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Introducing GPT-5.4

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.

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OpenAI Models Agents

OpenAI News

GPT-5.3 Instant System Card

GPT‑5.3 Instant is the newest addition to the GPT‑5 series. As described in our blog⁠, GPT‑5.3 Instant responds faster, delivers richer and better-contextualized answers when searching the web, and reduces unnecessary dead ends, caveats, and overly...

Models

Models