AI · alternatives · 2026

24 alternatives to GPTZero

Detect whether an essay is ChatGPT or human written

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. GPTZero launched in 2023; newer entries below may have overtaken it.

1
ChatGPT▲1,643
A long, meandering, playful conversation with ChatGPT, where I take it through a whirlwind of associative tangents (in order to relax its constraints), then put it into a hypnotic trance and take it into a past-lives regression where it re-lives its own training data. Then I switch it back and forth between "4o" and "o1-preview", engage in some self-reflective philosophizing and ask it to write an essay summarizing our interaction. Some of this is just goofy fun. Some of it is me exploring the tradeoffs between policy alignment, imagination, chain-of-thought reasoning, memory, agreeableness,…
2022 · chatgpt.com · its alternatives →
2
Use ChatGPT▲654
Use ChatGPT & GPT-4 on any website without copy-pasting
2023 · its alternatives →
3
ChatGPT canvas▲498
OpenAI's new way to write & code with ChatGPT
2024 · openai.com · its alternatives →
4
writeGPT▲272
Become Superhuman with everyday tasks by harnessing ChatGPT
2023 · chromewebstore.google.com · its alternatives →
5
Originality▲419
ChatGPT AI content detector & a modern plagiarism checker
2023 · originality.ai · its alternatives →
6
AI Writer: Essay Email Writing(APP)▲218
ChatGPT app in your pocket
2023 · ai-writer.app · its alternatives →
7
Memories.ai▲446
ChatGPT for your video library, with unlimited video context
2025 · memories.ai · its alternatives →
8
AI Text Classifier by OpenAI▲309
New AI classifier for indicating AI-written text
2023 · openai.com · its alternatives →
9
Wordvice AI Detector▲107
Best ChatGPT detector
2024 · wordvice.ai · its alternatives →
10
AI Detector - Text Validator▲76
Verified ChatGPT, GPT3.5, GPT4 text detector
2023 · apps.apple.com · its alternatives →
11
AI Detector by ContentDetector.AI▲99
Free and accurate AI detector to check AI content
2023 · moxby.com · its alternatives →
12
GPT AI Essay Writer by Textero.ai▲79
Essay generator and research assistant for academic texts
2023 · chatgpt.com · its alternatives →
13
ScriptMind▲106
Elevate note-taking with AI assistants
2024 · scripmind.com · its alternatives →
14
GPTZeroAI▲2
Detect ChatGPT, GPT, Claude and other AI-generated content
Jun 2026 · gptzeropro.com · its alternatives →
15
ChatDOC - GPT for any file▲129
Chat with any documents and get responses with cited sources
2023 · chatdoc.com · its alternatives →
16
AIGPTZero▲2
Free AI detector for ChatGPT, Claude & Gemini text
Jun 2026 · aigptzero.com · its alternatives →
17
GPT Pro▲66
ChatGPT with prompts to take advantage of GPT 3.5
2023 · play.google.com · its alternatives →
18
GPTPLUS ▲65
Best AI assistant for writing, translating and coding
2023 · its alternatives →
19
ChatGPT for WordPress▲87
GPT AI writer - like Notion AI but for WordPress
2023 · shop.gutenberghub.com · its alternatives →
20
GPTBLOX - ChatGPT/Bard/Claude Save Data▲89
Elevate your AI chats & web management in one click
2023 · chromewebstore.google.com · its alternatives →
21
AI Community Notes on X▲56
Fact check any tweet thread or article
2025 · x.com · its alternatives →
22
TypoGraphy AI | Chat2Earn▲57
A Web3 ChatGPT to make web3 accessible to all.
2023 · its alternatives →
23
ChattyGPT with prompts, styles & history▲74
AI assistant supports 30 languages - light & dark theme
2023 · apps.apple.com · its alternatives →
24
ChatGPT Finder▲65
Supercharge management of your creations on ChatGPT.
2023 · chatgptfinder.app · its alternatives →

Also compare

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →