Option A: Claude: drafts the 60-second script and shot list
Best when: You want a complete first draft to edit
What it does: Claude drafts; you time, check and approve
Strong at: Message, outline and script come from one conversation
Limit: The AI picks the message; a wrong one shapes the draft
Free plan: Yes
Option B: ChatGPT: tags every script line to a claim
Best when: You want control over exactly which claims appear
What it does: ChatGPT extracts and drafts; you confirm and decide
Strong at: Every line carries a claim tag for mechanical checking
Limit: Claim extraction unconfirmed; check every claim against notes
Free plan: Yes
Option C: Gemini: shots first, then voiceover to fit
Best when: The product is visual and shots should drive words
What it does: Gemini drafts shots and narration; you decide
Strong at: Narration length is written to a given time
Limit: Narration drafting unconfirmed; time every line by reading
Free plan: Yes