Introducing GPT-5.4
OpenAI Blog
OpenAI released GPT-5.4, a new frontier model designed for professional tasks with improved coding and tool-use capabilities. The model supports a 1 million token context window. Organizations can now use a more capable model for complex technical work and longer document processing.
Why it matters
Introducing GPT-5.4, OpenAI’s most most capable and efficient frontier model for professional work, with state-of-the-art coding, computer use, tool search, and 1M-token context.