Grammarly vs Writer
A side-by-side comparison of capabilities, autonomy, integrations, and pricing to help you choose.
Short answer: choose Grammarly if you want ai writing assistant that checks, rewrites, and drafts across 1m+ apps and sites (Copilot, freemium); choose Writer if you want enterprise ai platform for agentic content and workflow automation (Supervised agent, enterprise).
| Grammarly | Writer | |
|---|---|---|
| What it is | AI writing assistant that checks, rewrites, and drafts across 1M+ apps and sites | Enterprise AI platform for agentic content and workflow automation |
| Type | product-with-agents | product-with-agents |
| Autonomy | Copilot | Supervised agent |
| Pricing | freemium · $12/member/mo (Pro, billed annually) | enterprise · $29/user/mo (Starter, billed annually) |
| Best for | consumers, smb, mid-market, enterprise | enterprise, mid-market |
| Deployment | saas, api | saas, api |
| Modalities | text, browser, email, api | text, api |
| Models | proprietary, model-agnostic | proprietary |
| Protocols | rest-api | rest-api, function-calling |
| Integrations | Gmail, Google Docs, Microsoft Word, Microsoft Outlook, Slack, Chrome | Gmail, Slack, Google Drive, Microsoft SharePoint, Google Calendar, Gong |
| Capabilities | 5 documented | 4 documented |
Grammarly
- +Works almost everywhere people write (1M+ apps and websites, browsers, email, and desktop apps)
- +Strong free tier with usable everyday grammar, spelling, and tone checking
- +Combines deterministic proofreading with generative drafting and task-specific writing agents in one tool
- -Core behavior is inline suggestions, not autonomous action; the 'agents' are supervised and task-scoped
- -Generative and detection features (rewrites, plagiarism, AI detection) are gated behind paid tiers
Writer
- +In-house Palmyra LLMs plus graph-based RAG and guardrails give enterprises strong control and compliance posture
- +Goes beyond content generation to building and triggering custom agents and multi-step workflows
- +Deep enterprise integrations (Slack, Gmail, Drive, SharePoint, Gong) with event-based automation
- -Enterprise-oriented; large deployments run into six-figure annual contracts
- -Overkill for individuals or small teams that just need a writing assistant
Which should you choose?
Grammarly is ai writing assistant that checks, rewrites, and drafts across 1m+ apps and sites, best for consumers, smb, mid-market, enterprise. Writer is enterprise ai platform for agentic content and workflow automation, best for enterprise, mid-market. The right choice depends on the autonomy level you want, your existing integrations, and your budget, all compared above.
This comparison is generated from the sourced Grammarly and Writer profiles. Open either profile to review its evidence and last-reviewed date.