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

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 ...

OpenAI says GPT‑5.2 is smarter than ever — but can it actually handle complex reasoning, code, planning and synthesis? I ...

To use ChatGPT GPT-4o for data analysis, you need access to the model, which can be through platforms that offer GPT-4o services, such as OpenAI’s API or integrated tools in environments like Jupyter ...

OpenAI's GPT-4o ChatGPT upgrade, announced earlier this week, was an amazing display of power. The company dropped a big AI live demo ahead of Google's I/O 2024, where Google would talk only about ...

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 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 ...

GPT-5.2 features a massive 400,000-token context window — allowing it to ingest hundreds of documents or large code ...