AI Detection tools help identify content generated by artificial intelligence models like ChatGPT, GPT-4, Claude, and Google Gemini. These tools are crucial for maintaining content authenticity, academic integrity, and SEO compliance.
34 verified AI-first sites in AI Detection.
AI image detector for Midjourney, DALL-E, Stable Diffusion, Flux, Firefly, and 20+ generators. Confidence scores, model ID hints, NSFW flags, Chrome extension, and API. Free tier with paid plans.
Pricing: Free basic access with premium subscription options
AI content detector and plagiarism checker covering text from ChatGPT, Gemini, Claude, and other models in 30+ languages, with AI image detection and source-code plagiarism checks. Integrates with major LMS platforms and offers an API for enterprise and education deployments.
Pricing: Free trial with paid plans starting at $9.99/month
Detection platform with both content detection and plagiarism checking capabilities, featuring a Chrome extension, WordPress plugin, and API for enterprise integration, backed by independent third-party accuracy studies.
Pricing: Pay-as-you-go credits starting at $0.01 per 100 words
AI writing detector built for educators, with sentence-level highlights, writing replay, plagiarism and hallucination/citation checks, plus Chrome extension, LMS integrations, and an API. Reports 19M+ registered users; acquired by Superhuman (formerly Grammarly) in June 2026 and still offered as a standalone product.
Pricing: Free tier. Paid plans for individuals, educators, and teams; API and enterprise pricing.
Free AI text detector that highlights likely AI-written sentences and gives an overall AI percentage for text from ChatGPT, Gemini, Claude, and other models. Adds batch file uploads, browser extension, and an API, alongside writing tools like paraphrasing and summarizing.
Pricing: Free tier available. Pro: $9.99/month. Max: $26.99/month with additional features.
AI text and image detector for educators, publishers, and SEO teams, now on its Winston 5.0 detection model. Scans documents and handwritten or scanned text via OCR, adds plagiarism checks and readability scoring, and produces shareable reports. Chrome extension and API available.
Pricing: Free trial. Paid plans billed by monthly word credits; API and team plans available.
Free AI text detector with no signup: paste text or upload TXT, PDF, or DOCX for an overall AI score and full-text highlights. It is built to review patterns associated with GPT-5, Claude, and Gemini, including mixed human-AI drafts, and exposes a REST API plus an MCP server for the same scores. Paid Writer and Scholar plans add humanizer credits and plagiarism checks on top of unlimited detection.
Pricing: Free scans with no account. Writer $6/month ($72/year). Scholar $20/month ($240/year). API from $15/month.
Comprehensive AI content detection platform offering real-time analysis and plagiarism checking capabilities. Features instant scanning without signup requirements, detailed sentence-by-sentence breakdown, and support for academic integrity verification. Includes specialized tools for educators, content writers, and freelancers with focus on maintaining content authenticity and quality
Pricing: Free with no signup required
Free AI content detection tool specializing in identifying content from ChatGPT, GPT-3, GPT-4, and other AI writing tools. Features instant results, detailed reporting with highlighted AI content, and support for multiple content types including essays, articles, and business writing. Emphasizes data protection and privacy with no content storage
Pricing: Free
Free AI and plagiarism detection with 96% accuracy and under 0.4% false positive rate. Detects ChatGPT, GPT-4, Claude, Gemini, LLaMA. Sentence-level detection, source matching, and AI humanizer. Processed 200M+ documents.
Pricing: Free tier. Premium plans available.
AI text detector (Pangram 4) with a very low false-positive rate, sold as a web app, Chrome extension, and API and used by Substack and Quora. It scores ChatGPT, Claude, Gemini, and mixed or humanized writing with sliding-window segment scores, and raised $9M led by Menlo Ventures in 2026. Independent 2026 academic studies ranked it ahead of GPTZero, Copyleaks, and Turnitin on hybrid and humanized papers; Canvas and Google Classroom integrations are available.
Pricing: Individual $20/month. Organizational plans and API credits; see Pangram.
Enterprise-grade AI content detection platform. Analyzes text, images, and video with Detective Score system-model fingerprinting, evidence markers, sentence-level highlighting, and deepfake detection. Compare writing samples for shared AI patterns. Free tier (3 analyses), Premium $1.99/mo, Pro $4.99/mo, Ultimate $9.99/mo. API, batch analysis, and enterprise plans.
Pricing: Free: 3 analyses. Premium: $1.99/mo. Pro: $4.99/mo. Ultimate: $9.99/mo. Enterprise: Custom.
AI-generated and deepfake detection models for images, video, audio, music, and text, used by platforms screening uploads at scale. Hive Detect for Enterprises adds a drag-and-drop team workspace with access controls, shared history, and frame-by-frame AI-generation scores, with a public demo at hivedetect.ai. High-volume trust-and-safety teams still run the same models through Hive's detection APIs.
Pricing: Free Hive Detect demo; enterprise API and Hive Detect for Enterprises via sales.
Enterprise deepfake detection for audio, image, and video. Real-time API and SDK screening for impersonation and synthetic media risk. Used in finance, media, and fraud-prevention workflows as generative deception scales.
Pricing: Free API tier with limited monthly scans; enterprise and custom deployments; see site.
AI-generated content detection for images and text: estimates likelihood of synthetic media, identifies likely generator families, and highlights localized AI-generated regions. Free core checks plus paid plans with higher API limits for creators, moderators, and integrators.
Pricing: Free image and text classification; Basic from $10/month; Pro from $30/month; enterprise on request.
Self-serve deepfake detection for video, image, and audio. Upload media for authenticity scores with a free monthly allowance and public pricing for API and higher volume plans.
Pricing: Free tier (50 detections/mo). Paid plans from $49/month.
Enterprise multimodal deepfake detection (DETECT-3B Omni) for audio, image, and video. Real-time API and on-prem options with forensic explainability; ranks atop public speech deepfake benchmarks.
Pricing: API credits and enterprise on-prem; see Resemble.
Forensic-grade deepfake detection for image, video, and audio. Multimodal analysis for KYC, brand protection, and law-enforcement workflows with cloud and on-prem options.
Pricing: Enterprise; contact for pricing.
Nonprofit deepfake detection that ensembles multiple models into one verdict. Journalists and researchers paste social or Drive links for free multimodal authenticity checks.
Pricing: Free for registered users; nonprofit project.
Enterprise deepfake detection for image, video, and audio. Built for trust-and-safety and fraud teams that need production APIs and explainable synthetic-media scores.
Pricing: Enterprise; contact for pricing.
AI authenticity checks for submitted photos, documents, audio, and video. Forensic signals, metadata, and duplicate detection for insurance, claims, and KYC file validation.
Pricing: Enterprise platform; contact for pricing.
Voice deepfake and call-center fraud defense. Detects cloned voices and synthetic audio on live calls and virtual meetings for contact centers and high-risk authentication.
Pricing: Enterprise; contact for pricing.
AI content authenticity and provenance platform that traces media to its source and detects synthetic manipulation. Combines deepfake detection with forward provenance protection for media, compliance, security, and trust workflows.
Pricing: Early platform access; contact Cauth AI.
Real-time AI social-engineering defense for critical voice and video calls. Combines deepfake and cloned-voice detection with liveness, identity, injection-attack, and conversation-risk signals before sensitive decisions are approved.
Pricing: Enterprise pricing; contact Diopter AI.
Google DeepMind watermarking and detection for AI-generated text, images, audio, and video. The SynthID Detector opened to everyone globally in October 2026 and checks files for SynthID marks from Google and partners including OpenAI, NVIDIA, and Kakao. Google reports more than 180 billion images and videos watermarked to date, and it only flags marked content rather than any AI output.
Pricing: Free with sign-in; about 10 image, video, and audio checks per day.
AI-generated text detector for ChatGPT and similar LLM output. Quick checks for students, editors, and teams screening short to mid-length documents for synthetic writing.
Pricing: Free and paid plans; see GPTKit.
Enterprise multimodal deepfake and impersonation defense for files and live calls. Combines synthetic-media detection, continuous identity verification, and C2PA credential checks for fraud and trust teams.
Pricing: Enterprise plans; contact GetReal Security.
Real-time audio deepfake and voice anti-spoofing for contact centers and biometrics. API and streaming detection of cloned and synthetic speech across 80+ languages with sub-50ms latency.
Pricing: Free API tier and paid plans; see Aurigin.
Free browser-side AI detector for text, images, video, and audio. Private client-side scans aimed at quick authenticity triage without uploading files to a server.
Pricing: Free; see EyeSift.
Media forensics platform that detects deepfakes in image, video, and audio and shows where the media was manipulated. It flags manipulated image regions and video timecodes and compiles the findings into forensic reports for fraud, identity, and investigative teams. An API connects to identity-verification systems to catch face swaps, synthetic faces, cloned voices, and injection attacks, and it launched on September 30, 2026.
Pricing: Enterprise and API access; contact Cyberette.
Audio authentication models that detect synthetic, cloned, or replayed speech in live calls and recordings. It returns a synthetic score and flags the segments that need review, and can run through a hosted API, private VPC, on-premises servers, or on the handset CPU so audio never leaves the device. Built for phone makers, contact centers, and voice-agent pipelines, with an early-revenue San Francisco startup behind it.
Pricing: SDK and API licensing; contact DetectifAI.
AI detection API and web checker that tests whether images, video, audio, music, and text were generated or manipulated by AI models. It returns a verdict with confidence scores and per-generator breakdowns such as Stable Diffusion and Midjourney, plus a separate deepfake check. The company reports 98.9% accuracy, 7M+ checks run, and 500K+ users, and publishes developer API documentation.
Pricing: Free tier with $5 in credits and 1M words of text detection monthly; Pro $5/month; Business $100/month; enterprise custom.
AI text detector for educators, publishers, and teams, with sentence-level highlights and document scores across 23 languages. Its classifier is a proprietary fine-tuned transformer encoder trained with hard-negative mining on academic writing; a March 2026 evaluation reported a 0.2% false-positive rate on 4,200 human academic texts. Batch Scan and APIs cover text and images, and plagiarism checking can run in the same scan.
Pricing: First 1,000 words free. Essential $15/month ($99/year); Premium $25/month ($165/year); Professional $45/month ($300/year).
AI image detector that scores whether a photo was generated by models such as Midjourney, DALL-E, Flux, Firefly, Stable Diffusion, and Imagen. A Chrome and Firefox extension checks images in place on social, marketplace, and news pages, and an API covers volume screening. The same detection model powers the web checker, extension, and API.
Pricing: Free: 10 images/month. Basic $3.99/month (100 images). Advanced $35/month (1,000 images). Enterprise custom.