I tried OpenAI's new Agent Builder

Can you finally build agents inside ChatGPT?

Oct 09, 2025

∙ Paid

I can’t catch a break with all these AI releases.

Last week I had queued up a post on Notion 3.0. The app seemed to have cracked the code on the first and last mile problem — so I was excited to dig in.

But then on Monday OpenAI launched a bevy of new features and updates that had me playing catch-up again.

I didn’t get to all the new releases. But I did build my first (tiny) agentic workflow using the new AgentKit.

It’s a simple Agent that doles out recommendations on two things I love: books and music.

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