Task completion
Did the app complete the same requested study task?
We use the same permitted materials and task instructions, then separate sourced facts from reproducible test observations.
Did the app complete the same requested study task?
Can important claims be traced to the supplied material?
Do links identify the correct source page or passage?
Are notation, units and transformations preserved?
Are questions answerable, distinct and supported?
Are formats, gates and free limits recorded with evidence?
Owner-created, public-domain, permissively licensed or explicitly permitted materials only.
Signup, card requirement, task limits, file limits, export gates and reset timing require dated evidence.
Marketing copy is not treated as independent test evidence.
Commercial relationships never change the test result or editorial placement.
Corrections retain the source, reason, reviewer and change date.
Report a correctionThe public revision log remains empty until a benchmark release is approved.