GPT-5.4 is also more reliable, producing 18% fewer errors and 33% fewer false claims than GPT-5.2, according to OpenAI.

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When paired with an AI agent system, GPT-5.4 can click a mouse, type keyboard commands, browse the web, and control computer apps.

Only nine states have (or will have) it—and what's covered can vary Ward Williams is a former Editor for Investopedia focused on student loans and other financial products and services. He has over ...