IKEA Assembly Benchmark: Top Model Score Jumped From 28% to 80% in 10 Months

emollick · x · 2026-09-24

Epoch AI released the Furniture Assembly Benchmark (FAB): models get the manual and a photo of a half-completed piece of IKEA furniture and must spot the assembly mistake.

The result is a striking measure of how fast multimodal AI has improved — the top score jumped from 28% to 80% in just 10 months. Ethan Mollick calls it both fun and a useful gauge of recent multimodal progress.

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