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Astra's 99.9% vs 62.7% ARC-AGI-3 scores come down to scaffolding

The same model on the same test scored 99.9% and 62.7% depending on the scaffolding around it, and ARC Prize says it is not claiming AGI.

TNW
@thenextwebArchived 2026.09.14Originally posted 2026.09.08
Astra's 99.9% vs 62.7% ARC-AGI-3 scores come down to scaffolding
TNW @thenextwebOriginally posted 2026.09.08
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OpenAI published 99.9%. The benchmark's own software returned 62.7%. Same model, same test, different scaffolding around it. ARC Prize printed both numbers and says it is not claiming AGI. https://thenextweb.com/news/openai-astra-arc-agi-3-harness-62-7-vs-99-9-benchmark-revisions

x.com/thenextweb/status/2097074513485680716Archived 2026.09.14 15:56