The models, gpt-oss-120b and gpt-oss-20b, represent a major shift for the AI company.

For the first time in more than five years, OpenAI is launching a new open language model that appears to be state-of-the-art.

Despite what its name suggests, OpenAI hadn’t released an “open” model—one that includes access to the weights, or the numerical parameters...

OpenAI has removed a feature allowing ChatGPT conversations to be indexed by the Google search engine. The action comes following a growing...

OpenAI's consumer chatbot ChatGPT to hit a new milestone of 700M weekly users.

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

Anthropic has cut off one of its biggest competitors, revoking OpenAI’s access to its Claude family of AI models.

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

OpenAI is focused on taking some major leaps to mark its place in the AI space and keeps on releasing products and initiatives that tend to...

OpenAI just raised $8.3 billion in a fresh round led by Dragoneer Investment Group. The AI startup is well on its way to raising $40 billion...

The venture capital round values the ChatGPT maker at $300 billion, and underscores the fierceness of the A.I. money race.

The oversubscribed round came months ahead of schedule, and is part of OpenAI's strategy to raise $40 billion.

ChatGPT inventor OpenAI, Norwegian industrial group Aker and London-based AI infrastructure provider Nscale have announced plans to build “S...

Anthropic holds 32% of enterprise LLM market share by usage. This is sharp reversal from just two years ago when OpenAI held 50%.

OpenAI said the new Norway-based datacenter comes as the European Union races to achieve AI sovereignty by investing in data center and comp...