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
Jasper B | NotebookLM S | Otter.ai B | Perplexity S | |
|---|---|---|---|---|
| Tagline | Marketing-first AI writing. Brand voice + campaign tools. | Google's research notebook. Turns your docs into a podcast. | Meeting transcription veteran. Cross-platform, team-friendly. | AI search done right. Cited answers, not chat theater. |
| Category | Marketing | Research | Meetings | Research |
| Pricing | $49-$129/mo | Free | Free + $17-$30/user/mo | Free + $20/mo Pro |
| Best for | Marketing teams that need brand-consistent output at scale. | Students, researchers, anyone with a stack of PDFs or a topic to learn. | Teams on Windows/PC. Anyone needing cross-platform coverage. | Replacing Google for any question where you want a cited answer in seconds. |
| Strengths |
|
|
|
|
| Weaknesses |
|
|
|
|
| Kai's verdict | B-tier for individuals — Claude does this for less. A-tier for teams needing brand consistency. | S-tier for study. The Audio Overview is a killer feature. Try it with three of your favorite PDFs. | B-tier. Granola is better UX but Otter works everywhere. Pick based on your platform. | S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week. |
| Link | Open → | Open → | Open → | Open → |