If by 'real life' for a living, it's nothing to do with AI, programning or computing . I've learned about AI tools from researching, using and querying them. Beware if you ask AI to explain itself, because to specifically ask about the latest model.
Paid Chat GTP apparently has more personal memory and higher credit of tokens. Tokens are a measure computing resources. Some chats require more tokens, due to complexity etc. Neither memory or tokens are quantlified in something common like GB.
Gemini has no persistent memory but the free version seems to allow more tokens than chat GTP. Chat GTP seems a but more mature but Gemini is catching up very quickly. Co Pilot is a mixed bag, 3 different models/apps/interfaces that are not integrated together.
Do you mean my sound system or AI system?
The summary was Gemini responding to my prompt. My contributions were not generated by AI.