51.7%
▲ 49.6 pts since Jan 2020
share of new online articles that were AI-generated in May 2025, per Graphite (peak: 55.1% in Jan 2025)
20202025

What the chart shows

Graphite, an SEO company, classified a sample of newly published online articles as AI-generated or human-written. The AI-generated share rose from about 2% in January 2020 to more than 50% in November 2024.

It stayed above half in 6 of the 7 months from November 2024 to May 2025, peaking at 55.1% in January 2025 and dipping to 47.3% in April. In May 2025 it stood at 51.7%.

Key numbers

MeasureValue
AI-generated, May 202551.7%
AI-generated, Jan 2025 (peak)55.1%
AI-generated, Apr 202547.3%
AI-generated, Jan 20202.2%

How to read it

  • Graphite’s classification relies on an AI-content detector, which can misclassify some articles.
  • The data covers newly published articles in Graphite’s sample, not all content on the web.
Source: Graphite.io, 2025, via the AI Index Report 2026 (Stanford HAI), figure 1.1.17: AI-generated content vs. human content. Chart and text by AI Adoption.
Numbers checked against the published data on 19 October 2026.
Download the data (CSV) · Cite this chart