
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. Surf records 116,252 monthly visits with -18.9% growth and Free, Pro, Max, API credits pricing.
Institution-grade crypto and equities intelligence, delivered through a chat-style AI analyst.
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | grammarly.com | asksurf.ai |
| Pricing Model | Freemium | Free, Pro, Max, API credits |
| Monthly Visits | 58.87M (58,867,412) | 116.25K (116,252) |
| MoM Traffic Delta |
| -916.08K (-1.5%) |
| -27.18K (-18.9%) |
| Primary Market & Share | 🇺🇸 United States (51.9%) | 🇰🇷 South Korea (32.6%) |
|---|
| Direct Visits / mo | 25.4M | 88.81K |
|---|
| User Rating | 4.4 | 4.2 |
|---|
| 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.
Institution-grade crypto and equities intelligence, delivered through a chat-style AI analyst.
Ask questions about tokens, protocols, or equities in plain language and receive answers backed by visible sources rather than unsupported assertions.
Market prices, onchain events, SEC filings, and news are normalized into one structured layer so the model reasons over consistent inputs.
API, MCP server, CLI, and agent skills let teams wire Surf intelligence into their own agents, dashboards, and internal research workflows.
Purpose-built modules for tracking market-moving developments and for looking up structured context on projects and assets.

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.
SpecialistAI academic writing assistant that edits, cites, and checks your manuscript right where you write

AI trading indicators, real-trade orderflow and charts in one platform
Global macro data and AI research platform for smarter economic decisions
SpecialistHighlights readability and sentence complexity visually, but lacks automated grammar correction and browser-wide extension support.

Great for sentence-level tone adjustments and rewriting, but less comprehensive for standalone grammar rules and style guides.
AI investing copilot for stock research, screening and market signals

AI writing assistant with autocomplete, research, and a Chrome extension

Offers similar inline grammar correction and snippets, but with a smaller ecosystem of browser extensions and integrations.
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.
SpecialistAI academic writing assistant that edits, cites, and checks your manuscript right where you write
AI trading indicators, real-trade orderflow and charts in one platform
Global macro data and AI research platform for smarter economic decisions
SpecialistHighlights readability and sentence complexity visually, but lacks automated grammar correction and browser-wide extension support.
Great for sentence-level tone adjustments and rewriting, but less comprehensive for standalone grammar rules and style guides.
AI investing copilot for stock research, screening and market signals
AI writing assistant with autocomplete, research, and a Chrome extension
Offers similar inline grammar correction and snippets, but with a smaller ecosystem of browser extensions and integrations.