This year we set out to build proactive, reliable, personalized agents, conquering Travel first Between designing a new architecture from scratch, using years of data as hot context, and coming up with our own flow for code creation and reviews we had no idea if this was possible, let alone usable or viable for months Pretty incredible looking back at all the problems we had to solve and how beautiful the results are, still awestruck every time it optimizes something we didn't know to ask for Thanks @MattGlein for jumping in headfirst with me and responding to 3am texts Thanks @npew for approving my beta request years ago so I could get unreasonably obsessed Thanks @OpenAI @claudeai @gdb for building such a stepwise jump in engineering It's time to build