OptiSiftOptiSift

The Frontier Index

The mean OptiSift Score of the top models cohort, tracked over time. One number for "is the frontier moving forward right now."

Current index

50.0

All-time high
Sep 8, 2026Sep 11, 2026

Index history builds as models scores change — this chart will get richer over time. Read the methodology →

Today's top models cohort

The 5 highest-scored models behind today's index reading.

#NameOptiSift Score
1DeepSeek V4 Flash
62.8
2Claude Opus 4.8
49.7
3GPT-5.5
46.5
4DeepSeek V4 Pro
45.9
5Gemini 3.1 Pro Preview
45.1