Alternatives · 2026
Best Detecting-AI Alternatives in 2026
24 alternatives · 17 with a free plan · Updated
What are the best Detecting-AI alternatives?
The best Detecting-AI alternatives for AI API in 2026 are AI or Not (AI image and audio detector, free), GPTZero (AI detector, paid) and SpamCheck.ai (AI spam detection API, paid). 17 of the 24 listed alternatives have a free or freemium plan.
Looking for something other than Detecting-AI? Below are 24 alternatives in AI API, AI Checker and AI Content Detector, all closely matched, ranked by how much they overlap with Detecting-AI. Detecting-AI itself is free. Each entry shows what the tool does, what it shares with Detecting-AI, its key features and pricing.
What is Detecting-AI?
As an AI content detector, Detecting-AI is unusual because a humanizer, a fact checker and a plagiarism checker come in the same account. Detecting-AI flags AI-generated text and also offers an AI API for developers. The free plan allows 100 detections a day and caps each check at 5,000 characters.
- Pricing
- Free
Detecting-AI alternatives compared
| Tool | Pricing | Shared with Detecting-AI | Match |
|---|---|---|---|
| Detecting-AI | Free | — | Original |
| AI or Not | Free | AI API, AI Checker, AI Content Detector, AI Detector | Strong match |
| GPTZero | Paid | AI API, AI Checker, AI Content Detector, AI Detector | Strong match |
| SpamCheck.ai | Paid | AI API, AI Checker, AI Content Detector, AI Detector | Strong match |
| Copyleaks | Free | AI API, AI Content Detector, AI Detector | Strong match |
| AI Undetect | Paid | AI Checker, AI Content Detector, AI Detector, Humanizer AI | Strong match |
Top 24 alternatives to Detecting-AI
- #1
AI or Not is an AI image and audio detector that checks if content was AI-generated, with API access for fraud and misinformation checks.
In common with Detecting-AI: AI API, AI Checker, AI Content Detector, AI Detector
- Detects AI-generated content in multiple formats (images
- Helps prevent fraud and misinformation
- Offers API access for integration into existing systems
Pricing: free
- #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 Detecting-AI: AI API, AI Checker, AI Content Detector, AI Detector
- AI detector for identifying text generated by AI models like ChatGPT
Pricing: paid, from $8.33
- #3S
AI spam detection API that screens user-generated content for spam before it is posted, with paid plans starting at $9.
In common with Detecting-AI: AI API, AI Checker, AI Content Detector, AI Detector
- AI-powered spam detection and prevention for user-
Pricing: paid, from $9
- #4
Copyleaks is a plagiarism checker and AI content detector that scans text in multiple languages and connects to other platforms through an API.
In common with Detecting-AI: AI API, AI Content Detector, AI Detector
- Comprehensive detection of plagiarism and AI-generated content
- Support for multiple languages
- Integration with various platforms via API and LMS
Pricing: free
- #5
AI humanizer that rewrites AI-generated text to read more naturally and claims to bypass AI detectors, from $5 a month.
In common with Detecting-AI: AI Checker, AI Content Detector, AI Detector, Humanizer AI
- AI tool to rewrite AI content
Pricing: paid, from $5
- #6
Originality.ai is an AI content detector and plagiarism checker that scans text for AI-generated writing and copied passages.
In common with Detecting-AI: AI API, AI Content Detector, AI Detector, Humanizer AI
- 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, from $30
- #7
Free AI paraphraser that rewrites and polishes text, with plagiarism checking and other writing tools in paid plans from $7 monthly.
In common with Detecting-AI: AI Content Detector, Humanizer AI
Pricing: paid, from $7
- #8
ZeroGPT is an AI detection tool that checks text for AI writing, plus summarizer, paraphraser, grammar and plagiarism checks.
In common with Detecting-AI: AI API, AI Checker, AI Content Detector, AI Detector
Pricing: free plan, paid plans from $0.03
- #9
Humanizer tool that rewrites AI-generated text into human-like writing and checks whether AI detectors will flag it.
In common with Detecting-AI: AI Checker, AI Content Detector, AI Detector, Humanizer AI
- Transforms AI content into undetectable
Pricing: free
- #10
Mixpeek is a multimodal data warehouse API that extracts features from video, image, audio and document files for developers building AI search.
In common with Detecting-AI: AI API, AI Content Detector, AI Detector
Pricing: free
- #11
AI content detector that checks text, documents, and PDFs for AI-written text, with a humanizer plus plagiarism and readability checks.
In common with Detecting-AI: AI Content Detector, AI Detector, Humanizer AI
- It features an AI Checker
- Plagiarism Checker
Pricing: free
- #12
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 Detecting-AI: AI Checker, AI Content Detector, AI Detector, Humanizer AI
- Words)
- Try core features for free
- Basic 20
Pricing: free
- #13
AI Detect is an AI content detector that estimates the probability of AI writing and humanizes AI-generated text.
In common with Detecting-AI: AI Checker, AI Content Detector, AI Detector, Humanizer AI
Pricing: free
- #14
Checks text for signs of AI writing and offers a humanizer to rework flagged passages, with support for PDF, Word, PPT and TXT files.
In common with Detecting-AI: AI Checker, AI Content Detector, AI Detector, Humanizer AI
- Accurate AI detection with over 99% accuracy
- Supports multiple file formats (PDF
- Word
Pricing: free
- #15
Free web-based AI content detector that gives an AI probability percentage and plagiarism check for ChatGPT, Gemini and Claude text.
In common with Detecting-AI: AI Checker, AI Content Detector, AI Detector
- It uses advanced algorithms and APIs to provide an AI probability score percentage
Pricing: free
- #16
Online plagiarism checker and AI content detector that scans submitted text for copied passages and AI-generated writing.
In common with Detecting-AI: AI API, AI Content Detector
- Online plagiarism and AI content checker with various text analysis tools
Pricing: paid, from $9.95
- #17
Free tool that detected AI-generated text in essays and emails using both OpenAI's models and proprietary detection technology.
In common with Detecting-AI: AI Checker, AI Content Detector, AI Detector
Pricing: free
- #18
Winston AI is an AI content detector and plagiarism checker that estimates whether text or images were generated by AI.
In common with Detecting-AI: AI API, AI Content Detector, AI Detector
- Free 2
Pricing: free
- #19
Upload a photo to check whether a face or image is AI-generated or a deepfake, with an authenticity score for dating, shopping, and research.
In common with Detecting-AI: AI Checker, AI Content Detector, AI Detector
- Trust What You See
- Upload a profile picture
- Detect synthetic faces and deepfakes in seconds
Pricing: free
- #20
Dechecker is an AI content detector that flags text likely written by ChatGPT, Claude, Gemini and other models, sentence by sentence.
In common with Detecting-AI: AI Checker, AI Content Detector, AI Detector, Humanizer AI
- Instantly detects AI-generated content from various models (ChatGPT
- GPT-4
- Claude
Pricing: free
- #21A
Algomax is an AI testing tool that evaluates LLM and RAG models and helps developers refine their prompts.
In common with Detecting-AI: AI API, AI Detector
Pricing: free
- #22
Paid AI humanizer that rewrites AI-generated text to reduce AI detection flags, starting at $9.99 a month.
In common with Detecting-AI: AI Content Detector, Humanizer AI
- Humanizes AI text to make it undetectable by AI detectors
Pricing: paid, from $9.99
- #23
Tool that rewrites AI-generated text to read more naturally and less mechanical.
In common with Detecting-AI: AI Content Detector, Humanizer AI
Pricing: free
- #24
AI Checker Tool is an AI content detector that flags text likely written by models like ChatGPT and also runs plagiarism checks.
In common with Detecting-AI: AI Checker, AI Content Detector, AI Detector
- Accurately identifies AI-generated content
- Offers plagiarism checking
- Supports multiple AI models like ChatGPT and Google Bard
Pricing: free
How we picked these Detecting-AI alternatives
We rank tools by how closely they match Detecting-AI: 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 Detecting-AI in 2026?
The closest alternatives to Detecting-AI are AI or Not, GPTZero, SpamCheck.ai, Copyleaks and AI Undetect. They are ranked by how many categories and tags they share with Detecting-AI and how similar their descriptions are, then by community votes and views on SoftwareVital.
What is the closest alternative to Detecting-AI?
AI or Not is the closest match because it shares AI API, AI Checker and AI Content Detector with Detecting-AI. It is free.
Are there free alternatives to Detecting-AI?
Yes. 17 of the 24 alternatives have a free or freemium plan, including AI or Not (free), Copyleaks (free), ZeroGPT (freemium), Undetectable AI (free) and Mixpeek (free). Detecting-AI is free.
Which Detecting-AI alternatives are paid or enterprise tools?
GPTZero (paid), SpamCheck.ai (paid), AI Undetect (paid), Originality.ai (paid) and Paraphrasing.io (paid) use paid or enterprise pricing, which usually means more support and admin options for teams.
How does Detecting-AI compare to AI or Not?
AI or Not overlaps with Detecting-AI in AI API, AI Checker and AI Content Detector. Its listed features include detects AI-generated content in multiple formats (images, helps prevent fraud and misinformation and offers API access for integration into existing systems. Pricing: free. Open the side-by-side compare page for a full breakdown.
What category is Detecting-AI in?
Detecting-AI is listed under AI API on SoftwareVital. Browse that category to see more tools in the same group.