AI Detector Pro is a web tool for identifying signs of AI writing in documents and revising text.
Alternatives to TrustOriginality.ai
TrustOriginality.ai is a fit for teams that need to review more than text: it analyzes images, audio and video as well as text, and its explainable Trust Score supports human review. Each analysis can produce a signed PDF with QR verification and a public verification link. It also offers API access, browser extension support and integrations for WordPress and Drupal, alongside Android, iOS and web access. A free plan is available, with paid plans from €4.99 per month. The…
Humbot is an AI study and writing assistant for humanizing content, detecting AI writing, checking plagiarism and improving clarity.
Ahrefs is a web-based SEO platform for keyword research, rank tracking, site audits, backlink analysis, and competitor research.
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AI or Not
AI or Not offers AI detection for images, text, videos, audio, and deepfakes through its web and iOS service and API.
Free planiOSWebAPIExtension7.6From $5 a month - 5

Corrector.app
Corrector.app checks text for spelling, grammar, and punctuation errors, then suggests corrections.
Free planAndroidiOSWebExtension7.6Free plan - 6

Originality.ai
Originality.ai offers tools for checking AI-generated text, plagiarism, facts, readability, grammar, spelling, and content quality.
Free planWebAPIExtension7.6From $12.95 a month - 7

GPTZero
GPTZero identifies likely AI-generated writing and highlights potential AI use at document, sentence, and word level.
Free planWebAPIExtension7.5From $8.33 a month - 8
Trinka
Trinka is an AI grammar correction and language enhancement assistant designed for academic and technical writing.
Free planWebAPIExtensionmacOS7.5From $300 a year - 9

Winston AI
Winston AI detects AI-generated text and images and includes plagiarism checking and other content-integrity tools.
Free planWebAPIExtensionSelf-hosted7.5From $189 a month - 10

Hive AI-Generated Content Detection
Hive AI-Generated Content Detection provides separate APIs for detecting AI-generated visual media, text, and audio.
Free planWebAPIExtensionSelf-hosted7.4$6 one-time - 11

Resemble Detect
Resemble Detect analyzes audio, video and images and returns a verdict on whether media is AI-generated or altered, with an explanation.
Free planWebAPIExtensionSelf-hosted7.4From $350 a month - 12
ScribeLens
ScribeLens analyzes writing for AI-like patterns and provides sentence classifications, an overall interpretation, and an exportable report.
Free planWebAPIExtension7.4From $9 a month - 13
SlopTotal
SlopTotal analyzes pasted text or a public URL with 23 AI detection engines and displays each engine’s vote alongside a calibrated score.
Free planOpen sourceWebAPIExtensionLinux7.4Free plan - 14
AI Detect
AI Detect is a free, open-source tool that scores writing sentence by sentence for signs associated with AI-generated text.
Free planOpen sourceLinuxmacOSSelf-hostedWindows7.2Free plan - 15

Copyleaks AI Detector
Copyleaks AI Detector identifies AI-written text, including text blended with human writing.
WebAPIExtensionSelf-hosted7.2 - 16
Polygraf AI Detector
Polygraf AI Detector identifies whether content was created or manipulated by AI.
Free planWebAPIExtension7.2From $9.95 a month - 17

BrandWell
BrandWell is growth automation software connecting sales and marketing activity, shared business data, recurring workflows and AIMEE agents.
WebAPImacOSWindows7.1From $99 a month - 18

TraceGPT
TraceGPT checks writing for signs of AI generation, scoring each sentence from 0 to 100 and highlighting sentences it flags.
WebAPIExtension7.0$5.99 one-time - 19

Detecto
Detecto is a web tool that estimates the likelihood that text, images, video, or audio were generated by AI.
Free planWeb6.9From $6.99 a month - 206.9From £399 a year
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Detecting-AI.com
Detecting-AI.com analyzes writing for signals associated with AI and displays a document score with likely AI-related passages highlighted in the text.
Free planWebAPI6.8From $84 a year - 22
6.8From $5 a month - 23

Isgen AI Detector
Isgen AI Detector is a web and API service for assessing whether content may have been generated by AI.
Free planWebAPI6.8From $8 a month - 24

Pangram
Pangram checks text and images for AI-generated content and also offers plagiarism detection.
Free planWebAPIExtension6.8From $20 a month - 25
Proofademic
Proofademic analyzes submitted writing for possible AI-generated content and plagiarism.
Free planWebAPI6.8From $15 a month - 26

Quetext AI Detector
Quetext AI Detector analyzes writing for signs of AI-generated text and displays line-by-line results with a confidence score.
Free planWebAPIExtension6.8From $7.99 a month - 27

Reality Defender
Free planWebAPISelf-hosted6.8From $399 a year - 28

Facia Deepfake Detection
AndroidiOSWebAPI6.7 - 29
Illuminarty
Illuminarty estimates whether images and text were generated by AI, with access through the web and an API.
Free planWebAPI6.5From $10 a month - 30

Undetectable AI
Undetectable AI’s AI Detector checks whether text may be AI-generated and identifies ChatGPT, Gemini, Claude, and other models as detectable sources.
WebAPIExtension6.5From $60 a year


