24 August 2026

Open-source AI model usage share doubles in one year

First reported

Exponential View ran this on .

  • Open-weight models, which anyone can download and run, now account for nearly half of all AI inference tokens used, up from about a quarter a year ago.
  • Closed-weight models, available only through companies like OpenAI, still dominate in absolute volume, with token usage growing seven times over the same period.

How it was covered