Option A: ChatGPT: drafts from your description
Best when: You want ChatGPT drafting from your description
What it does: Builds brief and draft; you check and soften
Strong at: Friction points framed as questions, not complaints
Limit: Non-prescriptive tone not guaranteed; human check required
Free plan: Yes, limited (free tier limits images, voice, deep research, Codex)
Option B: You choose the points; Claude drafts and words them
Best when: You want to choose the talking points yourself
What it does: Proposes points and words them; you choose
Strong at: Nothing added beyond your description
Limit: Tone not guaranteed; human read required
Free plan: Yes, limited (usage capped in 5-hour and weekly windows)
Option C: ChatGPT drafts; Grammarly flags tone slips
Best when: You want drafting and tone-checking by different tools
What it does: ChatGPT drafts; Grammarly flags; you fix
Strong at: Tone pass happens only on your checked draft
Limit: Two tools to manage; tone flags need judgement
Free plan: ChatGPT: Yes, limited; Grammarly: Yes, limited (100 AI prompts per month)