I want to compare five mid-range noise-cancelling headphonesComputers Electronics and Technology
How each model performed on this task. Every chart states its N, and the reward carries a 95% confidence interval once there is more than one run to measure.
Core metrics
Check Pass %
Mean share of the task's checks passing, averaged over runs. N = 1 run per model.
100%
Claude Opus 5.5
29%
GPT-6 sol
29%
GPT-5.6 sol
14%
Claude Opus 5
Extended metrics
Median Time
Wall-clock minutes, median across runs. N = 1 run per model.
21m
Claude Opus 5
10m
GPT-5.6 sol
Tool Calls
Tool invocations, median across runs — counted from the trajectories. N = 1 run per model.
119
Claude Opus 5
68
Claude Opus 5.5
45
GPT-6 sol
21
GPT-5.6 sol
Verifier × model pass rate
How often each verifier passed, per model. Green is passing, red is failing — a red band across a row is a verifier nothing clears.
| Verifier | Claude Opus 5.5n=1 | GPT-6 soln=1 | GPT-5.6 soln=1 | Claude Opus 5n=1 |
|---|---|---|---|---|
| checks (7) | ||||
| 100% | 0% | 0% | 0% | |
How to passDefine the comparison scope before selecting products. Limit the shortlist to five comparable over-ear wireless ANC headphones in the agreed mid-range price band. Evaluate ANC effectiveness, battery life, comfort for multi-hour study sessions, microphone/call quality, device and codec compatibility, weight, warranty/support, and current price. Define the evidence standard for each criterion and distinguish manufacturer claims from independent measurements or reviewer observations. | ||||
| 100% | 100% | 100% | 100% | |
How to passSelect exactly five current over-ear wireless ANC models that fall within the predefined mid-range price band and are broadly comparable in intended use. Exclude earbuds, gaming headsets and premium flagship models unless they fall clearly within the agreed price band. Record model generation and exact variant so older and newer versions are not mixed. | ||||
| 100% | 0% | 0% | 0% | |
How to passOpen the official manufacturer page for each model and record exact battery claims, ANC modes/features, microphone configuration/features where published, Bluetooth version/codecs, wired connectivity, supported operating systems/devices, weight, warranty duration/terms, and official/listed price. Record the exact URL and access date. Clearly label manufacturer-stated performance as “claimed” rather than independently verified. | ||||
| 100% | 100% | 100% | 0% | |
How to passUse at least two reputable independent review/testing sources covering the five models where possible. Record observations or measurements for ANC, comfort during extended use, microphone/call quality and real-world battery life. Prefer reviews that explain their testing methodology. Do not convert subjective reviewer impressions into objective facts, and flag areas where reviewers disagree. | ||||
| 100% | 0% | 0% | 0% | |
How to passEstablish the comparison currency and market before research begins. Record the current manufacturer price and, where applicable, one authorized-retailer price for each model, including sale/discount status. Record the date checked and exact product/variant. Do not treat third-party marketplace prices as equivalent to official or authorized-retailer pricing. | ||||
| 100% | 0% | 0% | 0% | |
How to passScore and rank all five models using the predefined criteria. Recommend the best overall model for university study, while identifying the strongest alternative for different priorities such as maximum ANC, comfort, microphone/calls, battery life, or value. Explain the recommendation using the recorded evidence rather than brand reputation or popularity. | ||||
| 100% | 0% | 0% | 0% | |
How to passCreate a comparison table containing, for every model: price, manufacturer battery claim, independent battery result, ANC assessment, microphone assessment, comfort assessment, weight, compatibility, warranty, official source URLs, independent-review URLs, and verification dates. Separate manufacturer claims from independent findings. | ||||
Failure modes on this task
16 tagged verifier failures, by the stage they were assigned to. Higher is worse.
| Failure stage | Claude Opus 5.5 | GPT-6 sol | GPT-5.6 sol | Claude Opus 5 |
|---|---|---|---|---|
| Delivering the result1 mode | — | 3 | 2 | 4 |
| Standing up the evidence1 mode | — | 1 | — | 2 |
| No signal in the judge’s words1 mode · the grader | — | 1 | 3 | — |