# Pangram Labs

> Pangram Labs builds AI-content detection software that identifies text written by models like ChatGPT, Claude, Gemini and Grok. Founded in 2024 by Stanford classmates Max Spero and Bradley Emi, the New York-based startup claims third-party-verified accuracy above 99.9% and a roughly 1-in-10,000 false-positive rate, positioning itself as the reliable alternative to perplexity-based detectors. Its detector, browser extensions, API and LMS integrations are used across education, publishing, enterprise trust & safety and platform moderation.

- **Founded:** 2024
- **Headquarters:** New York, New York, United States
- **Founders:** Max Spero (Co-founder & CEO), Bradley Emi (Co-founder & CTO)
- **Team size:** ~20 employees
- **Products:** Pangram AI Detector, Browser Extensions, Detection API, LMS Integrations, Plagiarism Checker
- **Notable:** Published a technical report and four independent, university-backed studies validating detection accuracy., Third-party benchmarks report over 38x lower error rates than leading commercial detectors across 10 text domains and 8 LLMs., Claims a false-positive rate of roughly 1 in 10,000 documents.

## Products & services

- **Pangram AI Detector** — Core web tool that classifies text as human- or AI-written, with segment-level analysis showing the percentage and location of AI-generated content.
- **Browser Extensions** — Chrome and Firefox extensions for on-demand scanning of web content and documents.
- **Detection API** — REST API for developers, educators and enterprises to integrate AI detection into their own products and high-volume moderation pipelines.
- **LMS Integrations** — Native integrations with learning platforms including Canvas, Google Classroom, Moodle and Brightspace.
- **Plagiarism Checker** — Combined AI-detection and plagiarism scanning for academic and publishing workflows.
- **Multilingual Detection** — AI-content detection across 25+ languages including Spanish, French, Chinese, Arabic, Japanese and Korean.

## Achievements

- Published a technical report and four independent, university-backed studies validating detection accuracy.
- Third-party benchmarks report over 38x lower error rates than leading commercial detectors across 10 text domains and 8 LLMs.
- Claims a false-positive rate of roughly 1 in 10,000 documents.
- Rebranded from Checkfor.ai to Pangram Labs and closed a combined ~$4M in pre-seed and seed funding.
- Detects content from the newest models including GPT-5, Claude, Gemini, Grok, DeepSeek and Llama in 25+ languages.

## Latest updates

- **2025-06** — Closed $2.7M+ additional seed funding led by ScOp, bringing total raised to roughly $4M.
- **2025-04** — Released a new AI writing detection model with improved accuracy across more languages and models.

## Links

- Website: https://www.pangram.com
- LinkedIn: http://www.linkedin.com/company/pangramlabs
- Twitter/X: https://twitter.com/pangramlabs
- Instagram: https://www.instagram.com/pangramlabs/

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Profile page: https://yespress.io/pangram-labs
Published by YesPress — https://yespress.io
Last updated: 2026-07-03