OpenAI's reasoning AI models are getting better, but their hallucinating isn't, according to benchmark results.

OpenAI's newly launched o3 and o4-mini AI models, despite their advanced features, are exhibiting increased rates of ...

OpenAI’s newest reasoning models, o3 and o4‑mini, produce made‑up answers more often than the company’s earlier models, as ...

Comparing AI reasoning abilities reveals OpenAI's o1 model surpasses DeepSeek's R1 in generating accurate, sentence-level ...

Metr, a frequent OpenAI partner, suggested in a blog post that it wasn't given much time to evaluate the company's powerful ...

OpenAI’s o3 and o4-mini models are available now to ChatGPT Plus, Pro, and Team users. Enterprise and education users will ...

OpenAI launched its o3 and o4 mini reasoning models, claiming they approach AGI. However, a report reveals these models ...

AI models are numerous and confusing to navigate, but the benchmarks used to measure their performance are also challenging.

On Wednesday, OpenAI announced the release of two new models—o3 and o4-mini—that combine simulated reasoning capabilities ...

Wei and team don't directly offer any hypothesis about why Deep Research fails almost half the time, but the implicit answer ...

OpenAI launches groundbreaking o3 and o4-mini AI models that can manipulate and reason with images, representing a major ...

GPT 4.1, GPT 4.1 Mini, and GPT 4.1 Nano are all available now—and will help OpenAI compete with Google and Anthropic.