Same task, 40 headless runs — cost vs quality

Token cost vs blind factual-coverage score. Toggle the filters to compare harnesses and conditions.

Harness Copilot CLI Claude CLI

Condition BARE TRIM

Dashed lines mark each harness's mean cost (vertical) and mean quality (horizontal); they update as you filter.

BARE = no memory file. TRIM = a short CLAUDE.md file included in the project.