Ludum Dare 59 just wrapped up last week, and both first and second place were won by developers using "Agentic" coding tools, something the community there is still discussing:

https://ldjam.com/events/ludum-dare/59/setidream/about-ai-ar...

For what it's worth, the non-AI-coded entries were still quite good relative to the winners, so it's not so obvious that AI use confers an unbeatable advantage.