ChatGPT vs Grammarly
What each one’s own pages state, side by side. Every value is a quote AirStack found on that product’s pages; “Not observed” means AirStack has not found it on that product’s pages.
| ChatGPT | Grammarly | |
|---|---|---|
| What it says it does | Intelligence for everyday tasks chatgpt.com | Grammarly: Free AI Writing Assistance Product grammarly.com |
| Starting at | Not observed | free plan listed |
| Platforms | Android, iOS, web chatgpt.com | Grammarly for Mac, Grammarly for Windows, Grammarly for Android, Grammarly for iPad, Grammarly for iPhone grammarly.com |
| Integrations | Canva in ChatGPT, Spotify in ChatGPT, Excel, Word, PowerPoint, and Google Sheets extensions chatgpt.com | Grammarly for Google Docs, Grammarly for MS Office grammarly.com |
| Compliance | Not observed | SOC 2 grammarly.com |
| Free plan | Yes chatgpt.com | Yes grammarly.com |
| Plans | Business, Enterprise, Free, Go, Higher Education, K–12 Teachers, Plus, Pro chatgpt.com | Free, Pro, Enterprise, Grammarly Enterprise, Grammarly Pro, Grammarly for Education, Grammarly for Teams & Businesses grammarly.com |
| Models supported | GPT-6.1 Sol, GPT-6 Astra, GPT-6 Luna, GPT-5.6 Sol Pro, GPT-5 Thinking Mini chatgpt.com | Not observed |
| Pricing basis | Paid plans (Go, Plus, Business, and Enterprise) are priced per user per month. chatgpt.com | We make money from user subscriptions. grammarly.com |
| Customers (their claim) | Not observed | Trusted by 50,000 organizations and 40 million people grammarly.com |
Where they differ
- Grammarly claims SOC 2 on its own pages; ChatGPT’s pages read by AirStack do not mention it.
Prices are list prices as written on each pricing page; check them before you buy. Nothing here is a ranking or a recommendation.