Option A: Claude: drafts the first-call brief
Best when: You want text drafted and edited from supplied material
What it does: Claude drafts; you check sources and decide
Strong at: Drafts and edits text; summarises documents and analyses images
Limit: Usage capped in 5-hour and weekly windows
Free plan: Yes, limited; usage resets every five hours
Option B: Gemini Notebook: drafts the first-call brief
Best when: You want answers grounded in your supplied sources
What it does: Gemini Notebook drafts; you check sources and decide
Strong at: Answers source-grounded questions and exports reports to Docs and Sheets
Limit: Cannot access information across multiple notebooks at the same time
Free plan: Yes, limited; 100 notebooks and 50 sources per notebook
Option C: ChatGPT: challenges your outline against the research
Best when: You already have an outline and want a research-based challenge
What it does: ChatGPT lists supporting facts; you write and check the brief
Strong at: Writes and summarises text; analyses files and searches the web
Limit: Free plan limits uploads, images, voice and data analysis
Free plan: Yes, limited; uploads and data analysis capped