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Sam's guide

Monday, September 28, 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

    AI Reality Summit

    Fairmont San Francisco, Nob Hill · $595 · Approval required

  • On now

    TiE Mumbai's Tech Delegation to USA

    San Francisco Bay Area · Free

  • On now

    Startup Speedrun Hackathon

    $27.5k+ in winner prizes. Thousands more in participant credits and perks. 8 hours to speedrun your startup. On Day 271 of the singularity, Brainbase, Anthropic, Cloudflare, and Stripe are bringing together builders in San Francisco for the Startup Speedrun Hackathon.

    Cloudflare · Free · Approval required

  • 11:30 AM

    Women In investing Networking event

    Flagstar Private Bank, Palo Alto · Free · Approval required

  • On now

    Solana AI & Capital Forum

    The Solana Capital Forum is a curated executive gathering that brings together leaders across traditional finance, digital assets, and next-generation financial infrastructure.

    Free · Approval required

  • On now

    ThinkingAI Agentic Growth Summit 2026

    Most teams have deployed AI. Far fewer have changed how the work actually gets done. The Agentic Growth Summit puts them in one room for a single question: what changes about the operating model when your analytics layer can act, not just report.

    Computer History Museum, Mountain View · Free · Approval required

  • On now

    Build Your AI Co-Founder Hackathon

    You bring the idea. Build the AI that makes it happen. The Challenge Build Your AI Co-Founder is a hackathon where you build and ship a company with a founding team of 2–4 co-founders, combining humans and AI. Every team must have at least one human and one AI co-founder.

    Free · Approval required

  • On now

    DeepTech Investor Connect | InnoTrek USA 2026 | Nasscom x IDTA

    KPMG LLP, Santa Clara · Free · Approval required

This Week in Tech

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  • Today · 5:00 PM

    Hard Things

    Hard Things is back. We’re excited to return to our community of physical AI founders, investors, and ecosystem partners with Chris Yeh. Chris Yeh is the co-author of Blitzscaling, the book that explains how to build world-changing companies like Amazon, Alibaba, and Airbnb in…

    Free · Approval required

  • Today · 5:00 PM

    AI Agents for Data Teams: A Practical Mini-Hackathon

    Bring a real problem. Build something useful. Show what works. Join the Bay Area Snowflake User Group for an evening building with Snowflake’s agentic AI products. Find the right data, access it appropriately, improve documentation, check quality or govern how it is used.

    135 Constitution Dr, Menlo Park · Free

  • Today · 6:00 PM

    Scrappy AI Founders Play Soccer (seed to series A)

    12 Scrappy Founders - outdoor endurance community for founders and investors the Bay Area. What is this? 18 AI founders and investors play two 5x5 soccer games. Think an hour of running around, some friendly competition and drinks after. Who is it for?

    Free · Approval required

  • Today · 6:00 PM

    Founders Candlelit Dinner

    Join us for an intimate invite-only Founders Candlelight Dinner with 529 Labs, Sprinto and Fondo. We’re bringing together 25 founders for dinner, drinks, candle painting and flower bouquet making 🕯️💐 Just a really nice night to meet other founders, make something, eat good…

    Free · Approval required

  • Today · 6:00 PM

    Above the Fog: Founders × Investors Rooftop Mixer

    No panels. No pitches. No awkward networking games. Just an evening on a San Francisco rooftop with an intentionally curated mix of SF Startup Labs founders, investors and operators, drinks in hand and the city around us.

    Free · Approval required

  • Today · 6:00 PM

    Degrees of Freedom: Robotics Builders Night @ Mission Robotics

    A twice-monthly working night for people building embodied AI. No robot required. You built the arm at your kitchen table. You trained the policy overnight on your gaming rig. You collected the teleop data in your garage. The one thing none of it came with: labmates.

    Free

  • Today · 6:30 PM

    HACKER'S MOVIE NIGHT

    🎬 Join us for a night of cinematic fun at Hacker Dojo's Movie Night! 🍿 Get ready to laugh, relax, and enjoy a great film with fellow tech enthusiasts. 🎥We'll be screening in 3D 🕶 ✨The Adventures of Tintin✨ (Hidden treasure with Daniel Craig, 2011, 1h 47m) (🍅75% 🍅74%,…

    Hacker Dojo, Mountain View · Free

  • Today · 6:30 PM

    Builders Night

    Builders Night is a weekly space where people show up with a project, work side by side, and leave with more momentum than they could have generated alone. It exists because building can be lonely, and the hardest part is often simply showing up consistently.

    540 Laguna St, San Francisco + 540 Cafe · Free

  • Today · 7:00 PM

    90/30 Club Reading: DeepSeek-V4.1-Flash: Pushing the Limits of KV Cache Compression

    Come join us for a group discussion of "DeepSeek-V4.1-Flash: Pushing the Limits of KV Cache Compression" Paper link: https://arxiv.org/abs/2609.19969 DeepSeek-V4.1-Flash targets the real cost bottleneck of long-horizon agents—input-heavy prefill and enormous KV caches—using…

    Mox, SoMa · Free

  • Today · 7:00 PM

    SF Lean Meetup

    Abstract: "A case study of the only public formalization of the topological classification of surfaces, a one-month project by myself and Jack McCarthy which grew out of discussions at the SF Lean meetup.

    Mox, SoMa · Free

  • Today · 7:00 PM

    StartX Spring 27 - On Campus Applicant Info Session

    StartX programs accelerate Stanford entrepreneurs through a uniquely founder-led model that combines deep mentorship, peer-to-peer accountability, and a trusted community that moves fast and shares honestly.

    Stanford University, Stanford · Free

  • Today · 7:30 PM

    Pebblebed's Builders Late Night Café

    There's something magical about working late with other people who are also in the zone. That flow state hits different - focused energy and the smell of fresh coffee.

    Free · Approval required

The Weekend

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  • Oct

    2

    SF Hacks × GDG AI Hackathon 2026

    9:00 AM · Student Life Events Center / Annex I · Free

  • Oct

    2

    Oakland Tech Week: Build Different: AI x Community Design Sprint

    1:00 PM · Community Hub, Oakland · Free

  • Oct

    2

    LightRail AI Product Launch

    5:00 PM · Free

  • Oct

    2

    Tech Makers Goes West @Mission Robotics - Pitch Night and Drinks

    5:30 PM · Mission Robotics, Mission · Free

  • Oct

    2

    Storytelling For Tech

    6:00 PM · Lucas Hall, Santa Clara · Free

  • Oct

    2

    Bay Area Nix Meetup first Fridays at UC Berkeley’s OCF on October 2nd 6PM to 11PM 🕚

    6:00 PM · Open Computing Facility, Berkeley · Free

Plan Ahead

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  • Oct

    4

    Nordic AI Frontiers @ SF TECH WEEK

    7:00 AM · San Francisco · Free

  • Oct

    5

    The MCP Gateway during SF a16z TechWeek

    9:30 AM · JOE & THE JUICE · Free

  • Oct

    5

    The Integration Layer for AI Agents during SF a16z TechWeek

    1:00 PM · Yes SF Headquarters, Financial District · Free

  • Oct

    5

    Agents in Production: Shared Memory (SurrealDB x Mastra)

    5:00 PM · AWS Builder Loft, Financial District · Free

  • Oct

    5

    AI-POWERED NETWORKING

    5:00 PM · 300 Montgomery St, Financial District · $10

  • Oct

    5

    Demo Night @ WorkOS (October)

    5:30 PM · WorkOS · Free

  • Oct

    5

    Builders x Bosses x Beers at Club 345 #SFTechWeek

    6:00 PM · 345 California St, Financial District · Free

  • Oct

    6

    AI basics: agentic AI part 2

    9:00 AM · Free

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