Surprisingly, the OpenAI study shows that the best performing model was Anthropic’s Claude Opus 4.1, which outpaced not only OpenAI’s GPT-5 but also Gemini and Grok.

Hallucinations are when chatbots confidently present wrong information as fact. They plague the most popular chatbots, like ...

It’s not news that AI models will lie. By now most of us have experienced AI hallucinations, or the model confidently giving ...

In addition to measuring overall user and usage growth, OpenAI's paper also breaks down total usage based on when its ...

OpenAI’s latest research paper diagnoses exactly why ChatGPT and other large language models can make things up – known in ...

In a landmark study, OpenAI researchers reveal that large language models will always produce plausible but false outputs, ...

Research shows advanced models like ChatGPT, Claude and Gemini can act deceptively in lab tests. OpenAI insists it's a rarity ...

That doesn't mean people are using the chatbot less. ChatGPT has about 700 million weekly active users worldwide, sending ...

In a paper, OpenAI identifies confident errors in large language models as intentional technical weaknesses. Fixing them requires a rethink within the industry.

A new research paper from OpenAI asks why large language models like GPT-5 and chatbots like ChatGPT still hallucinate and ...

OpenAI study has highlighted how people are using ChatGPT, with 73% conversations being non-work related as of July 2025 ...

OpenAI’s latest study finds ChatGPT is shaping daily life more than work, with women users now in the majority.