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GitHub Blog
GitHub Blog
6/25/2026
Evaluating performance and efficiency of the GitHub Copilot agentic harness across models and tasks

Evaluating performance and efficiency of the GitHub Copilot agentic harness across models and tasks

Short summary

GitHub Copilot's agentic harness achieves strong benchmark performance and token efficiency while supporting flexible selection among 20+ models. The evaluation demonstrates how different models can be chosen based on specific task and efficiency requirements.

  • GitHub Copilot agentic harness shows strong performance across multiple benchmarks
  • Supports 20+ models with flexible selection for different tasks
  • Demonstrates leading token efficiency metrics

Generated with AI, which can make mistakes.

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