Introducing GPT-5.4

OpenAI announces GPT-5.4, a frontier model with state-of-the-art coding, computer use, tool search, and a 1M-token context window.

From the source
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.
openai.com

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Announced: 05 Mar 2026 10:00 UTC
Detected: 03 Aug 2026 21:11 UTC (+151d after)
Context window: 1M-token context

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