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In the wake of a much-maligned decision to do business with the Department of Defense, OpenAI is looking to course-correct and win back the public with the release of GPT-5.4, the company’s latest model. OpenAI called the model its “most capable and efficient frontier model for professional work” and claimed that it brings its advancements in reasoning, coding, and agentic workflows under one unified model.
GPT-5.4 is rolling out starting today and will be available in ChatGPT, Codex, and OpenAI’s API. GPT-5.4 Thinking will be available for Plus, Teams, and Pro users, and GPT-5.4 Pro will be available through the API, as well as for ChatGPT Enterprise and Edu subscribers.
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Source: Gizmodo