Grammarly
by Superhuman (formerly Grammarly)
At a glance
AI writing assistant that checks grammar, style, and tone and offers generative writing help across apps.
writing grammar assistant
- Licence
- Not recorded
- Category
- Productivity
- Business model
- Freemium
- Availability
- Global
- Launched
- 2015
Overview
Grammarly is an AI writing assistant that checks grammar, style, and tone across browsers, desktop apps, and mobile keyboards. Founded in 2009, it has expanded into generative drafting and rewriting; after acquiring the email client Superhuman in 2025, the company renamed itself Superhuman while keeping Grammarly as the product name. A capable free tier is available.
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Key features
- Grammar, spelling, and punctuation checking everywhere you type
- Tone and clarity suggestions
- Generative drafting and rewriting prompts
- Style guides and brand tones for teams
Use cases
- Polishing emails, documents, and posts as you write
- Keeping team communication consistent and clear
- Non-native speakers improving fluency
Pricing
A free tier covers core corrections; Pro and Enterprise plans add advanced rewrites, tone controls, and team features.
Record details
Provenance, dates and links are kept here so the main sections stay about the product itself.
Links, dates and provenance
- Record updated
- 2026-09-10
- Pricing
- www.grammarly.com ↗
- Documentation
- www.grammarly.com ↗
- Founded
- 2009
- Headquarters
- US
- Canonical URL
- https://globalaiproductindex.com/products/grammarly/
Selection profile
Every field says where its value comes from. "Unknown" means we have not confirmed it — it does not mean the product lacks the feature.
Selection profile11 fields4 unknown
- Tasks it fits
- Everyday productivity
Derived from the record: category "productivity".
Suggest a correction - How you use it
- Web app
Hosted product with no desktop/CLI tag in the record; assumed web-delivered.
Suggest a correction - Runs on
- Web
Derived from platform words in the record description/features/tags.
Suggest a correction - Where it runs
- Vendor cloud
Vendor-hosted product; no self-hosted option is recorded.
Suggest a correction - Works offline
- Not recorded
The record contains no offline-operation claim.
Suggest a correction - Official service region
- Global
Mirrors the availability field already on the record ("global").
Suggest a correction - Public API
- Not recorded
The record does not state whether a public API exists.
Suggest a correction - Licence
- proprietary
Commercial product; no source licence is published in the record.
Suggest a correction - Commercial use
- Not recorded
Commercial product; the terms reviewed here do not state a non-commercial restriction, but that was not verified.
Suggest a correction - Interface languages
- Not recorded
No vendor page read in this pass states the product's own interface languages; the key exists so the field can be answered later rather than left absent.
Suggest a correction - Billing
- Subscription Free allowance: Limited Subscription required: No
Prices are the vendor’s advertised entry price and exclude taxes; always confirm on the vendor’s own page.
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Where each value comes from
- Tasks it fits
- Our inference
- How you use it
- Our inference
- Runs on
- Our inference
- Where it runs
- Our inference
- Works offline
- Our inference
- Official service region
- Our inference
- Public API
- Our inference
- Licence
- Our inference
- Commercial use
- Our inference
- Interface languages
- Unknown
Frequently asked questions
Is Grammarly free?
Yes. Grammarly's free tier covers core grammar and spelling; paid plans add advanced suggestions and generative features.
Where does Grammarly work?
Grammarly works in browsers, desktop apps, Microsoft Office, and mobile keyboards across most writing surfaces.
Who develops Grammarly?
Grammarly is developed by Superhuman (the company formerly named Grammarly), founded in 2009 and headquartered in San Francisco.
What does the Grammarly record not confirm?
Plan prices are not confirmed despite a listed plans page, and licence terms, supported regions and interface languages stay unconfirmed.
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Related guides
Sources
This record was last reviewed on 2026-09-10.
Machine-readable record: /api/products/grammarly.json · Spot an error? Suggest a correction