It's only an acceptable answer when used sparingly. The more often it's used, the more questions arise about your role in that meeting.

True, but only for things that that your colleagues don't expect you to know already. Remember the "I'll circle back" meme about Jen Psaki? This response can only be used sparingly before it's seen as a sign of underpreparedness/inability to do back-of-the-envelope thinking.

Why would they ask you when they can ask Claude then?