Kazan SEO AI Detector
Professional-grade AI content detection and semantic SEO analysis at zero cost.

Enterprise-grade linguistic fingerprinting and AI content authentication for the post-GPT-5 era.
Check-Plagiarism AI Detector leverages a multi-layered Transformer-based architecture to distinguish between human-authored text and high-entropy AI-generated content. As of 2026, the tool has evolved beyond simple perplexity and burstiness metrics, now incorporating semantic consistency checks and stylistic fingerprinting to identify outputs from models including GPT-4o, Claude 3.5, and Gemini Ultra. The platform operates by scanning content across its proprietary dataset of 40+ billion web pages while simultaneously running a deep-learning classifier that detects the 'synthetic signature' left by modern LLMs. Its technical architecture is optimized for low-latency processing, making it a staple for educational institutions and content marketing agencies that require real-time verification of massive datasets. By 2026, the tool has positioned itself as a defensive necessity in the SEO landscape, helping webmasters avoid search engine de-indexing caused by low-quality, automated content. The system provides a granular percentage-based score, highlighting specific sentences with high probability of AI origin, thus allowing for selective manual editing. It serves as a bridge between high-volume content production and the rigorous standards of human-led editorial teams.
Measures the variation in sentence length and structure to detect the predictable pacing of LLMs.
Professional-grade AI content detection and semantic SEO analysis at zero cost.
Forensic-level AI content detection and advanced humanization for SEO-proof content.
Transform AI-generated text into undetectable, human-grade content with advanced linguistic humanization.
A non-profit open-source detector for educational integrity and transparent AI verification.
Verified feedback from the global deployment network.
Post queries, share implementation strategies, and help other users.
Trained on specific outputs from GPT-4o, Claude 3 Opus, and Gemini to identify proprietary weights.
Uses a gradient color scheme to highlight the probability of machine generation at the clause level.
Supports 10+ languages including French, Spanish, German, and Italian using multilingual BERT models.
Asynchronous processing of up to 50 files simultaneously with consolidated results.
RESTful API endpoints for seamless integration into CMS platforms like WordPress or Drupal.
Bypasses standard indexing to search private repositories and deep-web academic journals.
Professors need to verify if a student's thesis was drafted by an LLM to maintain institutional integrity.
Registry Updated:2/7/2026
Export report as evidence for the ethics committee.
Agency owners need to ensure freelance writers are not submitting unedited AI content that risks Google penalties.
Legal firms must ensure that briefs and filings are human-drafted to avoid hallucinations in case law.