Pangram Labs
FreemiumAI detector with 99.98% accuracy, verified by top universities.
By Tanmay Verma, Founder · Last verified 26 Jun 2026
3.3k views
Added 5/4/2026
95/100Safe BetIn short
Pangram Labs — AI detector with 99.98% accuracy, verified by top universities. Best for Educators and universities needing reliable AI detection, Enterprises requiring content authenticity verification, Publishers and journalists verifying article origins. Free to start; paid plans from $20/mo.
Is Pangram Labs actually worth it?
LiveSee what real users actually say. We scan live discussions, reviews and complaints across the web and hand you an honest verdict — in under a minute.
3 free scans · no card needed · downloadable report
Editorial Verdict
Best for
Educators and universities needing reliable AI detectionEnterprises requiring content authenticity verificationPublishers and journalists verifying article originsHR departments screening applications for AI useDevelopers who want to self-host detection via Open Pangram
Not ideal for
Individuals who need unlimited free scans (free plan limited to 4 scans/day)Users needing a simple AI detector without plagiarism checksOrganizations requiring on-premise deployment (no on-premise option)Users needing real-time detection for live chat or streaming
Pangram remains one of the most accurate AI detectors with third-party verification and a freemium model. The open-source release (Open Pangram, March 2026) boosts transparency and trust. Its proprietary approach avoids weaknesses of perplexity-based detectors. However, the free tier limits you to 4 credits per day, which may frustrate heavy users. For educators and institutions needing verified accuracy, Pangram is a strong choice. Alternatives like Originality.ai offer similar features but may be cheaper for high volume.
Skip Pangram Labs if Skip Pangram if you need unlimited free AI detection or require on-premise deployment.
Last verified: June 2026
What's new in Pangram Labs
Updated 3 days agoAcross the latest 5 updates: 2 feature updates, 1 launch, 1 changelog entry and 1 news mention.
FeatureBlog·11 days agoNewest
Pangram Space: an Interactive Research Project
Released an interactive embeddings explorer for Pangram 3 as a research project.
FeatureBlog·20 days ago
Does Pangram Work on Claude Fable 5?
Pangram tested on Anthropic's Claude Fable 5 (Mythos class) — detection capabilities evaluated.
ChangelogBlog·May 26
When Will AI Become Undetectable?
Analysis of AI model evolution and its impact on detectability.
NewsBlog·May 21
AI is Writing Prize-Winning Fiction
Commonwealth Short Story Prize finalist accused of being AI-generated on Twitter.
LaunchBlog·Mar 24
Introducing Open Pangram
Open weights and source-code versions released based on EditLens technology (ICLR 2026).
Viability Score
95/100
Safe BetHow likely is Pangram Labs to still be operational in 12 months? Based on 4 signals — momentum (how recently it shipped), wrapper dependency, revenue model, and web presence.
momentum
100
funding runway
80
website health
90
wrapper dependency
100
Last calculated: June 2026
How we score →Key Features
- AI content detection with 99.98% accuracy
- AI segment analysis (highlights AI-generated parts)
- AI assistance detection (identifies edited segments)
- Built-in plagiarism checker
- 20+ language support
- Detects content from ChatGPT, Gemini, Grok, Llama, Claude, Claude Fable 5
- Detects humanized text
- File upload for PDF, DOCX, RTF (up to 100 files)
- Chrome extension
- Firefox extension (New)
- Google Docs integration
- LMS integrations (Canvas, Moodle, Google Classroom, Brightspace)
- Open-source version (Open Pangram) based on EditLens
- Proprietary technology using hard negative mining and active learning
- Pangram Space interactive embeddings explorer
About Pangram Labs
FreemiumBeginner-friendlyAPI availableWeb · API · Plugin
Pangram Labs provides an AI detector that identifies AI-generated content with 99.98% accuracy, verified by researchers at the University of Chicago and University of Maryland. Trusted by universities, schools, and enterprises worldwide, it uses natural language processing and a massive dataset to detect patterns from models like ChatGPT, Gemini, Grok, Llama, Claude, and Claude Fable 5. Features include AI segment analysis showing how much text is AI-generated, AI assistance detection for edited content, and a built-in plagiarism checker. Supports 20+ languages and detects humanized text. Integrates with Chrome, Firefox, Google Docs, and LMS platforms like Canvas, Moodle, and Google Classroom. Pangram differentiates itself with proprietary technology trained on diverse datasets using hard negative mining and active learning, rather than perplexity and burstiness. In March 2026, it released open-source versions under Open Pangram, based on EditLens technology (ICLR 2026).
Behind the Verdict
Pangram stands out in the AI detection space because it doesn't rely on weak signals like perplexity and burstiness. Instead, its proprietary model uses hard negative mining and active learning on diverse datasets, achieving 99.98% accuracy verified by independent researchers. The tool provides transparency through segment-level analysis, showing which parts are fully AI-generated or AI-assisted. Its plagiarism checker is a nice bonus, but it's only available on paid plans. The free tier (4 credits/day) is enough to test the waters but not for regular use. Paid plans start at $20/month for 600 credits, which is reasonable for individual educators. The Professional plan ($65/month for 3000 credits) suits heavy users. The open-source release (Open Pangram) is a major differentiator — you can audit the model or self-host. However, there's no on-premise deployment option, and the pricing page is somewhat hidden (no direct link from homepage), causing friction. Pangram is best for educators, universities, publishers, and enterprises requiring high accuracy. It's less suited for casual users needing unlimited free scans or real-time chat detection.
Researching Pangram Labs? Get your full AI stack in 60 seconds.
Free, no signup — tell us your goal and get tools matched to your budget & existing stack.
Real-world workflow fit
Concrete scenarios for the personas Pangram Labs actually fits — and what changes day-one when you adopt it.
High school teacher
You suspect a student used ChatGPT to write an essay. You paste the text into Pangram's free tier and get a detailed analysis showing 85% AI-generated content with specific segments highlighted. You also check for plagiarism with one click (requires paid plan).
Outcome: You confirm AI use and identify plagiarized sources, enabling informed discussion with the student.
University administrator
Your university integrates Pangram's Institutional License into Canvas LMS. All submitted assignments are automatically scanned for AI and plagiarism. You access a dashboard showing trends in AI use across departments.
Outcome: You maintain academic integrity with minimal workflow disruption, and reports provide data for policy decisions.
Developer
You need to filter AI-generated code from a dataset. You use Pangram's Developer API to programmatically scan 10,000 snippets. With auto-refill credits and progressive discounting, you process the batch cost-effectively.
Outcome: Your dataset is cleaned of synthetic code, improving model training quality.
Use Cases
- Teachers identifying AI essays, paraphrasing, and humanizer tools
- Publishing and media teams protecting editorial integrity at scale
- Content moderators detecting AI reviews, spam, and synthetic content
- Developers scanning codebases and projects via API
- Law firms verifying briefs, filings, and legal work product
- Universities screening assignments and research submissions
- Recruiters screening resumes and verifying candidates
- ML engineers filtering synthetic data from training sets
Models Under the Hood
ChatGPTGeminiGrokLlamaClaudeClaude Fable 5
Limitations
- Free plan limits you to 4 credits per day, insufficient for regular use.
- Pricing page is hidden from homepage, causing friction.
- Professional plan ($65/month for 3000 credits) is pricey compared to some competitors.
- No offline mode; requires internet.
- Plagiarism detection only on paid plans.
- High-volume usage may require enterprise custom pricing.
12-month cost
Project the real annual outlay, including the implied monthly cost when only an annual tier is published.
Annual total
Free
Over 12 months
Effective monthly
Free
Billed monthly
Vendor list price only. Add-on usage, seat overages, and contract minimums are surfaced under Hidden costs & gotchas.
Plans compared
For each published Pangram Labs tier: who it actually fits, and what it adds vs. the previous tier. Cross-reference the cost calculator above for projected annual outlay.
Free
$0/mo
Ideal for
Teachers, students, or curious individuals wanting to test AI detection with minimal commitment (4 scans per day).
What this tier adds
Starting tier: 4 credits/day, no payment method needed. Includes AI assistance detection and interpretability features.
Individual
$20/mo
Ideal for
Solo educators or freelance writers who need regular AI and plagiarism checks (up to 600 scans/month).
What this tier adds
Adds 600 credits/month and plagiarism detection on every scan; costs $20/month.
Professional
$65/mo
Ideal for
Heavy users such as full-time editors or researchers who scan over 600 documents per month.
What this tier adds
Increases credit limit to 3000/month; same features as Individual but higher volume.
Team
$20/seat/mo
Ideal for
Small departments or teams (minimum 2 seats) needing shared admin controls and unified billing.
What this tier adds
Per-seat pricing ($20/seat/month) with admin controls and member management; each seat gets 600 credits/month.
Developer API Credits
From $25 for 500 credits
Ideal for
Developers who need to integrate AI detection into their own apps or workflows via API.
What this tier adds
Pay-as-you-go credits (from $25 for 500 credits) with auto-refill and progressive discounting at higher volumes.
Institutional License
Contact
Ideal for
Schools, universities, and districts that need unlimited scanning across all students with LMS integration and compliance.
What this tier adds
Unlimited AI and plagiarism checks, LMS integrations (Canvas, Moodle, etc.), automatic plagiarism detection, and no training on student data.
Enterprise
Contact
Ideal for
Large organizations processing high volumes of content who need SOC 2 compliance and dedicated support.
What this tier adds
Variable pricing, SOC 2 compliance, API access, usage statistics, and dedicated development channel.
Integrations
ChromeFirefoxGoogle DocsCanvasMoodleGoogle ClassroomBrightspace
Where the pricing makes sense
The company stage and team size where Pangram Labs's pricing actually pencils out — and where peers do it cheaper.
Pangram's pricing is competitive for educators and institutions needing verified accuracy. The free tier is a trial tool only. Individual ($20/mo, 600 credits) suits solo teachers; Professional ($65/mo, 3000 credits) fits heavy users. Competitors like Originality.ai offer similar pricing but without open-source transparency. For high volume, enterprise custom pricing may be needed.
Setup time & first value
How long it actually takes to get something useful out of Pangram Labs — broken out by persona, not the marketing-page minute.
For individual users: 5 minutes to create an account and start scanning. Chrome/Firefox extension installs in under 1 minute. For university LMS integration (Canvas, Moodle, etc.): 1-2 hours for admin setup, then instant student scanning. For API integration: developer time varies (hours to days) depending on complexity.
Switching to or from Pangram Labs
How to bring data in from common predecessors and how to get it back out — written for the switcher, not the buyer.
Migrating in
- →From Turnitin: export your course rosters and assignments; Pangram supports LMS integration with Canvas, Moodle, Google Classroom.
- →From Originality.ai: no direct import, but you can manually upload documents or use API for bulk scanning.
- →From GPTZero: no direct import; you can paste text or use Chrome extension for individual scans.
- →From manually checking: simply copy-paste text or upload files; no data transfer needed.
Migrating out
- ↗To Originality.ai: export scan history (Pangram allows downloadable reports) and manually upload to competitor.
- ↗To Turnitin: no direct export; you would need to re-upload assignments to Turnitin's system.
- ↗To self-hosted solution: Pangram's Open Pangram release lets you export your model and run locally.
Resources & Guides
- Resourcepangram.com
AI Detector — Verified AI Content Checker | Pangram
Explore our blog for the latest on software updates, useful guides and AI news.
- Resourcepangram.com
AI Detector — Verified AI Content Checker | Pangram
Flexible pricing options depending on your AI detection needs. Choose between our individual, professional and enterprise pricing plans.
- Resourcepangram.com
Meet Pangram 3.3!
Introducing our latest AI detector, Pangram 3.3, with improved recall on humanized texts and an even lower false positive rate on ESL writing.
- Resourcepangram.com
Does Pangram work on GPT-5.4?
OpenAI just released a new flagship model: GPT-5.4! We break down if Pangram can detect it.
Frequently Asked Questions
Popular in Research & Education
Used Pangram Labs? Help shape our editorial sentiment research.