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Introducing GPT-5.4
March 5, 2026
OpenAI introduced GPT-5.4, describing it as its most capable and efficient frontier model for professional work, with state-of-the-art coding, computer use, tool search, and a 1M-token context. The long context window and improved tool use make it more suited for complex, multi-step workflows, codebases, and document-heavy tasks.
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.
Source: openai.com