It probably uses Retrieval Augmented Generation, which can still hallucinate, but usually does a better job for niche questions and it can even provide a source sometimes depending on how you set it up

I guess I have been using gemma4 fro more role playing games. Qwen3.5 seems to be better coder actually

I also recommend gemma4 or qwen3.5. Both super solid in my experience for how lightweight they are