Alternatives · AI Detection
Originality.ai alternatives
The closest alternatives to Originality.ai are Grammarly, GPTZero and QuillBot, which also cover checking grammar and spelling and checking for plagiarism. 10 of the 15 listed here can be used for free, including Grammarly and GPTZero. The lowest paid plan starts at $1.99 per month (Hostinger Website Builder).
- Alternatives
- 15
- Free options
- 10
- Updated
- Nov 2026
Closest first: ordered by how many of Originality.ai's tasks each tool shares, then by popularity.
- 1

GrammarlyVerifiedFree tier · from $12/mo
An AI writing assistant that checks grammar, tone, and clarity for individuals, teams, and organizations.
Also does:Checking grammar and spellingChecking for plagiarism
Web · Windows · Mac · Android · iOS
- 2
GPTZeroVerifiedFree tier
AI-writing detector for teachers, students, and editors who need to check text and writing process.
Also does:Checking for plagiarismChecking grammar and spelling
Web · Browser extension
- 3
QuillBotFree tier
Paraphrasing and writing tool that rewrites text in several modes with grammar checking built in.
Also does:Checking grammar and spelling
Web · Browser extension
- 4

SurferVerifiedPaid · from $49/mo
SEO and AI search visibility platform for teams that want their content cited in Google and in AI answers.
Also does:Improving SEOChecking for plagiarism
API
- 5

JasperVerifiedFree trial · from $59/mo
An AI marketing platform for teams that need on-brand content and repeatable campaign workflows.
Also does:Improving SEO
Web · API · Browser extension
- 6

WordtuneVerifiedFree tier · from $4.89/mo
AI writing assistant for students and professionals to rewrite, proofread, summarize, and translate into English.
Also does:Checking grammar and spelling
Browser extension
- 7

DurableVerifiedFree tier · from $25/mo
AI business builder for small businesses to create a website, sell products or services, and manage leads.
Also does:Improving SEO
Web
- 8

HubSpotVerifiedFree tier · from $7/mo
A connected CRM and marketing, sales, and service platform for growing businesses.
Also does:Improving SEO
Web · iOS · Android
- 9

AnywordVerifiedFree trial · from $49/mo
AI content platform that scores marketing copy before your team publishes it.
Also does:Checking for plagiarism
Web · API · Browser extension
- 10
Hemingway EditorFree tier
Readability editor that highlights hard-to-read sentences, passive voice and adverbs in your writing.
Also does:Checking grammar and spelling
Web · Mac · Windows
- 11
SemrushFree trial · from $139/mo
All-in-one SEO and marketing platform covering keyword research, competitor analysis, content and social media.
Also does:Improving SEO
Web · Browser extension
- 12

SuperhumanVerifiedFree tier · from $12/mo
AI assistant and work suite for individuals and teams, with agents in tabs, email, and docs.
Also does:Checking grammar and spelling
Web · Browser extension
- 13

Base44VerifiedFree tier · from $16/mo
Build apps, websites and AI agents by describing them in plain language, with no coding required.
Also does:Improving SEO
Web
- 14
Hostinger Website BuilderVerifiedPaid · from $1.99/mo
A drag-and-drop website builder from Hostinger with built-in AI tools for small businesses and creators.
Also does:Improving SEO
Web
- 15

FraseVerifiedFree trial · from $39/mo
Content platform that helps marketing teams rank on Google and get cited by AI assistants.
Also does:Improving SEO
Web · API
At a glance
| Tool | Pricing | Free | Platforms | API | Checked |
|---|---|---|---|---|---|
| Originality.ai | Free tier · from $12.95/mo | Yes | Web, Browser extension | Yes | Nov 4, 2026 |
| Grammarly | Free tier · from $12/mo | Yes | Web, Windows, Mac, Android, iOS | No | Nov 3, 2026 |
| GPTZero | Free tier | Yes | Web, Browser extension | Yes | Nov 4, 2026 |
| QuillBot | Free tier | Yes | Web, Browser extension | No | — |
| Surfer | Paid · from $49/mo | No | API | Yes | Nov 4, 2026 |
| Jasper | Free trial · from $59/mo | No | Web, API, Browser extension | Yes | Nov 4, 2026 |
| Wordtune | Free tier · from $4.89/mo | Yes | Browser extension | No | Nov 4, 2026 |
| Durable | Free tier · from $25/mo | Yes | Web | No | Nov 4, 2026 |
| HubSpot | Free tier · from $7/mo | Yes | Web, iOS, Android | Yes | Nov 4, 2026 |
| Anyword | Free trial · from $49/mo | No | Web, API, Browser extension | Yes | Nov 4, 2026 |
| Hemingway Editor | Free tier | Yes | Web, Mac, Windows | No | — |
| Semrush | Free trial · from $139/mo | Yes | Web, Browser extension | Yes | — |
| Superhuman | Free tier · from $12/mo | Yes | Web, Browser extension | No | Nov 4, 2026 |
| Base44 | Free tier · from $16/mo | Yes | Web | Yes | Nov 4, 2026 |
| Hostinger Website Builder | Paid · from $1.99/mo | No | Web | No | Nov 4, 2026 |
| Frase | Free trial · from $39/mo | No | Web, API | Yes | Nov 4, 2026 |
Common questions
- What is the best alternative to Originality.ai?
- Grammarly is the closest match: it also covers checking grammar and spelling and checking for plagiarism. GPTZero and QuillBot come next. Alternatives are ordered by how many of Originality.ai's tasks they share, then by how popular they are.
- Is there a free alternative to Originality.ai?
- Yes. Grammarly, GPTZero and QuillBot can be used for free. Grammarly has a free plan, and paid plans start at $12 per month.
- What is the cheapest alternative to Originality.ai?
- Among paid plans, Hostinger Website Builder starts lowest at $1.99 per month, against $12.95 for Originality.ai.
- Which Originality.ai alternatives have a mobile app?
- Grammarly and HubSpot have an iPhone or Android app.