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Side-by-side comparison · Writing & Translation

Copyleaks vs Hemingway Editor vs Originality.ai

Everything that matters when choosing between them, in one place: our rating, what each can do, what they cost, and the trade-offs.

Copyleaks

3.9

From $0

Best overall

Hemingway Editor

4.3

From $0

Originality.ai

4.1

From $14.95/mo

Comparing 3 tools, the maximum.

At a glance

Pick it if: Schools, publishers and businesses that need AI and plagiarism checks together, especially across several languages.

Best overallEasiest to use

Pick it if: Business owners, marketers and bloggers who want their website copy, emails and posts easier to read.

Pick it if: Publishers, content agencies, SEO teams and businesses that commission written content and want to check it before publishing.

Overview

AttributeCopyleaksHemingway EditorOriginality.ai
In one lineChecks text for AI writing and plagiarism in one scan, in over 30 languages.Highlights hard-to-read sentences so your writing is clear, and rewrites them with AI.Checks content for AI writing, plagiarism and factual errors before you publish it.
Pricing modelFreemiumFreemiumFreemium
Starting price$0$0$14.95/mo
Free plan Yes Yes Yes
Works with Claude Code Yes No Yes

Rating breakdown

Our scores out of 5. The higher bar in each row is highlighted.

AttributeCopyleaksHemingway EditorOriginality.ai
Overall rating3.94.3Winner4.1
Ease of useHow quickly someone non-technical gets value from it.
4.0
5.0
4.0
FeaturesHow completely it covers its own job, and how well the pieces fit together.
4.5
4.0
4.5
Output qualityHow good the results are before you fix them.
3.5
4.0
3.5
Value for moneyWhat you get for the price, including the free plan.
3.5
4.0
4.0
Speed & reliabilityHow fast it is and how often it falls over.
4.0
4.5
4.5

Feature comparison

A tick means it does this today. A dash means we haven't checked.

AttributeCopyleaksHemingway EditorOriginality.ai
Access & platform
Free plan Yes Yes Yes
Mobile app No No–
Desktop app–––
Browser extension Yes No Yes
API access Yes No Yes
Teams & business
Team workspace Yes Yes Yes
Enterprise plan or SSO Yes Yes Yes
Connects to other apps Yes No Yes
Open source or self-hosted Yes No No
AI abilities
Works with your files Yes– Yes
Understands images Yes––
Makes images No No No
Makes video No No No
Writes code No No No
Runs agents or automations No No No
Learns your brand or style– Yes–
Works in many languages Yes––
Capabilities score10/ 174/ 177/ 17

Pricing

Plans as listed on each vendor's site when we last checked. Confirm before you buy.

AttributeCopyleaksHemingway EditorOriginality.ai
Plans

Free

$0

Quick one-off checks.

Free

$0

Checking how readable your writing is.

Free

Free

Checking the odd article.

PersonalOur pick

$16.99/mo, or $13.99/mo billed yearly

Individuals checking work regularly.

Individual 5K

$100/yr ($8.33/mo)

Occasional AI help.

ProOur pick

$14.95/mo, or $12.95/mo billed yearly

Agencies and site owners checking content every week.

Pro

$99.99/mo, or $74.99/mo billed yearly

Teams and agencies.

Individual 10KOur pick

$150/yr ($12.50/mo)

Writers editing most days.

Enterprise

$179/mo, or $136.58/mo billed yearly

Publishers and large content teams.

Enterprise and Education

Custom

Companies and schools at scale.

Team 10K

$150/user/yr ($12.50/user/mo)

Teams of up to 50.

Enterprise

Custom

Large organisations.

Which plan to pickTry the free checker first. Personal covers about 100 pages a month, which suits most individuals. Only move to Pro if a team needs seats or you want website scans. One credit covers 250 words or one image.Use the free editor first. If you want the fixes done for you, try Editor Plus free for two weeks. Individual 10K is the best value if you write most days. Monthly billing is available but costs more than yearly.Pro is enough for most agencies and site owners. An AI and plagiarism check together uses two credits per 100 words, so budget about 100,000 words of checked content a month. Go Enterprise only if you need the API or very high volume.

Key features

AttributeCopyleaksHemingway EditorOriginality.ai
Standout features
  • AI and plagiarism in one report
  • Many languages
  • AI image detection
  • Website scans
  • Works where you are
  • API and school integrations
  • Readability highlights
  • Reading grade level
  • AI sentence rewrites
  • Tone, length and style
  • Style guide
  • AI detection
  • Plagiarism checker
  • Fact checker
  • Bulk and site scans
  • Writing replay
  • API

Pros and cons

AttributeCopyleaksHemingway EditorOriginality.ai
Pros
  • AI and plagiarism checks in one report
  • Best multilingual coverage of the major detectors
  • Catches plagiarism translated from another language
  • MCP access lets you scan from Claude
  • Checks images as well as text
  • Shows readability problems at a glance
  • Free web editor with no sign-up
  • Teaches you to write more clearly over time
  • AI rewrites are one click on Editor Plus
  • Cheap next to most writing tools
  • AI, plagiarism, facts and readability in one scan
  • Cheap for the volume on Pro
  • Bulk and whole-site scanning
  • Writing replay gives honest writers a way to prove their work
  • API for content teams
Cons
  • Like all detectors, it can flag human writing
  • Personal plan's word allowance is small
  • Big jump in price from Personal to Pro
  • Switching plans wipes unused credits, and refunds are strict
  • Overlaps almost completely with Originality.ai
  • Free version highlights but doesn't fix anything
  • Can push all writing towards the same short, flat style
  • AI plans are mainly sold yearly
  • Editor Plus caps AI rewrites each month
  • False positives are a recurring complaint, and independent tests find more than the vendor claims
  • Monthly credits expire if you don't use them
  • API is only on the expensive Enterprise plan
  • A score can sour a client or writer relationship if treated as proof

Who each one is for

AttributeCopyleaksHemingway EditorOriginality.ai
Best for
  • AI and plagiarism checks in one report
  • Checking content in languages other than English
  • Scanning a whole website for copied pages
  • Checking images for AI
  • Making website and blog copy easier to read
  • Checking a reading grade level
  • Cutting long, wordy sentences
  • Writing for a general audience
  • Checking freelance and agency content
  • AI and plagiarism checks in one scan
  • Fact-checking articles before they go live
  • Bulk scanning a website
  • Proving a writer wrote their own draft
You'll find it used by
  • Schools and universities
  • Publishers
  • Content agencies
  • Compliance teams
  • Students
  • Bloggers
  • Marketers
  • Small business owners
  • Copywriters
  • Students
  • Content agencies
  • Publishers
  • SEO teams
  • Marketing managers
  • Website buyers

Questions people ask

Which is better, Copyleaks, Hemingway Editor or Originality.ai?

Hemingway Editor scores highest overall in our ratings (Copyleaks 3.9/5, Hemingway Editor 4.3/5 and Originality.ai 4.1/5). Copyleaks is best for AI and plagiarism checks in one report and checking content in languages other than English. Hemingway Editor is best for making website and blog copy easier to read and checking a reading grade level. Originality.ai is best for checking freelance and agency content and AI and plagiarism checks in one scan.

Which is cheaper, Copyleaks, Hemingway Editor or Originality.ai?

Copyleaks: There's a free plan, and paid plans start at $0. Hemingway Editor: There's a free plan, and paid plans start at $0. Originality.ai: There's a free plan, and paid plans start at $14.95/mo.

Which is easier to use, Copyleaks, Hemingway Editor or Originality.ai?

Hemingway Editor rates highest for ease of use in our scores. Business owners, marketers and bloggers who want their website copy, emails and posts easier to read.

How we compare

Ratings are our own, from using each tool, across ease of use, features, output quality, value for money, speed & reliability.

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