› ChatGPT Plus is my top pick for chemistry - it works through calculation problems step by step, identifies the limiting reactant and follows rounding instructions.
› For checking individual school-level problems, free ChatGPT or Gemini should be enough.
› This is one of the short answers in the Which AI for what?
› Three options: free, best overall and advanced OptionToolPriceWhen to choose it FreeChatGPT or Gemini (free accounts)FreeCheck homework, balance reaction equations or clarify concepts such as moles, concentration and pH.