Anthropic and OpenAI release dueling AI models on the same day in an escalating rivalry

The rivaling AI companies pushed GPT-5.3-Codex and Claude Opus 4.6, and had back-to-back appearances on a tech and business ...

Will the Microsoft-Anthropic deal leave OpenAI out in the cold?

With its early investments in OpenAI, Microsoft got a jump start in the AI race. Now, it’s hoping Anthropic’s Claude can help ...
The News International

Anthropic targets OpenAI ads with new Claude homepage messaging

Anthropic is once again drawing attention for taking subtle but pointed shots at OpenAI. This time, the move comes through a ...
Opinion

Why OpenAI and Anthropic are really fighting about ads

The public spat between OpenAI and Anthropic over ads inside chatbots was noisy, but the substance sits elsewhere. This is an early test example of how AI platforms intend to fund themselves without ...

Anthropic's Claude Opus 4.6 brings 1M token context and 'agent teams' to take on OpenAI's Codex

Anthropic has launched Claude Opus 4.6 with a 1M-token context window, multi-agent “agent teams” in Claude Code, and new API ...

Anthropic and OpenAI push 'agentic' AI into the workplace, forcing enterprises to rethink how work gets done

The push comes as enterprises worldwide rethink how software is built and how office tasks are performed, with developers ...

2 Stocks Powering OpenAI's and Anthropic's Revenue Surge in 2026

Anthropic's sales are set to skyrocket in 2026 and beyond, and these two hardware companies are helping to make it possible.

OpenAI launches standalone Codex app for Apple computers

OpenAI is trying to win market share from rivals like Anthropic and Cursor as AI coding tools gain in popularity.