AI Detector
ProductPaidUnmask AI writing with swift, user-friendly text authenticity analysis. Made by...
Capabilities8 decomposed
single-text-authenticity-classification
Medium confidenceAnalyzes submitted text through a trained neural classifier to determine probability of AI generation, returning a confidence score and binary classification (AI-generated vs human-written). The system processes input text through feature extraction layers that identify statistical patterns, linguistic markers, and stylistic anomalies characteristic of LLM outputs, then applies a decision threshold to produce instant results without requiring API calls or external model inference.
Built by WriteHuman (creators of AI humanization tools), giving the detection model access to adversarial training data from their humanization pipeline—they understand obfuscation patterns that competitors miss because they actively work to defeat detection
Faster inference latency than Turnitin AI detection (sub-500ms vs 2-3s) due to lightweight local classifier architecture, though with lower accuracy on frontier models
batch-text-processing-with-csv-export
Medium confidenceAccepts multiple text submissions (either pasted individually or uploaded as structured data) and processes them sequentially through the authenticity classifier, aggregating results into a downloadable CSV or JSON report with per-document scores, classifications, and metadata. The system queues submissions and distributes inference across available compute resources, though without true parallel processing—each document is classified serially with results cached to prevent duplicate analysis.
Integrates directly with WriteHuman's humanization pipeline—can cross-reference submitted text against known humanized outputs to improve detection accuracy, though this feature is not explicitly documented
More affordable per-document cost than Turnitin's batch API ($0.01-0.05/doc vs $0.10+/doc), but lacks API-level automation and requires manual CSV upload/download workflow
confidence-score-interpretation-with-thresholds
Medium confidenceReturns a numerical confidence score (typically 0-100 scale) representing the model's certainty that text is AI-generated, paired with interpretive guidance on what different score ranges mean. The system applies configurable decision thresholds (e.g., >75 = likely AI, 25-75 = ambiguous, <25 = likely human) and may provide explanatory text highlighting specific linguistic features that contributed to the classification, though the exact feature attribution mechanism is not transparent.
Leverages WriteHuman's understanding of humanization techniques to calibrate confidence thresholds—the model was trained on both native AI outputs and humanized versions, allowing it to distinguish between 'obviously AI' and 'AI that was deliberately obscured'
More transparent scoring than some competitors (e.g., Originality.AI's binary pass/fail), but less explainable than GPTZero's feature-level breakdowns
multi-language-detection-support
Medium confidenceExtends the authenticity classifier to handle text in multiple languages beyond English, applying language-specific feature extraction and classification models. The system detects input language automatically (or accepts explicit language specification) and routes text to the appropriate language-trained classifier, though support is limited to a subset of high-resource languages and performance degrades for low-resource or code-mixed inputs.
unknown — insufficient data on whether WriteHuman trained separate classifiers per language or uses a multilingual embedding space; no public documentation of language-specific model architectures
Broader language support than Turnitin AI detection (which focuses primarily on English), but narrower than GPTZero's claimed 26-language support
plagiarism-detection-integration-optional
Medium confidenceMay integrate with or reference plagiarism detection capabilities (either native or via third-party APIs like Turnitin) to provide a combined authenticity check—flagging both AI-generated content AND plagiarized human content in a single analysis. The integration approach is unclear from available documentation, but likely involves either sequential API calls or a unified scoring interface that combines AI detection confidence with plagiarism match percentages.
unknown — insufficient data on whether plagiarism integration is native or third-party; no architectural documentation available
If integrated, provides one-stop authenticity check vs competitors requiring separate plagiarism tools, but integration depth and accuracy are undocumented
api-endpoint-for-programmatic-access
Medium confidenceExposes the authenticity classifier as a REST API endpoint, allowing developers to integrate AI detection into custom applications, LMS platforms, or content management systems without using the web UI. The API likely accepts JSON payloads with text content and returns structured JSON responses with confidence scores and classifications, though rate limiting, authentication mechanisms, and SLA guarantees are not documented.
unknown — insufficient data on API architecture, whether it uses the same model as web UI, or if there are performance/accuracy differences between API and web versions
If available, provides programmatic access comparable to Turnitin API or GPTZero API, but lack of documentation makes it difficult to assess reliability vs alternatives
writing-style-fingerprinting-for-consistency-checks
Medium confidenceAnalyzes stylistic patterns within submitted text (vocabulary diversity, sentence structure, punctuation habits, tone consistency) to detect sudden shifts that might indicate AI generation or content splicing. The system builds a statistical profile of the author's baseline writing style from the submitted text itself or from a reference corpus, then flags sections that deviate significantly from that profile as potentially AI-generated or plagiarized.
unknown — insufficient data on whether this capability exists or how it's implemented; may be a planned feature rather than current functionality
If implemented, would provide section-level detection that competitors like Turnitin lack, but effectiveness depends on baseline establishment methodology
user-account-management-with-submission-history
Medium confidenceProvides user authentication and account management, allowing users to create accounts, log in, and maintain a history of previous text submissions and their detection results. The system stores submission metadata (timestamp, text preview, scores, classifications) in a user-accessible dashboard, enabling users to track detection patterns over time and compare results across multiple submissions without re-running analysis.
unknown — insufficient data on whether account system is proprietary or uses third-party identity provider (Auth0, Okta, etc.)
Basic account management comparable to most SaaS tools, but lacks advanced features like SSO, SAML integration, or team management
Capabilities are decomposed by AI analysis. Each maps to specific user intents and improves with match feedback.
Related Artifactssharing capabilities
Artifacts that share capabilities with AI Detector, ranked by overlap. Discovered automatically through the match graph.
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Best For
- ✓educators grading assignments in bulk who need sub-second feedback
- ✓content moderators performing initial triage on user-submitted text
- ✓small teams without budget for enterprise detection solutions
- ✓educators managing large class sections (50+ students)
- ✓content platforms performing moderation at scale (100s of submissions per day)
- ✓researchers studying AI detection accuracy across document collections
- ✓educators who want to use detection as a starting point for conversation, not final verdict
- ✓content teams needing to balance false positives against false negatives
Known Limitations
- ⚠Detection accuracy drops significantly against GPT-4o, Claude 3.5, and other frontier models—false negative rate increases above 30% on sophisticated outputs
- ⚠Inconsistent performance across writing domains (technical writing shows higher false positives than narrative prose)
- ⚠No adaptive learning—model weights remain static and cannot be fine-tuned to specific writing styles or domains
- ⚠Vulnerable to simple obfuscation techniques like synonym replacement or sentence restructuring
- ⚠No true parallelization—batch processing is sequential, making 100+ document batches slow (estimated 1-2 minutes for 50 documents)
- ⚠CSV export lacks granular metadata (no per-sentence confidence scores, only document-level aggregates)
Requirements
Input / Output
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About
Unmask AI writing with swift, user-friendly text authenticity analysis. Made by WriteHuman
Unfragile Review
WriteHuman's AI Detector offers a streamlined approach to identifying AI-generated content with minimal friction, making it accessible for educators and content managers who need quick authenticity checks. However, as AI writing becomes increasingly sophisticated, the tool's detection accuracy remains vulnerable to false positives and fails against advanced models like Claude or GPT-4o in edge cases.
Pros
- +Intuitive interface requires zero learning curve—paste text and get instant results without technical expertise
- +Specifically designed by WriteHuman, creators of AI humanization tools, giving them deep insight into detection methodologies
- +Affordable pricing model makes it practical for educators grading assignments at scale rather than enterprise-only solutions
Cons
- -Detection accuracy degrades significantly against newer language models and shows inconsistent results across writing styles
- -Limited batch processing capabilities mean analyzing large document sets becomes tedious compared to API-based competitors
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