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)
Dev Platform
Coding
Image
Productivity
Writing
Marketing
Perplexity S | Sudowrite S | Suno S | Elicit S | |
|---|---|---|---|---|
| Tagline | AI search done right. Cited answers, not chat theater. | AI writing tool built specifically for fiction writers. | Prompt to full song with vocals, instruments, the works. | AI research assistant for academic literature. |
| Category | Research | Writing | Audio | Research |
| Pricing | Free + $20/mo Pro | $19-$59/mo | Free + $10/mo + $30/mo | Free + $12-$42/mo |
| Best for | Replacing Google for any question where you want a cited answer in seconds. | Novelists, screenwriters, fiction short-form writers. | Jingles, intros, demos, sketches, personal use. | Grad students, researchers, anyone doing literature reviews. |
| 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 for fiction. If you're writing a novel, this beats raw ChatGPT every time. | S-tier in its category. The first AI music tool I'd actually listen to. | S-tier for academic research. Nothing else comes close for systematic reviews. |
| Link | Open → | Open → | Open → | Open → |