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GPTZero vs QuillBot comparison

 

Comparison Buyer's Guide

Executive Summary

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

GPTZero
Ranking in AI Writing Tools
9th
Average Rating
0.0
Number of Reviews
0
Ranking in other categories
No ranking in other categories
QuillBot
Ranking in AI Writing Tools
5th
Average Rating
0.0
Number of Reviews
0
Ranking in other categories
AI Proofreading Tools (8th)
 

Mindshare comparison

As of January 2026, in the AI Writing Tools category, the mindshare of GPTZero is 4.6%, up from 3.8% compared to the previous year. The mindshare of QuillBot is 7.8%, down from 11.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
AI Writing Tools Market Share Distribution
ProductMarket Share (%)
QuillBot7.8%
GPTZero4.6%
Other87.6%
AI Writing Tools
 

Top Industries

By visitors reading reviews
University
23%
Comms Service Provider
12%
Educational Organization
9%
Non Profit
6%
University
21%
Manufacturing Company
9%
Educational Organization
8%
Comms Service Provider
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
No data available
Find out what your peers are saying about Google, OpenAI, Cohere and others in AI Writing Tools. Updated: December 2025.
881,082 professionals have used our research since 2012.
 

Comparisons

 

Overview

Find out what your peers are saying about Google, OpenAI, Cohere and others in AI Writing Tools. Updated: December 2025.
881,082 professionals have used our research since 2012.