Model Drift Observatory
Composite drift score over time by model
draft view / illustrative data
Model drift scores over time
A line chart showing illustrative composite drift z-scores for GPT flagship, Claude Sonnet, Gemini Pro, and DeepSeek control from launch through day 180.
+2z
+1z
0
-1z
-2z
Launch
Day 45
Day 90
Day 135
Day 180
GPT flagship
Claude Sonnet
Gemini Pro
DeepSeek control
GPT flagship
Claude Sonnet
Gemini Pro
DeepSeek control