| What it does | Plagiarism checker and AI detector using DeepSearch™ technology to scan billions of sources
| Test and guard AI agents with outcome verification, not reply verification
|
|---|
| Stage | Established
| Not given
|
|---|
| Founded | 2016
| Not given
|
|---|
| Based in | US
| IT
|
|---|
| Pricing model | Freemium
| Freemium
|
|---|
| Pricing | Not given
| Free: €0/month with 100 test runs per month; Test: €19/month with 2,000 runs per month; Guard: €99/month with unlimited runs plus live guard features. AI usage is metered separately at cost.
|
|---|
| Key features | - Plagiarism detection with DeepSearch™ technology scanning billions of sources
- AI detector for ChatGPT, GPT-4, Gemini and other AI models
- Sentence-level AI detection with confidence scores
- ColorGrade™ feedback to distinguish exact vs fuzzy plagiarism matches
- AI Humanizer to make AI-generated text sound natural
- AI Summarizer to instantly condense documents into key points
- Citation generator supporting MLA, APA, and Chicago formats
- AITutorMe paraphrasing tool with multiple output options
| - Isolated sandbox with fresh fake accounts for testing
- 88 scenario templates for refunds, cancellations, pauses and plan changes
- CI gate and CLI with dependency-free deployment
- Policy gate with ALLOW/REVIEW/HOLD/DENY decisions
- Human approval for risky actions
- Independent verification of outcome against ground-truth state
- Guardrails with prompt injection and PII detection
- Per-end-user spending caps in rolling windows
- Append-only evidence log with JSON, CSV and PDF export
- GitHub Action integration for automated testing
|
|---|
| What makes it different | - DeepSearch™ technology uses contextual analysis and semantic understanding rather than just keyword matching to detect paraphrased plagiarism
- All-in-one platform combining plagiarism detection, AI detection, humanization, summarization, and paraphrasing in one place
- Trusted by over 10 million students, teachers, and professionals worldwide
- Supports 17+ languages including English variants, French, Spanish, German, Italian, Portuguese, Polish, Romanian, Dutch, Turkish, Vietnamese, and Indonesian
| - Deterministic verdicts from explicit state checks, not language model decisions
- No-cost deterministic testing; AI features are optional and separately metered
- Integrated sandbox testing and production guarding in one platform
- Idempotent and exactly-once action execution with retry safety
|
|---|
| Community votes | 0 | 0 |
|---|
| DR (Domain Rating by Ahrefs) | 72 ● no change since last check | Not checked yet ● no change since last check |
|---|
| Trust Flow (Majestic) | 24 | 0 |
|---|
| Citation Flow (Majestic) | 42 | 0 |
|---|
| Referring domains (Majestic) | 2094 | 0 |
|---|
Quetext
COLVO