Coding agent refactors 300K lines of C in three weeks for about $4,000
09/30/2026 — 10/03, 02:12·1 sources·1 reports
A case study from CodeScene reports that a coding agent refactored 300,000 lines of C code in three weeks for roughly $4,000 in tokens, with results verified by a frame-by-frame replay checker. The agent built a reusable playbook for the codebase, but practitioners question the task scope, the metrics used, and how much the outcome depends on the verification tool.
Latest turnCodeScene published a case study in which coding agents refactored 300,000 lines of C in three weeks for roughly $4,000 in tokens, with results verified by a frame-by-frame replay harness. The agents built a playbook of codebase-specific recipes along the way, but practitioners question the scope, the metric and how much the outcome depended on the harness.
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CodeScene published a case study in which coding agents refactored 300,000 lines of C in three weeks for roughly $4,000 in tokens, with results verified by a frame-by-frame replay harness. The agents built a playbook of codebase-specific recipes along the way, but practitioners question the scope, the metric and how much the outcome depended on the harness.
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