OpenAI launches GPT-5.4, its most powerful model for enterprise work—and a direct shot at Anthropic

OpenAI has released GPT-5.4, a new AI model the company says is its most capable system to date for professional use. The model combines advanced reasoning, coding, and the ability to autonomously operate computers and software, turning up the heat in the competition for enterprise customers that has been Anthropic’s stronghold.

The new model consolidates some of the capabilities that OpenAI had previously spread across separate models, bringing together the coding strengths of GPT-5.3-Codex—the company’s leading programming model—improved reasoning skills, and the agentic ability for the model to navigate desktops, browsers, and software applications autonomously.

The model is rolling out on Thursday to ChatGPT Plus, Team, and Pro subscribers, as well as through the company’s API. A more powerful version, GPT-5.4 Pro, is also available for users who need maximum performance on complex tasks.

Alongside the model launch, OpenAI is introducing ChatGPT for Excel and Google Sheets in beta, a version of ChatGPT embedded directly in spreadsheets to build, analyze, and update complex........

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