GPT-5.4 is also more reliable, producing 18% fewer errors and 33% fewer false claims than GPT-5.2, according to OpenAI.

While OpenAI is bringing GPT-5.4 to its API and its AI-powered coding tool, Codex, it’s rolling out its reasoning model, ...

When paired with an AI agent system, GPT-5.4 can click a mouse, type keyboard commands, browse the web, and control computer apps.

OpenAI launches GPT-5.4, calling it its most capable and efficient AI model yet, with AI agents, computer control, improved reasoning, and a 1M-token context.

Already bored with ChatGPT 5.3 Instant, which came out Tuesday? OpenAI has a new model family ready for you. The company released two new models, named GPT 5.4 Thinking and GPT 5.4 Pro, on Thursday.

On Thursday, OpenAI released GPT-5.4, a new foundation model billed as “our most capable and efficient frontier model for professional work.” In addition to the standard version, GPT-5.4 is also ...

VS Code's AI Toolkit and Microsoft Foundry can speed up agent development, but real-world success often depends on picking the right runtime and region, keeping tool-driven context under control, and ...