coil2000-imbalance-metric

Task gallery / Machine learning / Version 1

Reference solution (oracle): Pass
No-op resistance check: Pass
QA verdict: Not recorded
Aggregate eligibility: Eligible version

The task

A direct-marketing team at an insurer wants to find the customers most likely to take out a caravan, or mobile-home, insurance policy so it can target a mailing instead of contacting the whole book. The team cannot afford to contact everyone, and a campaign that reaches almost no actual buyers is a failure, so what matters is correctly ranking customers by how likely they are to buy and being honest, at the populati…

Excerpt only; not a complete executable task specification. Task ID task_fae2e8c033894147 · version 1. Selection status: not fully recorded.

Results by model and effort

This exact task version only. Every rate is passes / valid runs with a Wilson 95% interval; n≤2 remains counts only. Macro aggregation does not apply within a single task. Baselines are summarized in the quality gates, not ranked. A passed no-op resistance check means that doing nothing did not solve the task.

Current evidence

Model / effort	Verifier result [95% Wilson]	Diagnostic labels / valid	HARNESS_ERROR · excluded	Outcome classes
Claude Opus 5 · default (unverified)	2/2	2 / 2	0	GOOD_FAILURE: 0 BAD_FAILURE: 0 GOOD_SUCCESS: 2 BAD_SUCCESS: 0

Legacy evidence

Model / effort	Verifier result [95% Wilson]	Diagnostic labels / valid	HARNESS_ERROR · excluded	Outcome classes

Every recorded run

4 recorded trials, including controls. Diagnostic labels do not replace verifier reward. Labels and quality checks are source declarations, not independently attested here. Internal evidence remains private; a missing public URL is shown explicitly. Records with invalid or absent rewards are not scored.

Run / model	Date / source	Reward / eligibility	Diagnostic class / source	Resources	Evidence
`trial_aad85ed650684d26` nop@@	Oct 12, 2026 console	0 · valid	GOOD_FAILURE frozen-classifier	Tokens: — Turns: — Cost: —	Not publicly available
`trial_c82694c9ebe04491` oracle@@	Oct 12, 2026 console	1 · valid	GOOD_SUCCESS frozen-classifier	Tokens: — Turns: — Cost: —	Not publicly available
`trial_72ef6b28d4b9431e` Claude Opus 5 · default (unverified)	Oct 12, 2026 console	1 · valid	GOOD_SUCCESS frozen-classifier	Tokens: 13,916 Turns: 10 Cost: $0.7404	Not publicly available
`trial_759463f84d8847fd` Claude Opus 5 · default (unverified)	Oct 12, 2026 console	1 · valid	GOOD_SUCCESS frozen-classifier	Tokens: 25,464 Turns: 26 Cost: $1.6571	Not publicly available