GPT-6 Astra Scores 99.9% on ARC-AGI-3: Model Leap or Harness Win?
OpenAI's GPT-6 Astra achieves 99.9% on the ARC-AGI-3 benchmark using its native Provider Adapter harness, demonstrating novel behaviors like inventing algebraic shorthand, surpassing human action efficiency, and writing its own tools, though the official standard harness yields 62.7%, raising questions about whether this constitutes AGI.
