Option A: Gemini Notebook: cited groupings, then the lesson plan
Best when: You want each group tied to cited evidence
What it does: Gemini Notebook groups and drafts; you correct and decide
Strong at: Every group cites the excerpts behind it
Limit: Unrelated diagnostics not covered; no training use unless feedback given
Free plan: Yes, limited (notebook and source caps)
Option B: ChatGPT: drafts route templates only
Best when: You keep diagnostic text out of any AI tool
What it does: ChatGPT drafts a template bank; you do the rest
Strong at: No diagnostic-derived text is shared
Limit: More assembly work for you
Free plan: Yes, limited (uploads and data analysis)
Option C: Khanmigo: drafts the plan, you keep the grouping
Best when: You already work in Khan Academy
What it does: You write groups; Khanmigo drafts the plan
Strong at: 25+ teacher tools built for lesson plans and differentiation
Limit: Vendor wording does not cover uploading a diagnostic summary
Free plan: Yes, free for teachers; parents and learners pay $4 a month