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 (2 selected)
coding
image
productivity
writing
marketing
Perplexity S | Runway S | |
|---|---|---|
| Tagline | AI search done right. Cited answers, not chat theater. | The pro's AI video tool. Gen-4 is the current bar. |
| Category | research | video |
| Pricing | Free + $20/mo Pro | Free + $15-$95/mo |
| Best for | Replacing Google for any question where you want a cited answer in seconds. | Marketing video, pitch decks, b-roll, creative shorts. |
| Strengths |
|
|
| Weaknesses |
|
|
| Kai's verdict | S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week. | S-tier. Market leader with reason. Start here for serious video. |
| Link | Open → | Open → |