How do machine learning models do what they do? And are they really “thinking” or “reasoning” the way we understand those things? This is a philosophical question as much as a practical one, but a new ...

OpenAI o1 is a new large language model trained with reinforcement learning to perform complex reasoning. o1 thinks before it answers—it can produce a long internal chain of thought before responding ...

Microsoft has introduced a new set of small language models called Phi-4-reasoning, Phi-4-reasoning-plus, and Phi-4-mini-reasoning, which are described as "marking a new era for efficient AI." These ...

DeepSeek released DeepSeek-Math-V2, an AI model specialized for mathematical reasoning, on November 27, 2025. DeepSeek-Math-V2 focuses on theorem proving and self-verification capabilities, and ...

Engineers at the University of California San Diego have developed a new way to train artificial intelligence systems to ...

Forbes contributors publish independent expert analyses and insights. I write about the economics of AI. What looks like intelligence in AI models may just be memorization. A closer look at benchmarks ...

You're currently following this author! Want to unfollow? Unsubscribe via the link in your email. Follow Alistair Barr Every time Alistair publishes a story, you’ll get an alert straight to your inbox ...

There’s a curious contradiction at the heart of today’s most capable AI models that purport to “reason”: They can solve routine math problems with accuracy, yet when faced with formulating deeper ...