LM Council Benchmarks: The Independent LLM Leaderboard Developers Should Trust
Claude Opus 4.6 resolves 80.8% of real GitHub issues on SWE-bench Verified while GPT-5.5 leads Terminal-Bench 2.0 at 82.7% — numbers that mean something precisely because they come from independent evaluation pipelines, not vendor press releases. Choosing an LLM in 2026 without understanding how these benchmarks work is like buying a server based solely on manufacturer marketing sheets. This guide covers the LM Council evaluation framework, the top independent leaderboards developers actually rely on, and how to read benchmark results without getting misled. ...