Big Tech's earnings spotlight AI investments, but OpenAI's reported revenue and user struggles could complicate things.

OpenAI is expanding access to its most advanced AI models to help businesses and governments shore up their cyber defenses, a sharp contrast to rival Anthropic, which says controlling access to its models is the best way to boost global cybersecurity.

Amazon, Alphabet, Meta and Microsoft report quarterly results after the bell, and OpenAI is likely to be a big topic across the board.

Macy is a writer on the AI Team. She covers how AI is changing daily life and how to make the most of it. This includes writing about consumer AI products and their real-world impact, from breakthrough tools reshaping daily life to the intimate ways people interact with AI technology day-to-day.

The markets overreacted to a report about OpenAI, Ives said.

Artificial intelligence-linked companies, including Anthropic PBC and OpenAI, have been rushing into London for office space in a surge that’s surprised local landlords.

A document posted by OpenAI on Github as part of the open-sourcing for Codex CLI, OpenAI’s most recent flagship coding agent, contains what looks like the entire system prompt for GPT-5.5 in a coding context.

Nvidia, AMD and Broadcom were hit by OpenAI concerns but the focus is now on Big Tech earnings.