ARTFEED — Contemporary Art Intelligence

AI detection startup Pangram raises $9M to combat AI slop

ai-technology · 2026-07-29

Pangram, an AI detection startup based in New York, has secured $9 million in funding, spearheaded by Menlo Ventures, with contributions from Haystack, ScOp, Script Capital, and Cadenza. The company has unveiled Pangram 4, an AI text detection model boasting over 99% accuracy in recognizing AI-generated and mixed content, alongside the research preview of Pangram Image. Established two years ago by Max Spero and Bradley Emi, Pangram focuses on tackling AI-generated content, particularly in disinformation efforts. Its detection system is powered by a large machine learning model trained on millions of human-generated documents. Pangram provides a subscription service at $20 per month, a Chrome extension, and an API, with Substack utilizing its technology. Competitors include Winston AI and GPTZero, though testing has yielded varied accuracy results.

Key facts

  • Pangram raised $9 million led by Menlo Ventures with Haystack, ScOp, Script Capital, and Cadenza.
  • Launched Pangram 4 text detection model with over 99% accuracy.
  • Launched Pangram Image detection model in research preview.
  • Founded by Max Spero and Bradley Emi, Stanford AI and ML grads, about two years ago.
  • Detection system trained on tens of millions of human documents with synthetic mirrors.
  • Substack integrated Pangram's technology to show AI usage by authors.
  • Competitors include Winston AI, Originality.ai, Copyleaks, and GPTZero.
  • Pangram's Chrome extension labels posts on X, LinkedIn, Substack, Reddit, and Medium.

Entities

Institutions

  • Pangram
  • Menlo Ventures
  • Haystack
  • ScOp
  • Script Capital
  • Cadenza
  • Stanford
  • TechCrunch
  • Substack
  • Quora
  • Winston AI
  • Originality.ai
  • Copyleaks
  • GPTZero
  • OpenAI
  • Google DeepMind
  • arXiv

Locations

  • New York
  • United States

Sources