collaboration between AI Collaborate at SCU and RocketRide Most student projects die in a GitHub repo. This week, that changes.

    Free

  • On now

    [Online] Rote Playoffs Hackathon - Win a MacBook Pro + iPhone 17

    Free

  • On now

    YC Fellows 2026

    San Francisco, CA, USA · Free · Approval required

  • On now

    The Heist: Actian VectorAI DB Hackathon

    Free

  • On now

    Formosa Founders House Hotpot party

    619 Oak St · Free · Approval required

  • On now

    Dimensional Office Cooling

    We are moving to a new home! Before we go, we'd like to invite you to an office cooling party to celebrate with us. Come hang with fellow robotics builders! 🍹💯 ─── About Dimensional Dimensional builds dimOS, the open-source agent-native operating system for general robotics.…

    Free · Approval required

This Week in Tech

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  • Tomorrow · 2:00 PM

    Berkeley Future And Current Founders Meetup And Poker

    Founders Meetup, cards provided Cards on the table, and the people you’ll end up building with around it. Saturday, September 5 2-5:30 pm Location Near campus, posted once booked Free to attend Optional $5 to $10 donation if you’d like to chip in Good to know Open to current and…

    Free · Approval required

  • Tomorrow · 2:00 PM

    AI Agents Are Here. The Future of Work: How Autonomous AI Is Reinventing Work, Software, and Organizations

    AI Agents Are Here. The Future of Work: How Autonomous AI Is Reinventing Work, Software, and Organizations Saturday, September 5, 2026 2:00 PM – 5:00 PM Stanford Campus Location details will be shared with confirmed attendees.

    Stanford University, Stanford · Free · Approval required

  • Tomorrow · 2:00 PM

    AI for the Rest of Us: A no-jargon, hands-on workshop for people who feel left behind by AI - Members +3

    AI for the Rest of Us: an honest conversation for people who are curious about AI and a little afraid of it. No demos, no jargon. A room to figure out where you stand, together. You run a small business. You coach, you consult, you farm, you make things.

    Frontier Tower @ 14th Floor: Full Floor 995 Market Street, San Francisco · Free

  • Tomorrow · 2:00 PM

    Robotics & World Models Reading Club 27: Rethinking Robot Development: Co-Designing Morphology, Sensing, and Learning. SF 9/5

    Robotics & World Models Reading Club 27: Rethinking Robot Development: Co-Designing Morphology, Sensing, and Learning A high-signal reading group for AI researchers & builders pushing the frontiers of robotic world models, WAMs, and embodied intelligence.

    Free · Approval required

  • Tomorrow · 4:00 PM

    Bayview Happy Hour Cleanup

    Join the Civic Joy Fund, Refuse Refuse, SF Public Works, and the Bayview community for a friendly neighborhood cleanup! Volunteers will meet at Gratta Winery and Lounge (5299 3rd St) to grab our supplies and form our crew.

    5299 3rd St, Bayview · Free

  • Tomorrow · 4:00 PM

    Local AI Workshop

    Back for a 3rd session! AI is not just chatgpt.com where you're reliant on an opaque service provider that is sycophantic, increasingly pricy, changes behavior etc. Much of the AI space is open source and that has engendered a very rich ecosystem of open weight models that you…

    Studio 45 - informal spaces SF · Free

  • Sun, Sep 6 · 2:00 AM

    OpenAI Codex Masterclass: From Prompting to Agentic Workflows

    Click to join: https://luma.com/join/g-NFKmuFKnROzlGnE OpenAI Codex Masterclass: From Prompting to Agentic Workflows Most people use AI in a simple loop: ask a question, get an answer, then ask another question. But that is only a small part of what these tools can do.

    Free · Approval required

  • Sun, Sep 6 · 2:30 PM

    Breaking Models AI Security

    The Bay Area AI Security Research Meetup returns for a focused session on OWASP LLM01:2026 — Prompt Injection. This is the foundational risk in the OWASP Top 10 for LLM Applications, and the 2026 revision reflects a year where prompt injection moved from theoretical to…

    Hacker Dojo, Mountain View · Free

  • Mon, Sep 7 · 10:00 AM

    Founders Bay: Virtual Investor Pitch Session

    Click to join: https://luma.com/join/g-cCV0yvMYOUulXrC Get ready to pitch your startup to leading investors and venture capitalists at the next Founders Bay Virtual Investor Pitch Session.

    Free · Approval required

  • Mon, Sep 7 · 2:00 PM

    Office Hours: Email Marketing — Bring Your Emails, Leave With Better Ones

    Click to join: https://luma.com/join/g-NcnoXMbA6DgD8nS Tired of sending emails that don’t get opened — or worse, don’t get clicks? This monthly session is for founders who want to turn email into one of their strongest growth channels.

    Free

  • Mon, Sep 7 · 4:00 PM

    MD Blockchain Association Virtual Happy Hour

    Click to join: https://luma.com/join/g-t1LHAQSdcMY4QS5 Join the Maryland Blockchain Association's Virtual Learning Panels, dynamic monthly sessions, designed for blockchain professionals, entrepreneurs, developers, attorneys, investors, and enthusiasts across Maryland, the DMV,…

    Approval required

  • Tue, Sep 8 · 2:00 AM

    Co-Founder Setup ungefiltert: Vorausschauend gründen. Was tun, wenn ein:e Mitgründer:in geht?

    Click to join: https://luma.com/join/g-b9PCRivJ0jKAXCc Allein gründen oder mit Co-Founder? Die Entscheidung fällt meist schnell. Doch was rechtlich danach zu regeln ist, wird oft aufgeschoben. Vertrauen ist da, Verträge wirken unromantisch.

    Free

The Weekend

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  • Sep

    5

    Founders Running Club: SF

    9:30 AM · Maritime Museum · Free

  • Sep

    5

    BURNING TOKEN, the AI Global hackathon

    10:00 AM · Frontier Tower @ Spaceship 995 Mark… · Free

  • Sep

    5

    Cafe Cowork: Temporal x Corgi

    10:00 AM · Corgi Cafe

  • Sep

    5

    Bayview 3rd Street Cleanup

    10:00 AM · All Good Pizza, Bayview · Free

  • Sep

    5

    Career Strategy in the AI Economy

    10:30 AM · California Science And Technology U…, Milpitas · Free

  • Sep

    5

    Cardano Meetup w/ Draper U

    12:00 PM · Draper University, San Mateo · Free

Plan Ahead

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  • Sep

    11

    Friday Flight Club: Female Founder Coworking & Lunch

    11:00 AM · 353 Sacramento St, Financial District · Free

  • Sep

    11

    AI Workshop: Getting Started with OpenClaw

    1:00 PM · 456 W Olive Ave, Sunnyvale · Free

  • Sep

    11

    (Invitation Only) K-AI Tech Week Private Networking Reception

    6:00 PM · Santa Clara Marriott, Santa Clara · Free

  • Sep

    12

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

    9:00 AM · 400 Alabama St ste 202 · Free

  • Sep

    12

    Sisters Female Founders Hike

    9:30 AM · San Francisco

  • Sep

    12

    From Idea to Startup: enterpreneurship basics for young founders

    12:00 PM · Menlo Park, Menlo Park · Free

  • Sep

    12

    AI Safety Summit at Stanford

    1:00 PM · Stanford, Stanford · Free

  • Sep

    12

    YC S26 DEMO DAY PARTY CELEBRATION

    7:00 PM · Thriller Social Club, SoMa · Free

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