Free AI events in San Francisco
You don't have to spend a dollar to plug into San Francisco's AI scene. Every free AI event in the city, gathered in one place and verified daily: meetups, workshops, hackathons, and talks with no ticket price.
Sep
9
Wed
Sep
12
Sat
9:00 AM – 9:30 PM PDT
The AI Commerce Gallery: Hackathon
by AI Valley
A San Francisco one-day AI commerce hackathon where teams build and exhibit products for storefronts, operations, fulfilment, payments and agent workflows.
9:00 AM – 6:00 PM PDT
Agents in Production Build Day SF
A San Francisco build day for engineers creating AI agents that act with real user identity, tenant boundaries and permissions rather than broad service access.
2:00 PM – 7:00 PM PDT
AI Infra Signal: Build, Operate and Monetize Intelligence
by Openstages
A Sunnyvale afternoon for practitioners discussing the rapidly changing AI stack, from model development and deployment systems to operating intelligence as a product.
Sep
13
Sun
9:00 AM – 7:00 PM PDT
AI Filmmaking Masterclass + Hackathon
by The Multimodal Society
A San Francisco hands-on day for generative-media makers, combining an AI filmmaking masterclass with collaborative production, a film showcase and networking.
2:00 PM – 6:30 PM PDT
Agentic Commerce: Designing the Next Business Infrastructure
Plug and Play Tech Centerby UCAN by Alibaba Design
A Sunnyvale gathering on agentic commerce, examining how AI systems can take trusted, controllable action across sourcing, fulfilment, service and business workflows.
2:00 PM – 6:30 PM PDT
Agentic Commerce: Designing the Next Business Infrastructure
Plug and Play Tech Centerby UCAN by Alibaba Design
A Sunnyvale meetup at Plug and Play Tech Center on agentic commerce, examining how autonomous AI systems may reshape the infrastructure behind business transactions.
Sep
15
Tue
9:00 AM – 10:00 AM PDT
Agent Harness Workshop with Databricks Omnigent
An in-person Bay Area workshop from Open Source for AI with Databricks Omnigent focused on the practical harnesses around AI agents.
5:00 PM – 7:00 PM PDT
Building with AI Mixer: Mission District
Muddy Waters Cafe & Loungeby Mission Creatives Engineers
A free weekly, in-person Mission District mixer for people actively building with AI. Bring practical questions, tools and results to trade with peers at a Valencia Street cafe and lounge.
6:00 PM – 7:30 PM PDT
Working with AI: Guard Rails
O'Reilly's Pubby San Francisco Working with AI / Developers Interest Group
A free weekly San Francisco developers round table, this week on the safety and security practices teams put around LLM-driven projects before they ship.
Sep
16
Wed
Sep
17
Thu
Sep
18
Fri
Sep
19
Sat
Sep
22
Tue
5:00 PM – 8:00 PM PDT
A Night with AI Builders, Startup Stories & Community
Silicon Valley AI Hubby Silicon Valley AI Hub
A Menlo Park anniversary gathering at Silicon Valley AI Hub, bringing AI builders, founders and community leaders together for a panel, stories and networking.
5:00 PM – 7:00 PM PDT
Building with AI Mixer: Mission District
Muddy Waters Cafe & Loungeby Mission Creatives Engineers
A free weekly, in-person Mission District mixer for people actively building with AI. Bring practical questions, tools and results to trade with peers at a Valencia Street cafe and lounge.
5:00 PM – 8:00 PM PDT
A Night with AI Builders, Startup Stories & Community
135 Constitution Drby Silicon Valley AI Hub
A Menlo Park community night marking Silicon Valley AI Hub's first year, with a panel, startup stories and open conversation for local AI builders.
6:00 PM – 7:30 PM PDT
Working with AI: Unit Tests
O'Reilly's Pubby San Francisco Working with AI / Developers Interest Group
A free weekly San Francisco developers round table, this week on what LLMs do to test coverage and whether generated tests reduce or quietly add technical debt.
Sep
24
Thu
Sep
29
Tue
12:30 PM – 5:05 PM PDT
AI and Corporate Governance: How the Companies Building AI Govern Themselves
California Memorial Stadiumby Berkeley Center for Law and Business
A free UC Berkeley Law convening on the governance choices inside AI companies, bringing legal leaders, executives, board advisers and scholars together at California Memorial Stadium.
3:30 PM – 8:30 PM PDT
GenAI, Vibe Coding and Agentic AI: Talks and Agent Workshops
Silicon Valley AI Hubby TechEquity Ai
A Menlo Park applied-AI forum pairing talks on GenAI, vibe coding and agentic workflows with hands-on AI-agent workshops for builders and organizations.
5:00 PM – 7:00 PM PDT
Building with AI Mixer: Mission District
Muddy Waters Cafe & Loungeby Mission Creatives Engineers
A free weekly, in-person Mission District mixer for people actively building with AI. Bring practical questions, tools and results to trade with peers at a Valencia Street cafe and lounge.
5:30 PM – 8:00 PM PDT
Daytona AI Builders: SF, September 2026
by Daytona
A San Francisco AI engineering meetup from Daytona with WorkOS and LlamaIndex, featuring technical talks, product demos and time to meet local builders.
6:00 PM – 7:30 PM PDT
Working with AI: Requirements
O'Reilly's Pubby San Francisco Working with AI / Developers Interest Group
A free weekly San Francisco developers round table, this week on using LLMs to sharpen requirements work before any code gets written.
Sep
30
Wed
Oct
3
Sat
Oct
6
Tue
Oct
9
Fri
Oct
13
Tue
Oct
17
Sat
Oct
20
Tue
Oct
21
Wed
Nov
4
Wed
Nov
7
Sat
Nov
16
Mon