Claude Opus 5 Jumps from <5% to >30% on ARC-AGI 3 in Just Two Months

A user highlights the rapid progress: Claude Opus 4.8 scored under 5% on ARC-AGI 3 two months ago, while Opus 5 now exceeds 30%. Additionally, Opus 5 offers comparable intelligence to Fable 5 at 26% lower cost per task. The pace of improvement is staggering.

• benchmark
• Claude Opus 5
• ARC-AGI-3
• performance jump