Best alternatives to GPTZero: AI Detection & Writing Replay (2026)
10 Chrome extensions that do a similar job to GPTZero, closest first. Each shows real store users, its rating, how recently it was updated and how many permissions it asks for.
GPTZero: AI Detection & Writing Replay today
GPTZero alternatives, compared
- 1
AI Detector & Writing Replay - Originality.ai
Use this AI content detector and human writing report to understand if a document was written by a human or chat GPT.
≈50K users3.9★ from 160 ratingsUpdated 3 weeks ago8 permissions- About 10× fewer users than GPTZero
- Rated 0.8 stars lower
- Asks for fewer permissions (8 vs 15)
- Listed under Workflow & Planning
- 2
ContentDetector.ai - AI Detector & Writing Tools
AI content detector and AI watermark writing tools for ChatGPT, Claude, and Gemini text. Scan sentences and revise robotic patterns.
≈20K users4.7★ from 90 ratingsUpdated 5 weeks ago4 permissions- About 25× fewer users than GPTZero
- Asks for fewer permissions (4 vs 15)
- 3
Quillbot: AI Writing Assistant with Humanizer, Paraphraser & AI Detector
Improve your writing - Detect and Humanize AI content, create images, Paraphrase, Check Grammar, AI Chat, and more!
≈6M users4.7★ from 6K ratingsUpdated 4 days ago11 permissions- About 12× more users than GPTZero
- Asks for fewer permissions (11 vs 15)
- Listed under Communication
- 4
Pangram AI Detection
Pangram Labs provides accurate detection of AI-written text. Highlight text, right click, and select 'Check for AI Content.'
≈30K users4.5★ from 26 ratingsUpdated 4 weeks ago9 permissions- About 17× fewer users than GPTZero
- Asks for fewer permissions (9 vs 15)
- Listed under Tools
- 5
Ddict: AI Translation & Writing Assistant
Translate text and enhance writing with AI for seamless language learning and communication in your browser.
≈100K users4.2★ from 742 ratingsUpdated 11 months ago8 permissions- About 5.0× fewer users than GPTZero
- Rated 0.5 stars lower
- Updated less recently
- Asks for fewer permissions (8 vs 15)
- Listed under Communication
- 6
Rytr – AI Writing & Relationship Assistant
Write in your voice, remember important relationship context, and stay on top of conversations with Rytr, your AI assistant.
≈40K users3.8★ from 40 ratingsUpdated 6 days ago7 permissions- About 13× fewer users than GPTZero
- Rated 0.9 stars lower
- Asks for fewer permissions (7 vs 15)
- Listed under Communication
- 7
JustDone: GPT-4o AI Writing Assistant & Grammar Checker
Elevate your writing with JustDone — your all-in-one tool for grammar checking, paraphrasing, AI writing, and more.
≈200K users3.7★ from 272 ratingsUpdated 11 months ago3 permissions- About 2.5× fewer users than GPTZero
- Rated 1.0 stars lower
- Updated less recently
- Asks for fewer permissions (3 vs 15)
- Listed under Workflow & Planning
- 8
Linguix: Grammar Checker and AI Writing App
Improve your writing and create compelling content with Linguix grammar checker & rewriter.
≈30K users4.5★ from 547 ratingsUpdated 5 weeks ago8 permissions- About 17× fewer users than GPTZero
- Asks for fewer permissions (8 vs 15)
- Listed under Accessibility
- 9
DeepL: translate and write with AI
Translate while you read and write with DeepL Translate, the world’s most accurate translator.
≈4M users4.7★ from 12.6K ratingsUpdated 4 days ago15 permissions- About 8.0× more users than GPTZero
- Listed under Communication
- 10
Compose AI: AI-powered Writing Tool
Accelerate your writing with AI
≈300K users4.1★ from 243 ratingsUpdated 3 days ago10 permissions- About 1.7× fewer users than GPTZero
- Rated 0.6 stars lower
- Asks for fewer permissions (10 vs 15)
- Listed under Communication
GPTZero alternatives: questions
What is the best alternative to GPTZero?
By users, the most popular alternative is Quillbot: AI Writing Assistant with Humanizer, Paraphraser & AI Detector with ≈6M users and a 4.7-star rating. The closest match by what it does is AI Detector & Writing Replay - Originality.ai.
Which GPTZero alternative has the best rating?
DeepL: translate and write with AI has the highest rating of these alternatives with 50+ ratings: 4.7 out of 5 from 12.6K ratings.
Is there a GPTZero alternative that asks for fewer permissions?
JustDone: GPT-4o AI Writing Assistant & Grammar Checker asks for 3 permissions, against 15 for GPTZero.
How many alternatives to GPTZero are there?
We list 10 close alternatives to GPTZero on the Chrome Web Store, picked by what they do and ranked by how close they are.
Users and ratings are the figures shown on the Chrome Web Store, re-checked continuously. Alternatives are matched on name, description, category and topic. Browse best-of lists by niche.