What's changing?
The search layer can weigh natural language, semantic similarity and context signals in addition to classic keyword matching.
Glossary
AI Search
AI Search is a collective term for search techniques that use context, meaning, and intention to search more relevantly than with only literal word agreement.
Where does it help?
Especially with descriptive search questions, customer language that differs from catalogue language and inspiration-oriented product discovery.
What remains exactly?
SKUs, brand names, model codes and other identifiers still require strong exact matching.
How do you judge it?
Test with real queries and look for relevance, CTR, zero-result searches and conversion rather than just to used technique.