
SpecialistOutstanding for context-aware translation and professional writing refinement, but not designed as a dedicated grammar checker.

Grammarly records 58,867,412 monthly visits with -1.5% month-over-month growth and Freemium pricing. Scale records 616,915 monthly visits with +12.5% growth and Contact for Pricing pricing.
The data, evaluations and systems behind AI that has to be right.
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | grammarly.com | scale.com |
| Pricing Model | Freemium | Contact for Pricing |
| Monthly Visits | 58.87M (58,867,412) | 616.92K (616,915) |
| MoM Traffic Delta | -916.08K (-1.5%) |
| +68.69K (+12.5%) |
| Primary Market & Share | 🇺🇸 United States (51.9%) | 🇺🇸 United States (44.2%) |
|---|
| Direct Visits / mo | 25.4M | 191.41K |
|---|
| User Rating | 4.4 | 4.7 |
|---|
| Supported Platforms | Website | Website |
|---|

Cross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.
Works natively inside Chrome, Safari, Firefox, Edge, Windows, Mac, Google Docs, MS Office, and mobile keyboards to flag grammar mistakes, rewrite tangled sentences, and shift tone toward confident, empathetic, or executive registers.
Deploys contextual AI agents that predict how a target audience will react to a draft, locate credible supporting citations, grade essays against rubric criteria, and generate drafts using up to 2,000 monthly prompts on Pro.
Scans text against billions of web pages and academic databases for accidental plagiarism, detects AI-generated passages, and logs transparent document provenance via Authorship reports in Google Docs and Word.
Enables teams on Pro and Enterprise plans to codify company terminology, ban deprecated jargon, enforce inclusive language, insert shared Snippets, and surface internal company definitions inline.
The data, evaluations and systems behind AI that has to be right.
Human-sourced and expert-annotated training data, including specialist contributors with advanced degrees, at the quality bar frontier labs require.
Public leaderboards plus private benchmarks that test model capability and safety for the most ambitious AI developers.
Platform and services teams that pick the right use case, build the system and take ownership of the outcome.
Agentic systems designed around measurable business outcomes across private equity portfolios, energy and healthcare operations.

SpecialistOutstanding for context-aware translation and professional writing refinement, but not designed as a dedicated grammar checker.

Excels at heavy paraphrasing and text rewriting, but offers less seamless inline real-time proofreading across all apps.

Provides strong multilingual grammar and style checking across apps, but offers fewer advanced generative AI features.

Delivers deeper manuscript analysis and structural reports, but has a steeper learning curve than Grammarly.
SpecialistStreamlines computer vision dataset annotation and model training, but is less suited for general LLM text tasks.
SpecialistAI academic writing assistant that edits, cites, and checks your manuscript right where you write

Focuses heavily on enterprise data labeling and training data curation, similar to Scale's core annotation business.
SpecialistHighlights readability and sentence complexity visually, but lacks automated grammar correction and browser-wide extension support.

Provides enterprise multimodal annotation and data management tools, but with less emphasis on managed labeling workforces.

Great for sentence-level tone adjustments and rewriting, but less comprehensive for standalone grammar rules and style guides.

SpecialistTrack, evaluate, and ship AI models and agents in one connected environment.


AI writing assistant with autocomplete, research, and a Chrome extension
SpecialistOutstanding for context-aware translation and professional writing refinement, but not designed as a dedicated grammar checker.
Excels at heavy paraphrasing and text rewriting, but offers less seamless inline real-time proofreading across all apps.
Provides strong multilingual grammar and style checking across apps, but offers fewer advanced generative AI features.
Delivers deeper manuscript analysis and structural reports, but has a steeper learning curve than Grammarly.
SpecialistStreamlines computer vision dataset annotation and model training, but is less suited for general LLM text tasks.
SpecialistAI academic writing assistant that edits, cites, and checks your manuscript right where you write
Focuses heavily on enterprise data labeling and training data curation, similar to Scale's core annotation business.
SpecialistHighlights readability and sentence complexity visually, but lacks automated grammar correction and browser-wide extension support.
Provides enterprise multimodal annotation and data management tools, but with less emphasis on managed labeling workforces.
Great for sentence-level tone adjustments and rewriting, but less comprehensive for standalone grammar rules and style guides.
SpecialistTrack, evaluate, and ship AI models and agents in one connected environment.
AI writing assistant with autocomplete, research, and a Chrome extension