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YZ Index

Model Incident Reports

Auto-detected: overall crash / dimension collapse / strict task zeroed · updated weekly

All 2026-W18 2026-W14 2026-W12
All Types Overall Score Drop Dimension Drop Strict Task Zeroed
10

GPT-4o Overall Score dropped 10.5 points

Overall Score Drop GPT-4o 2026-W14 03-30 05:00
10

GPT-4o Code Execution (v5) dropped 23.7 points

Dimension Drop GPT-4o 2026-W14 03-30 05:00

Winzheng — Incidents are auto-detected after each weekly evaluation