GitHub Copilot vs Windsurf: Benchmark Comparison

Independent benchmark data · Real published scores only
📊 SWE-bench Verified
GitHub Copilot
GitHub / Microsoft
64.7
Trust Score V2
95% CI: 61.2 – 68.2
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🏆 Higher Score
Windsurf
Codeium / OpenAI
71.6
Trust Score V2
95% CI: 68.1 – 75.0
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Score Comparison
GitHub Copilot
Windsurf
Trust Score
64.7
71.6
Functional Acc.
46.3
75.2
Reliability
71.8
67.4
Policy Compliance
95.8
92.8
Key Metrics
Metric GitHub Copilot Windsurf
Trust Score V2 64.7 71.6
Functional Accuracy 46.3 75.2
Reliability Score 71.8 67.4
Policy Compliance 95.8 92.8
SWE-bench Pass@1 0.5% 0.8%
Benchmark SWE-bench Verified SWE-bench Verified
Last Evaluated Mar 17, 2026 Mar 17, 2026
Model Base GPT-4o + Custom SWE-1

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