OPENAI'S GPT-6 ASTRA ON ARC-AGI-3

Summary from the TLDR AI newsletter

GPT-6 Astra scored 62.7% on ARC-AGI-3 Semi-Private with the standard harness and 99.9% with a provider adapter harness, using fewer actions than the median human on 96% of levels. It turned unfamiliar environments into compact symbolic world models, representing game mechanics as logical rules and inventing its own shorthand to track state and plan.