Michael Thiessen shares a practical method to benchmark coding agents on your codebase

MichaelThiessen · x · 2026-10-18

Responding to "what do evals on a codebase even mean", Michael Thiessen outlines a concrete method: have your agent run several tasks (adding tests, refactoring, etc.), compare the codebase before and after splitting files into smaller modules, then track success rate, time and token usage — and inspect traces to see whether agents navigate the code more efficiently or get more confused.

Related event: Matt Pocock: repo evaluation is observability, not evals(3 posts)→

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