Coding Agents Have Converged: Why the SWE-bench Leaderboard Can No Longer Order Its Top Entries, and What to Measure Instead
This is essential reading if you care about coding-agent benchmarks or are building one. The finding that the top thirty systems are statistically indistinguishable on Verified split demolishes the leaderboard's ranking function. The implication: published leaderboards are theater until they redesign. Builders should focus on specific failure modes, not ordinal score chasing.