OpenAI Reports 400 Million Weekly Users, Doubling Enterprise Adoption

The AI leader faces rising competition from DeepSeek and Elon Musk's xAI while preparing new model releases and securing major investments.

OpenAI's ChatGPT has grown to 400 million weekly active users, a 33% increase since December 2024, according to COO Brad Lightcap.
The enterprise user base has doubled to 2 million since September 2024, with companies like Uber and T-Mobile integrating ChatGPT into their workflows.
OpenAI plans to release GPT-4.5 and GPT-5 models soon, aiming to unify conversational and reasoning capabilities, though exact timelines remain unconfirmed.
Rival AI platforms, including China's DeepSeek and Elon Musk's Grok 3, are challenging OpenAI with claims of cost efficiency and performance benchmarks.
OpenAI is in talks with SoftBank for a $40 billion investment, potentially valuing the company at $300 billion, while rejecting a $97.4 billion bid from Musk.