How to prompt GPT-5.4 in finance

OpenAI just released GPT-5.4, their most capable model yet. I wrote a prompting guide to help CFOs get the best out of it.

GPT-5.4 just dropped and it’s a different animal.

It reasons better. It codes better. It can look at a browser screenshot, click through interfaces, send emails, and schedule meetings on its own.

But the part that matters for finance is this: it stays on track when the work gets complex. It doesn’t lose its place halfway through a multi-step task. And it …