Claude Opus 5 Demonstrates Novel Reasoning in ARC-AGI-3

ARC Prize officials observed a novel algebraic reasoning capability in Claude Opus 5, with the model scoring 30.2% on the previously unconquered ARC-AGI-3 Public Demo.

2026-07-25 ~ 2026-07-25 · 2 related posts

• ARC Prize says Claude Opus 5 reaches 30.2% on ARC-AGI-3 public demos — inductionheads · 2026-07-25
• Claude Opus 5 Exhibits Unprecedented Algebraic Reasoning on ARC-AGI-3 — typewriters · 2026-07-25