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Builder's Day

AI developer conference · Hosted by Prisma

Build the next era of software with the people defining it

Spend a day with them. Hear how they think, what they're betting on, and where they see AI heading next. Then stay for ping pong and drinks with the people who'll build it alongside you.

Prisma's robot mascot wearing a rainbow-striped visor, crossed by a prism light streak.

Builder's Day

October 26San Francisco
When
October 26, 2026 · Doors 8:30 AM
Where
SPIN San Francisco · 690 Folsom St #100
Tickets
$250

Speakers from

On stage

Hear it from the people building it

Meet the first 8 speakers, with more to be announced soon. They've founded and sold companies, led teams at the biggest names in tech, and maintained open source tools developers use every day. Today they're at the frontier of AI, building the agents and infrastructure the rest of the industry will build on.

See all speakers

Why come

What you'll leave with

Builder's Day has a single stage, so you'll never miss a talk. Everyone hears the same sessions and walks into every break with plenty to talk about.

Lessons from real projects

Hear how experienced builders design, ship, and operate AI agents. Speakers walk through what they built, what went wrong, and what they would do again.

A room full of builders

Spend the day with engineers, founders, and product people building with AI in San Francisco. Everyone in the room is working through the same problems you are, so conversations start easily.

Ping pong, drinks, and good company

The day takes place at SPIN, a ping pong bar in SoMa. Grab a paddle between talks, then wind down at the afterparty with food and drinks.

The day

Schedule

Doors at 8:30 AM, talks and lightning rounds through 4:00 PM, then an afterparty with food and drinks.

View the schedule

The place

Venue

We're taking over SPIN San Francisco for the day. It's an open, relaxed space with plenty of room to hang out between talks.

See the venue

See you on October 26

Come for the talks and stay for the people. We'd love to see you there.