Compare AI tools
Side-by-side: what they do, what they cost, what Kai actually thinks. Pass up to 4 tools via
?tools=claude,chatgpt,gemini.Pick tools (4 selected)
coding
image
productivity
writing
marketing
Elicit S | Perplexity S | NotebookLM S | MagicSchool S | |
|---|---|---|---|---|
| Tagline | AI research assistant for academic literature. | AI search done right. Cited answers, not chat theater. | Google's research notebook. Turns your docs into a podcast. | AI platform built for teachers. Lesson plans + IEPs + admin. |
| Category | research | research | research | education |
| Pricing | Free + $12-$42/mo | Free + $20/mo Pro | Free | Free + $100/yr Plus + school plans |
| Best for | Grad students, researchers, anyone doing literature reviews. | Replacing Google for any question where you want a cited answer in seconds. | Students, researchers, anyone with a stack of PDFs or a topic to learn. | Teachers prepping materials. School districts. |
| Strengths |
|
|
|
|
| Weaknesses |
|
|
|
|
| Kai's verdict | S-tier for academic research. Nothing else comes close for systematic reviews. | S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week. | S-tier for study. The Audio Overview is a killer feature. Try it with three of your favorite PDFs. | S-tier for teachers. If you teach K-12, start here this week. |
| Link | Open → | Open → | Open → | Open → |