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I Benchmarked 5 AI Coding Agents on the Same Real Bug. Results Surprised Me

A real-world debugging benchmark testing Claude Code, Cursor Composer, Devin Desktop, Windsurf, and Copilot on a complex async race condition bug in 2026.

Sachin Sharma
Sachin SharmaCreator
Aug 1, 2026
4 min read
I Benchmarked 5 AI Coding Agents on the Same Real Bug. Results Surprised Me
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A real-world debugging benchmark testing Claude Code, Cursor Composer, Devin Desktop, Windsurf, and Copilot on a complex async race condition bug in 2026.

BenchmarkingAI Coding AgentsClaude CodeCursorDevinDebuggingAsync Bug
Sachin Sharma

Sachin Sharma

Software Developer & Mobile Engineer

Building digital experiences at the intersection of design and code. Sharing weekly insights on engineering, productivity, and the future of tech.

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