Last week, OpenAI shocked its users by announcing that its latest GPT-5 AI model would replace all of its previous models, ...

If you are a ChatGPT Plus user, you can access GPT-4o in addition to GPT-5. If you are a Pro user, you can access the entire suite of legacy models, including GPT-4o, GPT-4.5 (research preview), o3, ...

OpenAI’s new flagship AI model, GPT-5, crushes coding tests and complex logic, but lags behind rivals like Claude in creative ...

It's only been out for a few days, but seems that OpenAI's long-awaited GPT-5 model may already be dead on arrival. What's so ...

Anthropic and OpenAI unveiled frontier AI models two days apart, with both achieving virtually identical 74-75% accuracy on industry coding benchmarks, signaling a potential performance ceiling for ...

Grok users, paying or not, have unlimited access to the new Grok 4 model for a limited time, xAI announced on Aug. 10 — a ...