Zo + Open Source AI: I Built 3 Real Tools to See What’s Possible

I’ve been saying it for a while now: open source AI models are catching up fast. But after spending a few weeks actually *building* with three of the newest ones – MiniMax M2.5, Kimi K2.5, and GLM-5 – I can say they’re not just catching up. For everyday tasks, they’re genuinely competitive with the frontier models I’ve been paying for.

In this post, I’m …