Grammarly vs Writer
Side-by-side comparison of Grammarly and Writer: pricing, features, API access, and community ratings.
AI comparison summary
TL;DR: Grammarly excels as an accessible writing assistant focused on grammar checking, proofreading, and tone adjustment across everyday writing contexts. Writer is built for enterprise-scale AI workflows with agentic capabilities, proprietary LLMs, a Knowledge Graph for grounding content in company data, and deeper governance controls. Writer offers API access for custom integrations, while Grammarly focuses on broad out-of-box platform coverage. Choose Grammarly for individual/team writing improvement, Writer for enterprise content automation and AI agent deployment.
| Category | Writing & editing | Writing & editing |
| Pricing | Freemium | Freemium |
| Starting price | USD 12/mo | |
| Free tier | ||
| Audience | Non-technical | All audiences |
| API available | ||
| Open source | ||
| Self-hostable | ||
| Model provider | Grammarly | Writer (own models) with flexibility to use preferred LLMs |
| Founded | 2009 | |
| Headquarters | San Francisco, US | |
| Key strengths |
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