OpenAI's GPT-6 Astra can now tell you exactly where you screwed up your IKEA shelf
OpenAI's GPT-6 Astra scores 80% on Epoch AI's furniture-assembly benchmark, up from 28% ten months earlier.
Epoch AI's Furniture Assembly Benchmark photographs three IKEA pieces mid-assembly with deliberate errors and asks models to compare photos with instructions and describe mistakes. In November 2025 the best score was 28% from Claude Opus 4.5. Ten months later OpenAI's GPT-6 Astra reached 80% at about three minutes per photo, ahead of Claude Fable 5.1 at 70% and Claude Opus 5 at 61%. Researchers say it is still too slow for live assembly help, and Chinese open-weight models such as Kimi K3 trail the leaders by at least seven months.
- Epoch AI's FAB benchmark uses photos of three IKEA pieces with deliberate assembly errors.
- GPT-6 Astra scored 80%, versus Claude Opus 4.5's 28% in November 2025.
- Claude Fable 5.1 scored 70% and Claude Opus 5 scored 61%.
- Astra needs about three minutes per photo, too slow for real-time help.
- Chinese open-weight models such as Kimi K3 trail leaders by at least seven months.
Full article205 words · extracted from the-decoder.com · click to collapse
Sep 26, 2026
AI can now spot when you've built your IKEA furniture wrong. Epoch AI's Furniture Assembly Benchmark (FAB) photographs three IKEA pieces during assembly with deliberate errors. Models compare photos against instructions, identify mistakes, and describe what went wrong. In November 2025, the best model (Claude Opus 4.5) scored 28%. Ten months later, OpenAI's GPT-6 Astra hits 80% at three minutes per photo. Claude Fable 5.1 follows at 70%, Claude Opus 5 at 61%. Chinese open-weight models like Kimi K3 trail leaders by at least seven months.
It's still too slow for real-time assembly help, but the tech could eventually assist with car repairs or appliance fixes, the researchers say. The overall progress, and especially Astra's, is notable given that models were failing far simpler visual tasks not long ago. Astra also excels at visual robotic tasks.
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