I put ChatGPT-4o and 5.1 through 9 real-world tests — from logic puzzles to coding, writing and image analysis.

OpenAI's GPT-4o, the generative AI model that powers the recently launched alpha of Advanced Voice Mode in ChatGPT, is the company's first trained on voice as well as text and image data. And that ...

Sam Altman says OpenAI's ChatGPT 4o is the "best search product on the web." Altman had a cheeky exchange Saturday with Aravind Srinivas, CEO of AI search startup Perplexity. Altman added that ChatGPT ...

That mainstream deployment shaped user expectations in a way that later transitions struggled to accommodate. In August 2025, when OpenAI initially replaced GPT-4o with its much anticipated then-new ...

There's a new version of OpenAI's GPT-4o model in town. But what it can precisely do seems to be a mystery, even to OpenAI. In an X post on Monday, the company spilled the beans, saying: "there's a ...

When OpenAI released GPT-5 last week, they advertised it as their best AI model yet. In fact, the company seemed so confident in its new model, it unceremoniously deprecated all other models from ...

OpenAI has announced a new model called GPT-4o to power ChatGPT. But, unlike the advancements introduced by previous models like GPT-4, this one brings a massive boost to its multimodal capabilities, ...

OpenAI's ChatGPT platform just became a whole lot more interactive, with the launch of GPT-4o. This "flagship model" analyzes audio, visual and/or text input, providing answers via a real-time ...

It would be easy to assume based on the name "GPT-4o" that OpenAI's new model is merely an iteration on its previous work, and in the strictest sense, that's sort of true. If you look only at ...

OpenAI has this week made available its new and highly anticipated ChatGPT-o1, a groundbreaking new language model designed for complex reasoning and nuanced understanding. This advanced AI system has ...