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 ...

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 ...

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 ...

OpenAI today announced the launch of fine-tuning capability for its flagship GPT-4o artificial intelligence large language model, which will allow developers to create custom versions for specific use ...

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 ...

Adam has a degree in Engineering, having always been fascinated by how tech works. Tech websites have saved him hours of tearing his hair out on countless occasions, and he enjoys the opportunity to ...