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Across the Sigmabench dataset, coding agent performance varies widely between similar codebases. These differences emerge from the unique characteristics of each codebase — shaped over time by the humans who built it — and cannot be reliably inferred from large-scale features like programming language, problem domain, or codebase size. This makes common decisions hard to answer with confidence: Sigmabench lets you run the same benchmark used for the public leaderboard on your own codebase, so you can answer these questions with data — measuring accuracy, consistency, and speed in your real-world development environment. Benchmarks are read-only and SOC 2-compliant.