Kimi says K3.1 Pro matches the strongest closed models. So we put it up against Opus 5.5.
Same job for both: read the CPR guidelines in ego (lite), build a lesson, then take it themselves.
Kimi K3.1 Pro: 22 min, $0.59
Claude Opus 5.5: 15 min, $4.03
Watch and pick a winner.