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GitHub Benchmarks Its Copilot Agentic Harness Across 20+ Models — Strong Results With Leading Token Efficiency
GitHub published an evaluation of its Copilot agentic harness measuring performance and efficiency across more than 20 models on multiple benchmarks, emphasizing token efficiency alongside raw capability. The data positions the harness layer — not just the underlying model — as a primary lever for cost and quality in coding agents. It's a useful reference for teams choosing between models within a single agent framework.
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