Claude is the model people switch to when ChatGPT's voice starts grating. Its default register is warmer, more conversational, and less hedged — which means humanizing prompts have less work to do here. The trade-off: Claude is more sensitive to prompt phrasing. A small change can shift the whole output.
Conversational. Explanatory, sometimes to a fault. Will ask clarifying questions. Less reflexive structure than ChatGPT — fewer bullets unless the content asks for them.
- Free plan or Pro?
- Free works for the prompt. Pro adds Projects, larger context windows, and access to the strongest model — worth it for heavy writers.
- Which Claude model should I use?
- For writing, the latest Sonnet is the sweet spot of quality and speed. Opus when you need the most nuanced output and don't mind waiting.
- Does the prompt survive across conversations?
- If you use Projects, yes. In the standalone chat, paste the prompt at the start of each conversation.