Epoch AI
@EpochAIResearch
The Epoch Capabilities Index (ECI) frontier has advanced by 14 points/year since reasoning models were introduced. That compares to six points/year in the non-reasoning era.
Epoch's data insight (using ECI data accessed on 1 September 2026) updates the acceleration finding from its April 2026 report "Have AI Capabilities Accelerated?". Details on uncertainty and the trend-break methodology are in the linked Data Insight and report.