Alternatives · 2026
Best ZeroGPT Alternatives in 2026
24 alternatives · 19 with a free plan · Updated
What are the best ZeroGPT alternatives?
The best ZeroGPT alternatives for AI API in 2026 are Macbeth AI (AI writing and content generator for text, free), GPTZero (AI detector, paid) and TextAdviser (AI writing assistant, free). 19 of the 24 listed alternatives have a free or freemium plan.
Looking for something other than ZeroGPT? Below are 24 alternatives in AI API, AI Chatbot and AI Checker, 23 of them closely matched, ranked by how much they overlap with ZeroGPT. ZeroGPT itself is freemium (free plan + paid upgrades). Each entry shows what the tool does, what it shares with ZeroGPT, its key features and pricing.
What is ZeroGPT?
ZeroGPT checks whether text was written by AI. That is the core of it, and the rest of the site is built around that check. ZeroGPT is an AI content detector with a set of writing tools: a plagiarism checker, summarizer, paraphraser, grammar and spell checker, translator, email generator and a chatbot called ZeroCHAT.
ZeroGPT alternatives compared
| Tool | Pricing | Shared with ZeroGPT | Match |
|---|---|---|---|
| ZeroGPT | Freemium | — | Original |
| Macbeth AI | Free | AI API, AI Chatbot, AI Email Generator, AI Grammar Checker, AI Summarizer, AI Translate | Strong match |
| GPTZero | Paid | AI API, AI Checker, AI Content Detector, AI Detector, AI Grammar Checker, AI Plagiarism Checker | Strong match |
| TextAdviser | Free | AI Chatbot, AI Grammar Checker, AI Paraphraser, AI Plagiarism Checker, AI Summarizer, AI Translate | Strong match |
| SpeedAI | Free | AI Checker, AI Checker Essay, AI Content Detector, AI Detector, AI Paraphraser, AI Plagiarism Checker | Strong match |
| Kreativespace™ | Free | AI Detector, AI Grammar Checker, AI Paraphraser, AI Plagiarism Checker, AI Summarizer, AI Translate | Strong match |
Top 24 alternatives to ZeroGPT
- #1
Macbeth AI is an AI writing and content generator for text, ad copy, images, speech and code, with a chat assistant.
In common with ZeroGPT: AI API, AI Chatbot, AI Email Generator, AI Grammar Checker, AI Summarizer, AI Translate
- Wide array of AI tools for various content generation needs
- Offers a free trial with no credit card required
- Provides API access for paid plans
Pricing: free; ZeroGPT is freemium
- #2
GPTZero is an AI detector that scans text to flag content likely written by models like ChatGPT, with options for individuals and teams.
In common with ZeroGPT: AI API, AI Checker, AI Content Detector, AI Detector, AI Grammar Checker, AI Plagiarism Checker
- AI detector for identifying text generated by AI models like ChatGPT
Pricing: paid, while ZeroGPT is freemium (free plan + paid upgrades)
- #3T
TextAdviser is an AI writing assistant that checks grammar, flags plagiarism, paraphrases, summarizes, and translates text for students and writers.
In common with ZeroGPT: AI Chatbot, AI Grammar Checker, AI Paraphraser, AI Plagiarism Checker, AI Summarizer, AI Translate
- It also includes an AI chat for assistance and a dream interpreter
Pricing: free; ZeroGPT is freemium
- #4
AI humanizer that rewrites text to get past AI detection checks, with a free tier of 500 words and paid plans for students and writers.
In common with ZeroGPT: AI Checker, AI Checker Essay, AI Content Detector, AI Detector, AI Paraphraser, AI Plagiarism Checker
- Words)
- Try core features for free
- Basic 20
Pricing: free; ZeroGPT is freemium
- #5
AI writing tool suite with grammar, plagiarism, paraphrasing, summarizing, translation, and AI detection checks for students and writers.
In common with ZeroGPT: AI Detector, AI Grammar Checker, AI Paraphraser, AI Plagiarism Checker, AI Summarizer, AI Translate
- Comprehensive suite of AI-powered writing tools
- Aids in boosting everyday productivity across writing and studying tasks
- Helps maintain authenticity and integrity in written content
Pricing: free; ZeroGPT is freemium
- #6
Online plagiarism checker and AI content detector that scans submitted text for copied passages and AI-generated writing.
In common with ZeroGPT: AI API, AI Chatbot, AI Content Detector, AI Grammar Checker, AI Plagiarism Checker
- Online plagiarism and AI content checker with various text analysis tools
Pricing: paid, while ZeroGPT is freemium (free plan + paid upgrades)
- #7
TextGears is an online grammar and spell checker that supports multiple languages, with a free plan for everyday writing checks.
In common with ZeroGPT: AI API, AI Checker Essay, AI Grammar Checker, AI Paraphraser, AI Translate
- Online grammar and spelling check platform supporting multiple languages
Pricing: free; ZeroGPT is freemium
- #8J
Free all-in-one AI platform with generators for emails, articles, images, code and blog post ideas, aimed at quick everyday content creation.
In common with ZeroGPT: AI Chatbot, AI Content Detector, AI Email Generator, AI Paraphraser, AI Plagiarism Checker, AI Summarizer
Pricing: free; ZeroGPT is freemium
- #9
AI writing tool for researchers that proofreads, paraphrases, checks plagiarism, and generates citations on the web and in Google Docs.
In common with ZeroGPT: AI Checker, AI Checker Essay, AI Grammar Checker, AI Paraphraser, AI Plagiarism Checker, AI Summarizer
- An AI writing tool for researchers to proofread
- Works on web
Pricing: free; ZeroGPT is freemium
- #10
Originality.ai is an AI content detector and plagiarism checker that scans text for AI-generated writing and copied passages.
In common with ZeroGPT: AI API, AI Content Detector, AI Detector, AI Grammar Checker, AI Plagiarism Checker
- Pay as you go One time on-demand pricing
- Get 3
- Need more? You can buy additional credits as needed under "Settings" in your account
Pricing: paid, while ZeroGPT is freemium (free plan + paid upgrades)
- #11
AI rewriter, grammar checker and AI detector that runs as a native Mac and Windows app, working inside any application you already use.
In common with ZeroGPT: AI Content Detector, AI Detector, AI Grammar Checker, AI Paraphraser, AI Plagiarism Checker, AI Translate
- Outperforms Grammarly and QuillBot in AI detection and writing assistance
- Native app for Mac & Windows
- Offers instant rewrites
Pricing: free; ZeroGPT is freemium
- #12
Scribbr is an academic writing platform offering proofreading, plagiarism checking, citation generation, and AI paraphrasing tools for students and researchers.
In common with ZeroGPT: AI Checker Essay, AI Detector, AI Grammar Checker, AI Paraphraser, AI Plagiarism Checker, AI Summarizer
- Comprehensive suite of tools for academic writing
- Professional proofreading and editing services
- Accurate plagiarism detection
Pricing: free; ZeroGPT is freemium
- #13
AI writing and image generator with document templates for blogs, ads, emails and SEO content, with monthly word and image allowances.
In common with ZeroGPT: AI Chatbot, AI Email Generator, AI Paraphraser, AI Summarizer, AI Translate
- Chibi Pack 1
- Words
- Images
Pricing: freemium (free plan + paid upgrades), same as ZeroGPT
- #14M
MeduzaAi is an AI content generator for text, images, code, chatbots, voiceovers and speech-to-text, covering blog posts, social posts and product descriptions.
In common with ZeroGPT: AI Chatbot, AI Content Detector, AI Email Generator, AI Plagiarism Checker, AI Summarizer
- All-in-one AI content generation platform to make money
Pricing: free; ZeroGPT is freemium
- #15L
LM-Kit.NET is a .NET SDK that lets C# and VB.NET developers add LLM text generation, translation and AI agents to apps.
In common with ZeroGPT: AI API, AI Chatbot, AI Grammar Checker, AI Summarizer, AI Translate
- NET is a
- NET SDK for LLMs
Pricing: free; ZeroGPT is freemium
- #16
Kroolo is an all-in-one work management platform with AI agents that automate workflows across projects, tasks and workplace apps.
In common with ZeroGPT: AI Chatbot, AI Email Generator, AI Grammar Checker, AI Paraphraser, AI Summarizer, AI Translate
- All-in-one platform for managing various aspects of work
- AI-powered features for automation and efficiency
- Customizable AI agents for specific workflows
Pricing: enterprise (custom pricing), while ZeroGPT is freemium (free plan + paid upgrades)
- #17
Donakosy is an AI content generator for writers, marketers and creators, producing text, images, voiceovers and code from prompts.
In common with ZeroGPT: AI API, AI Chatbot, AI Email Generator, AI Grammar Checker, AI Summarizer
Pricing: paid, while ZeroGPT is freemium (free plan + paid upgrades)
- #18
Essay Grader AI is an essay grading tool for teachers that gives feedback, summaries, and plagiarism and AI content checks on student writing.
In common with ZeroGPT: AI Checker Essay, AI Content Detector, AI Grammar Checker, AI Plagiarism Checker, AI Summarizer
- Dedicated user groups and webinars
- Priority video support
Pricing: freemium (free plan + paid upgrades), same as ZeroGPT
- #19
AI translation tool for text, documents, images and scanned PDFs in over 100 languages, with grammar correction and text-to-speech.
In common with ZeroGPT: AI API, AI Detector, AI Grammar Checker, AI Summarizer, AI Translate
- AI-powered translation software with 100+ languages
Pricing: free; ZeroGPT is freemium
- #20
Detecting-AI is an AI content detector that flags AI-generated text, with a free plan that allows 100 detections a day.
In common with ZeroGPT: AI API, AI Checker, AI Content Detector, AI Detector
Pricing: free; ZeroGPT is freemium
- #21W
Free AI content generator for blog posts, ad copy, emails, YouTube scripts and images, with no login needed.
In common with ZeroGPT: AI Chatbot, AI Email Generator, AI Grammar Checker, AI Summarizer, AI Translate
- It is a ChatGPT alternative that offers free AI writing tools without requiring a login
Pricing: free; ZeroGPT is freemium
- #22
ContentHubAI is an AI content generator for text, images, code and speech-to-text, with templates for blogs, ads and social posts.
In common with ZeroGPT: AI Chatbot, AI Email Generator, AI Grammar Checker, AI Paraphraser, AI Summarizer
- It offers a range of tools including an AI Generator
- Chatbot
Pricing: free; ZeroGPT is freemium
- #23
Humanize AI is an AI text humanizer that rewrites machine-written drafts into natural, readable copy while keeping the original meaning.
In common with ZeroGPT: AI Checker, AI Checker Essay, AI Detector, AI Grammar Checker, AI Paraphraser, AI Summarizer
- It preserves the original meaning while enhancing readability and engagement
Pricing: free; ZeroGPT is freemium
- #24
Rephrasy is an AI humanizer and AI content detector that rewrites AI-generated text and checks whether it reads as machine-written.
In common with ZeroGPT: AI API, AI Content Detector, AI Paraphraser, AI Plagiarism Checker
- AI humanizer and detector to bypass AI detection and create undetectable content
Pricing: freemium (free plan + paid upgrades), same as ZeroGPT
How we picked these ZeroGPT alternatives
We rank tools by how closely they match ZeroGPT: tools that share more of its categories rank first, then tools whose main category, tags and description overlap with it, then community votes and views. Pricing type and features come from each product's SoftwareVital listing. Admins can pin or remove tools from this list.
Frequently asked questions
What are the best alternatives to ZeroGPT in 2026?
The closest alternatives to ZeroGPT are Macbeth AI, GPTZero, TextAdviser, SpeedAI and Kreativespace™. They are ranked by how many categories and tags they share with ZeroGPT and how similar their descriptions are, then by community votes and views on SoftwareVital.
What is the closest alternative to ZeroGPT?
Macbeth AI is the closest match because it shares AI API, AI Chatbot and AI Email Generator with ZeroGPT. It is free.
Are there free alternatives to ZeroGPT?
Yes. 19 of the 24 alternatives have a free or freemium plan, including Macbeth AI (free), TextAdviser (free), SpeedAI (free), Kreativespace™ (free) and TextGears (free). ZeroGPT is freemium (free plan + paid upgrades).
Which ZeroGPT alternatives are paid or enterprise tools?
GPTZero (paid), PlagiarismSearch.com (paid), Originality.ai (paid), Kroolo (enterprise) and Donakosy (paid) use paid or enterprise pricing, which usually means more support and admin options for teams.
How does ZeroGPT compare to Macbeth AI?
Macbeth AI overlaps with ZeroGPT in AI API, AI Chatbot and AI Email Generator. Its listed features include wide array of AI tools for various content generation needs, offers a free trial with no credit card required and provides API access for paid plans. Pricing: free; ZeroGPT is freemium. Open the side-by-side compare page for a full breakdown.
What category is ZeroGPT in?
ZeroGPT is listed under AI API on SoftwareVital. Browse that category to see more tools in the same group.