Ars Technica has been separating the signal from the noise for over 25 years. With our unique combination of technical savvy ...

Grok 4 made repeated blunders, while o3 played steady ...

One of the few things many disliked about ChatGPT was the confusing number of models. OpenAI claimed GPT-5 would fix this, ...

ChatGPT Plus users not only get an improved GPT-5 experience that lets you pick from a few use cases, you also get some older ...

After a rocky GPT-5 launch, GPT-4o is officially back for paying ChatGPT subscribers. OpenAI CEO Sam Altman also promised ...

GPT-5 Pro, GPT-5 Thinking, and o3 to analyze my code repository - and found surprising differences in detail, reasoning, and ...

Danny McGee puts the DJI O3 Air Unit to the test, analyzing image quality, range, latency, and overall flight performance. From stunning FPV shots to practical in-field use, he breaks down whether ...

In a way, AI models launder human responsibility and human agency through their complexity. When outputs emerge from layers of neural networks processing billions of parameters, researchers can claim ...

David Jewitt at the University of California, Los Angeles, and his colleagues studied images from ground-based and ...

DeepSeek most recently released an upgraded version of its R1 large language model, which it claims is performing near the ...

OpenAI’s o3 has defeated xAI’s Grok in a chess match that took place on Google’s Kaggle platform. But what does it prove?

OpenAI has walked back a controversial decision from last week that removed user access to older ChatGPT models when GPT-5 ...