Grammarly Business vs StealthWriter
Grammarly Business vs StealthWriter, compared side by side on 15 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: Grammarly Business is on 59/100 and StealthWriter on 16/100.
Where each one leads
Grammarly Business
- our overall score: 59/100 against 16/100
- domain rating: 90/100 against 55/100
- headcount: 958 against 2
- LinkedIn following: 258,506 against 70
StealthWriter
- agent readiness: 50/100 against 41/100
At a glance
| Measure | Grammarly Business | StealthWriter |
|---|---|---|
| What it is | AI-powered writing assistant that helps millions communicate more effectively. | An AI writing assistant and SEO tool that transforms AI-generated content into human-like text, bypassing AI detection. |
| Category | AI Writing Assistant, Generative AI, Natural Language Processing, Productivity Software | AI Writing Assistant, Content Creation, SEO Tool, Generative AI |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Software |
| Founded | 2009 | Not published |
| Headquarters | San Francisco, United States | Not published |
| Status | Active | Active |
Size, funding and growth
| Measure | Grammarly Business | StealthWriter |
|---|---|---|
| Employees | 958 | 2 |
| Total funding | $3.0B | Not published |
| Valuation | $1.3B | Not published |
| LinkedIn followers | 258,506 | 70 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Grammarly Business | StealthWriter |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 59/100 | 16/100 |
| Traction | 60/100 | 5/100 |
| Community | Not published | 8/100 |
| Search visibility | 22/100 | 33/100 |
| Quality | 78/100 | Not published |
| Agent readinessHow well an AI agent can read and act on the site | D (41/100) | D (50/100) |
| Domain ratingLink authority, 0-100 | 90/100 | 55/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Grammarly Business | StealthWriter |
|---|---|---|
| Hosting | AWS | Vercel |
| CDN | CloudFront | Vercel |
| CMS | Not detected | Ghost |
| Frameworks | Next.js | Next.js, Tailwind CSS |
Product and pricing
| Measure | Grammarly Business | StealthWriter |
|---|---|---|
| Key features | Not published | Humanize AI Content, Bypass AI Detection, Maintain Content Integrity, Robust AI Detector, Multi-Language Support, Content Rewriter & Paraphraser |
What users say
| Measure | Grammarly Business | StealthWriter |
|---|---|---|
| Reddit sentimentThreads we track | Not published | 0 positive, 3 negative across 6 threads |
“StealthWriter failed me on GPTZero (90% AI flag). My TA is rushing me. Are there any humanizers that don’t turn scientific text into gibberish?. If this is not a disaster, I don’t know what else is. Used StealthWriter to humanize my paper, ”r/StudyAgent
Grammarly Business vs StealthWriter: common questions
Which is better, Grammarly Business or StealthWriter?
On our 0-100 score Grammarly Business rates higher (59/100 against 16/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 15 data points above: read the rows that match what you are buying for.
How do Grammarly Business and StealthWriter compare on the numbers?
Grammarly Business leads on our overall score (59/100 against 16/100), domain rating (90/100 against 55/100), headcount (958 against 2), LinkedIn following (258,506 against 70). StealthWriter leads on agent readiness (50/100 against 41/100).
What do real users say about Grammarly Business and StealthWriter?
StealthWriter: 0 positive and 3 negative mentions across 6 Reddit threads we track, mostly in r/StudyAgent.
Read the full Grammarly Business review and pricing or the StealthWriter review and pricing. You can also browse other Grammarly Business alternatives we track.