OpenAI Unveils o3 and o4-mini: Pioneering Image-Based Reasoning Models
OpenAI introduces o3 and o4-mini, two groundbreaking models capable of advanced reasoning with images, marking a significant leap in AI’s ability to understand and manipulate visual data.

Just two days after dropping GPT-4.1 like it’s hot, OpenAI is already turning up the heat with not one, but two shiny new models: the brainy o3 and its savvy little sibling, o4-mini. The o3? It’s basically the Einstein of AI right now, crushing coding, math, and science like it’s nothing. And the o4-mini? Don’t let the ‘mini’ fool you—it packs a punch, offering top-notch performance without burning a hole in your pocket.
Here’s the kicker: these models aren’t just smart; they’re like the Swiss Army knives of AI. They can juggle all of ChatGPT’s tools—web browsing, image generation, you name it—making them ace at solving those head-scratching, multi-step puzzles. It’s like watching AI grow up and start doing its own homework.
But wait, there’s more. These models can actually ‘see’ and make sense of images. Whiteboard scribbles that look like a toddler went wild? No problem. Sketchy diagrams that barely pass as art? They’ve got it covered. It’s not just about seeing; it’s about understanding and tweaking images as part of their thought process.
And for the coders out there, OpenAI’s throwing in the Codex CLI—a new coding buddy that hooks you up with their models for some local code magic. Starting with o3 and o4-mini, but GPT-4.1’s invite is in the mail.
This all comes hot on the heels of Sam Altman’s latest ‘state of the union,’ where he hinted at speeding up the o3 and o4-mini rollout. Why? Because they’re not just stepping stones to GPT-5; they’re catapults. Plus, with demand expected to skyrocket, it’s better to be early than sorry.
Starting today, if you’re rocking ChatGPT Plus, Pro, or Team, you’re in luck—o3 and o4-mini are all yours. And for the Pro crowd, keep your eyes peeled for o3-pro, the even beefier version, coming to a screen near you soon.