OpenAI has released its most advanced AI models yet—o3 ando4-mini on Wednesday. These models are a real step up in how artificial intelligence can reason, solve problems, and even use tools to get ...

Two new models have been added to OpenAI's o-series: o3 and o4-mini. Two visual reasoning models. Yes, the two models are new, not to be confused with 4o and 4o-mini or o3-mini. The latter is already ...

o3 used to be too slow and too expensive for daily coding—no longer. The latency is now bearable, the price is sane, and the chain-of-thought pays off. On June 10, OpenAI slashed the list price of its ...

Last month, OpenAI released GPT-4.1, a specialized model that excels at coding tasks for software developers. At the time of launch, OpenAI specifically mentioned that GPT‑4.1 would only be available ...

OpenAI released two powerful reasoning models a few days ago that make ChatGPT even more impressive. These are o3 and o4-mini that you can test right away in ChatGPT. They're much better at reasoning ...

First reported by TechCrunch, OpenAI's system card detailed the PersonQA evaluation results, designed to test for hallucinations. From the results of this evaluation, o3's hallucination rate is 33 ...

OpenAI is updating the AI model powering Operator, its AI agent that can autonomously browse the web and use certain software within a cloud-hosted virtual machine to fulfill users’ requests. Soon, ...