Its focus was supposedly on AI safety and how governments could ensure their citizens' jobs, or even lives, weren't threatened by the rapid rise of superintelligent AI that tech bosses assured them was just around the corner.
Paris AI summit shows rift between regulation and innovation The AI Action Summit is arguably a coming together of the most powerful people in the world.
French President Emmanuel Macron is keen to steer the conversation away from the risks of a race towards computer superintelligence and towards how AI tools can be used for things societies need, such as curing disease and improving public services.
The big tech firms want to talk about that too, and how Mr Trump's plans for the lightest-touch regulation are the only way to ensure the AI innovation that governments want.
That is at odds with the EU's tougher regulatory stance on AI - and the views of many AI experts on the sidelines of this summit.
