Key Info

OpenRouter reports that the median cache rate in agentic traffic across providers climbed from 44% in January 2026 to 85% in September 2026, meaning more cached context and lower costs for agentic workloads.

Highlights

  • Median cache rate in agentic traffic across providers: 44% in January 2026
  • Same metric rose to 85% by September 2026
  • Higher cache rates translate into lower inference costs for agentic applications
  • Deeper analysis published in OpenRouter's Inferred data newsletter