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
Grammarly A | Jasper B | |
|---|---|---|
| Tagline | Grammar check + tone + AI drafting, everywhere you type. | Marketing-first AI writing. Brand voice + campaign tools. |
| Category | Writing | Marketing |
| Pricing | Free + $12-$15/mo Premium + team plans | $49-$129/mo |
| Best for | Non-native English writers, business email, anyone who types a lot. | Marketing teams that need brand-consistent output at scale. |
| Strengths |
|
|
| Weaknesses |
|
|
| Kai's verdict | A-tier for non-native English speakers. B-tier if your English is already strong — Claude does better with tone. | B-tier for individuals — Claude does this for less. A-tier for teams needing brand consistency. |
| Link | Open → | Open → |