OpenAI’s o3 and ARC-AGI: an Explainer

A Deep Dive into the ARC-AGI Benchmark, the Hunt for Abstract Reasoning, and What Still Separates AI from Human Minds. How does o3 work and what does it say about us?

What is ARC-AGI? How do we know it’s a good test of human intelligence? I’ve never heard of this thing! Didn’t o3 kind of cheat on it by training on it ahead? Is o3 passing ARC-AGI really that big a deal?

I’ve gotten so many questions like this, and I’m doing a whole post just to answer them. This is why ARC-AGI is a big deal, this is also why it can be…