OpenAI announced that developers can now use ChatGPT o1-pro, its best and most expensive AI reasoning model yet.

At a glance Expert's Rating Pros ・Exclusive access to the Operator agent ・Full access to GPT-4o and all reasoning models ...

The ChatGPT developer hopes to attract B2B business through expensive AI 'agents,' but hallucination remains an unsolved ...

OpenAI has begun rolling out its newest AI model, GPT-4.5, to users on its ChatGPT Plus tier. In a series of posts on X, OpenAI said that the rollout will take "1-3 days," and that it expects rate ...

In a livestream today, OpenAI finally announced the launch of its GPT-4.5 model, but with a twist: For now, using it requires a $200 per month ChatGPT Pro subscription. That’s because the new ...

The research-focused agent shows how a new generation of more capable AI models could automate some office tasks.

It is possible, with OpenAI on Thursday saying ChatGPT now has 400 million ... ChatGPT offers three tiers; a free model, a $20 per month model, and a $200 per month subscription that offers ...

It’s been less than two years since OpenAI introduced ChatGPT and sparked a seismic shift in the AI landscape. Since then, ...

New research agents from Google, OpenAI and xAI show distinct approaches to analyzing complex topics. Here is how they stack ...

Before OpenAI in January launched Operator, its artificial intelligence that uses the web to plan trips, compile reports and ...