The opposite of the adjective “powerful” is

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   We live in a world constructed by data and content. With theavailability of AI chatbots, we can generate tons of them, with just a few taps on our keyboards. Undeniably, ChatGPT is a powerful and versatile language model, with the potential to revolutionize how we learn and interact with machines. As the Chinese idiom says, "Water can carry a boat but can also overturn it." This expression is a reminder that everything has its pros and cons, and it's therefore important to remain aware of potential risks and take the necessary precautions. With this in mind, it’s of the utmost importance to use this tool in a responsible and ethical manner, to ensure that the output aligns with the desired use cases.

From: https://elearningindustry.com/a-new-buzz-in-teaching-and-learning-chatgpt