The AI Model That’s #1 on Every LeaderboardβAnd Completely Useless for Real Work
Opus 5 is #1 on the AI Intelligence Leaderboard, but practitioners report it’s ‘Haiku level’ in real debugging tasks. The AI industry is over-optimizing for vanity metrics at the expense of practical reliability. This article exposes the gap between benchmark rankings and real-world agentic performance, and argues that the #1 model is often the worst choice for actual work.