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, ...

In keeping with its recently accelerated release cadence, OpenAI has shipped GPT-5.4 (including GPT-5.4 Thinking and GPT-5.4 ...

GPT-5.4 is billed as "our most capable and efficient frontier model for professional work." ...

See how Microsoft Dragon Copilot unifies clinical intelligence, workflows, and partner AI to reduce burden and scale care. Learn more.

OpenAI has launched its Codex app on Windows, bringing a native AI coding assistant with project management, automations, and WSL support for developers.