World knowledge also means knowing the various algorithms and ways particular programming problems are solved.

You can't search what you don't even know exists.

>You can't search what you don't even know exists.

that's not really entirely true -- one can google for "fast pathfinding' and stumble upon A-star , all that had to be queried was the intent/desire.

a lot of smaller agentic models and a lot of harnesses live on that premise.

Keep in mind a web search might not include scanned books baked in the weights ;)

Are Chinese labs also acquiring and scanning books?

I think the big models have adequate recall, so tool use is probably unnecessary, but the user said the correctness of my response is important. Let me look up the data instead of relying on my memory.