Tutorials, deep dives and product notes — built for developers.
Interactive Terminal-Bench 2.1 leaderboard updated with Kimi K3 (88.3%) and Meta Muse Spark 1.1 (80.0%), plus an interactive score chart. Updated July 17, 2026.
Interactive SWE-bench Pro leaderboard updated with Muse Spark 1.1 at 61.5% and Kimi K3 listed transparently with no published Pro score. Updated July 17, 2026.
What SWE-bench Pro actually measures, how it works (1,865 tasks, 41 repos, 123 languages), why OpenAI abandoned SWE-bench Verified, the DeepSWE audit that found 32% verifier errors, and how to use coding benchmarks correctly. The definitive explainer.