For a man who’s spent his career battling to make France more pro-business, Europe’s prospects on artificial intelligence are worrying: an oversight that could cost the bloc dearly.

French President Emmanuel Macron said Tuesday there was a "need for rules" to govern artificial intelligence, in an apparent rebuff to US Vice President JD Vance who had criticised excessive regulation.

France will announce private sector investments totalling some 109 billion euros ($112.5 billion) in its artificial intelligence sector during the Paris AI summit which opens on Monday, President Emmanuel Macron said.