Grammarly vs Perplexity comparison
Compare Grammarly and Perplexity in Text item by item — price, plans, specs, Korean support, and commercial-use availability. In the table below, use Show differences only to filter to just the differing rows.
An English writing assistant that works everywhere
An English writing assistant that works everywhere through a browser extension and desktop app, suggesting grammar and spelling fixes, tone and clarity improvements, and sentence rewrites.
Edge vs. similar tools: Its key differentiator is an extension that plugs into nearly every app and website to provide real-time English proofreading.
Cited AI answer engine
An AI answer engine with cited fresh answers, Deep Research, file and app search, the Comet browser, and developer API access.
Edge vs. similar tools: It puts search and citations ahead of general chat, making it strong for fresh information discovery and source checking.
Item-by-item comparison
Pricing
- Free plan
- Yes
- Cheapest paid
- from $30/mo
- Plans
- 3
Specs
- Multilingual
- -
Cross-cutting
- Korean
- Not supported
- API
- No
- Commercial use
- Allowed
Pricing
- Free plan
- Yes
- Cheapest paid
- from $20/mo
- Plans
- 4
Specs
- Multilingual
- Supported
Cross-cutting
- Korean
- Supported
- API
- Yes
- Commercial use
- Allowed
Grammarly vs Perplexity: which should you choose?
- Grammarly and Perplexity can be started for free, so you can see the results first without signing up.
- Grammarly has the higher popularity score (Grammarly 93 vs Perplexity 91), so it has stronger public awareness signals in this category.
- If a Korean environment matters, Perplexity has the edge (Korean I/O).
- To integrate directly into your service, choose Perplexity, which provides an API.

