Head-to-head · facts checked 15 Sept 2026
Grammarly vs WRITER
WRITER uniquely has 12 features.
From
$12/mo (Pro plan, billed annually)
Free plan
Yes
From
Free trial available; paid plans not publicly priced per seat on pricing page
Free plan
No
The verdict
Grammarly or WRITER?
Section 01
Pricing, plan by plan
Every plan each vendor publishes, monthly and yearly where both are offered.
Grammarly
Free
$0/mo · $0/yr
Write without mistakes, see writing tone, 100 AI prompts/month
Pro
$30/mo · $144/yr
Full sentence rewrites, tone adjustment, plagiarism/AI detection, 2,000 AI prompts/month, 7-day free trial
Enterprise
Contact Sales
Unlimited members, dedicated support, BYOK encryption, data loss prevention, custom roles, unlimited AI prompts
WRITER
Starter
Not publicly stated
Up to 5 users, 5 Playbooks, 1 Personality profile, basic connectors, limited Knowledge Graph — 14-day free trial
Enterprise
Custom pricing
Unlimited users, teams, playbooks, full Knowledge Graph, advanced governance, priority support, AI program management
Section 02
Pros and cons
From each tool's full review, written from the same checked facts.
Grammarly
Pros
- Grammarly works across an impressive range of platforms including Chrome, Safari, Firefox, Edge, Windows, Mac, iOS, Android, Microsoft Word, and Google Docs.
- The plagiarism checker is built directly into the editor rather than being a separate export tool, a useful workflow for academic and content marketing use.
- Real-time grammar, spelling, and punctuation corrections remain reliable and are available even on the free plan.
- The Pro plan at $12/month billed annually unlocks full sentence rewrites, tone suggestions, and style clarity options at a competitive price point.
- Tone detection and brand voice features make it viable for enterprise teams managing content consistency across large organizations.
- Grammarly says it works across more than 500,000 apps and websites, making it one of the most broadly compatible writing tools.
Cons
- The free plan is significantly limited, though it does include tone detection and 100 AI prompts a month alongside basic grammar, spelling, and punctuation; most meaningful features still require a paid Pro subscription.
- Grammarly is now owned by Superhuman, which adds uncertainty about the product's long-term direction.
- Brand voice customization is heavily gated, with free users restricted to a single brand tone while unlimited options require an enterprise plan.
WRITER
Pros
- Proprietary Palmyra X5 model with a one-million-token context window provides serious large-scale processing capability.
- Knowledge Graph grounds AI outputs in company-specific data, style guides, and approved content, reducing hallucinations noticeably compared to generic tools.
- Strong compliance credentials including SOC 2 Type II, GDPR, and HIPAA make it viable for regulated industries.
- Brand voice enforcement is mature and configurable, allowing department-level guardrails and personality profiles.
- Agentic workflow layer lets teams chain tasks together without writing code, enabling real automation at scale.
- Built on a proprietary model rather than being a wrapper around third-party APIs, giving it more control over outputs.
- Positions as a full enterprise AI automation platform, not just a writing assistant, offering broader organizational utility.
Cons
- Pricing is opaque, making it difficult to evaluate cost-effectiveness before committing to a sales conversation.
- The aggressive pivot from brand-voice tool to full enterprise AI platform raises questions about whether the vision is fully realized yet.
- Claimed 500,000+ users figure is unclear, with no transparency on how many are active enterprise seats versus trial accounts.
- The feature set is extremely wide, which can make onboarding and evaluation complex for teams without dedicated AI ops resources.
- Best fit appears limited to larger companies, potentially leaving small and mid-sized businesses underserved.
- Knowledge Graph grounding works in theory but real-world effectiveness depends heavily on the quality of data you feed it.
Side by side
| Company | ||
| Founded | 2009 | 2020 |
| HQ | San Francisco, USA | San Francisco, USA |
| AI model | Proprietary | Palmyra (proprietary LLMs, including Palmyra X5 with 1M-token context) |
| User base | 40 million+ | 500K+ |
| Platforms | Web, Windows, Mac, iOS, Android, Chrome, Safari, Firefox, Edge, MS Office, Google Docs | Web, Chrome Extension, API, iOS (limited) |
| Languages | English primary, with fluency support for non-native English speakers | 20+ |
| Pricing | ||
| Pricing model | Freemium | Subscription |
| Free plan | Yes | No |
| Free trial | Yes — 7-day free trial for Pro | Yes |
| Starting price | $12/mo (Pro plan, billed annually) | Free trial available; paid plans not publicly priced per seat on pricing page |
| Enterprise | Custom | Contact sales |
| All plans | Free — $0/mo Pro — $30/mo Enterprise — Contact Sales | Starter — Not publicly stated Enterprise — Custom pricing |
| Positioning | ||
| Best for | Individuals, teams, and enterprises seeking AI-powered writing assistance, grammar checking, and tone improvement | Large organizations scaling agentic workflows with control and compliance |
| Differentiator | The most widely adopted AI writing assistant, trusted by 40 million users and 50,000 organizations, offering real-time grammar, tone, plagiarism, and AI detection with enterprise-grade security and style guide enforcement. | Agentic workflows with Knowledge Graph, granular governance, and full LLM interoperability |
| Competitors | Hemingway Editor, ProWritingAid, QuillBot, Jasper, Copy.ai, Writer | Jasper, Copy.ai, Notion AI, Grammarly Business, Persado |
| Features | ||
| Agent Governance | — | ✓ |
| Brand & Voice Profiles | — | ✓ |
| Cross Team Workflows | — | ✓ |
| Knowledge Graph | — | ✓ |
| LLM Interoperability | — | ✓ |
| Playbooks & Routines | — | ✓ |
| AI Copywriting | ✓ | ✓ |
| AI Research | ✕ | ✓ |
| Brand Voice | Deep — brand tones (1 on Free, unlimited on Enterprise), style guide, knowledge share, snippets | Deep — Personality profiles, style guides, departmental brand/voice profiles, guardrails enforced across all outputs |
| Bulk Generation | ✕ | ✓ |
| Content Editor | ✓ | ✓ |
| Grammar Style | ✓ | ✓ |
| Image Generation | No | Built-in — image generation listed as a platform capability in the feature comparison table |
| Long Form Writing | ✓ | ✓ |
| Paraphrasing | ✓ | ✓ |
| Plagiarism Checker | Built-in — available on Pro and Enterprise plans | — |
| SEO Optimization | ✕ | ✓ |
| Short Form Writing | ✓ | ✓ |
| Templates | ✕ | ✓ |
| Integrations | ||
| API Access | ✓ | ✓ |
| Chrome Extension | ✓ | ✓ |
| CMS | — | WordPress, and enterprise CMS via advanced connectors |
| Google Docs | ✓ | ✓ |
| Key Integrations | Google Docs, Microsoft Office (Word), Chrome, Safari, Firefox, Edge, Windows desktop app, Mac desktop app, iPhone, iPad, Android, Zendesk (shown in marketing) | Salesforce, Figma, Slack, Google Drive, SharePoint, HubSpot, Confluence, Box, enterprise identity/SSO (SAML), SCIM provisioning, third-party guardrails, custom LLMs |
| Wordpress | ✕ | ✓ |
| Zapier | — | ✓ |
Section 03
Grammarly vs WRITER: common questions
Is Grammarly or WRITER cheaper?
Grammarly's cheapest paid plan is $12/mo (Pro plan, billed annually) and WRITER's is Free trial available; paid plans not publicly priced per seat on pricing page. Compare what each plan includes below before going on price alone.
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