OpenAI says its ChatGPT service has reached 700 million weekly active users and $13 billion in annual recurring revenue, ...

OpenAI, the artificial intelligence company heavily backed by Microsoft (MSFT) and SoftBank Group (SFTBY), is on track to ...

OpenAI lost access to the Claude API this week after Anthropic claimed the company was violating its terms of service.

OpenAI developed the first AI reasoning model less than a year ago, but the technology has shifted Silicon Valley's focus to ...

OpenAI CEO Sam Altman teased GPT-5 yesterday in a post on X, and now OpenAI’s head of applied research says he’s “excited to see how the public receives GPT-5.” I reported in my Notepad newsletter ...

Financial Times reports Dragoneer Investment Group is providing $2.8 billion to the latest OpenAI funding round.

Anthropic has revoked OpenAI’s access to its Claude AI models for violating its terms of service. Sources familiar with the ...

Anthropic blocks OpenAI from using its Claude model, citing terms of service violations tied to GPT-5 development.

The affordable ChatGPT Go plan might be announced alongside GPT-5, OpenAI's fastest and most capable large language model.

One reason why reinforcement learning—a technique for improving AI models—has become so popular is because researchers can ...

Anthropic has officially stopped OpenAI from using its Claude models. This decision came after reports revealed that OpenAI ...

OpenAI, the company behind ChatGPT, is likely preparing a new subscription plan called 'Go' that could be easier on the ...