Writesonic vs Grammarly
Both sit in AI writing & content. Here is how they differ on the things you can actually check.
On price: Grammarly starts $67 a month cheaper than Writesonic ($12 against $79, 85% less) on its Pro tier. Both figures were read from the vendors' own pricing pages on the dates shown below.
Writesonic
writesonic.com
Repositioned from article generation to an AI search visibility platform: it monitors how ChatGPT, Gemini and other AI engines mention your brand, shows where you are missing, and suggests the content to fix it.
Grammarly
grammarly.com
Grammar, clarity and tone suggestions across browser, desktop and mobile, plus generative drafting and a business style guide.
| Writesonic | Grammarly | |
|---|---|---|
| Entry price | $79/mo | $12/mo |
| Entry plan | Starter | Pro |
| Paid annually | $79/mo | — |
| Price checked | 21 Sept 2026 | 21 Sept 2026 |
| Pricing model | Free plan | Free plan |
| Free plan | Yes | Yes |
| Category | AI Writing & Content | AI Writing & Content |
| Around since | 2021 | 2009 |
Every price here was read from the vendor's own pricing page, most recently on 21 Sept 2026. Entry tier only — vendors change pricing without notice.
Writesonic vs Grammarly, answered
- Is Writesonic cheaper than Grammarly?
- No — Grammarly is the cheaper entry point, at $12 a month against Writesonic's $79, 85% less. Writesonic's figure is its annual rate — the vendor publishes no month-to-month price we could read.
- Do Writesonic or Grammarly have a free plan?
- Both do. Writesonic and Grammarly each publish an ongoing free tier rather than a time-limited trial.
- What is the difference between Writesonic and Grammarly?
- Writesonic: Repositioned from article generation to an AI search visibility platform: it monitors how ChatGPT, Gemini and other AI engines mention your brand, shows where you are missing, and suggests the content to fix it. Grammarly: Grammar, clarity and tone suggestions across browser, desktop and mobile, plus generative drafting and a business style guide.
