Weekly active users of OpenAI's coding agent, 'Codex,' have increased by 400% since the start of 2026, surpassing 5 million. To support this momentum, OpenAI announced the acquisition of cloud ...

Anthropic has handed Petri, its open-source toolbox of AI alignment tests, to Meridian Labs. The company also released Petri 3.0, a change that expands how the open-source alignment-testing toolkit ...

The new unified desktop app comes at a time when OpenAI’s popularity is being challenged by Anthropic. OpenAI is planning to combine its AI chatbot, coding tool and web browser into a desktop ...

OpenAI said it will acquire Astral, a startup that builds tools for software developers. Astral's team will join OpenAI as part of the group running its AI coding assistant, Codex. OpenAI has been ...

Capital flowing to physical and operational layers necessary if AI systems are to scale. The latest artificial intelligence-related transactions show that the center of gravity in AI deal‑making has ...

OpenAI has acquired Promptfoo, an AI security platform designed to help businesses identify and fix weaknesses in their artificial intelligence (AI) systems. This move focuses on enhancing the safety ...

OpenAI has announced plans to acquire Promptfoo, an AI security platform focused on testing and evaluating artificial intelligence systems. The company said the acquisition will help strengthen ...

OpenAI is acquiring Promptfoo, a San Francisco-based AI security startup, in a move that signals how seriously the company is taking enterprise trust as it pushes deeper into agentic AI. The deal ...

OpenAI has announced plans to acquire Promptfoo, a platform focused on testing and securing artificial intelligence systems during development. The acquisition, once completed, will see Promptfoo’s ...

OpenAI has agreed to buy Promptfoo, a startup that enables large businesses to find and fix security issues in artificial intelligence models during their development, part of a push to help corporate ...

OpenAI has announced the acquisition of Promptfoo, an AI security startup founded in 2024 and used by more than 25% of Fortune 500 companies. The terms of the acquisition have not been announced.