Pick the phrase
It should be how buyers describe the problem rather than how you describe your product. Search volume matters less than whether the phrase is the one people actually use in conversation.
Test it by asking customers what they would type. Their words rather than your positioning deck.
Repeat it past the point of boredom
Internal teams tire of a message roughly ten times faster than the market notices it. The moment you are sick of saying it is roughly when people start remembering it.
Change the execution, never the phrase.
Get it into third-party sources
Being the default answer in AI systems means being the brand that listicles, reviews and trade coverage name when that phrase comes up. That is an outreach programme rather than a content programme.