Copilot’s agentic harness slashes tokens while boosting benchmark scores across 20+ models
GitHub Copilot’s new agentic harness outperforms native model harnesses on benchmarks like SWE-bench and TerminalBench, delivering up to 30% better token efficiency. The results hold across 20+ LLMs, meaning faster, cheaper AI‑assisted coding for any Copilot surface, from the CLI to code review.