← All models Kimi K3 editing test Moonshot AI · Tested Oct 28, 2026 · 58s · $0.29
Four checks All in one 75/90 caught
Grammar & spelling 42/45 Repetitions 9/15 Redundancy 12/15 Consistency 12/15 91 comments · 9 extra flags
Kimi K3 caught 75 of 90 planted mistakes, tied 8th of 16 models tested. It was strongest on grammar and spelling (42 of 45) and missed most on repeated words (9 of 15). The 4 checks took 58s and cost $0.29; asked for all of them in one prompt, it caught 59.
Every comment Kimi K3 left on our 6,000-word test story, where it left it. Click a missed mistake to find it in the text. The checks come from icanwrite , a markdown editor for writers.
Missed · 15
who, not whom: subject of 'was' “whom she guessed was the owner” any other shop: the bakery is on Wharf Street “longer than any shop on Wharf Street” Fragment: the survey has no verb “The survey from twelve years ago, which an engineer from the county” Close: silence … silent “The silence in the workshop” Distinctive, chapters apart: gleaming “a gleaming pair of shoes” Distinctive, chapters apart: sodden “carrying sodden leaves” Distinctive, chapters apart: brittle “a short, brittle sound” Distinctive, chapters apart: stubbornly “which stuck stubbornly” Close: remembered … memory “her hands remembered” one shrugs with the shoulders “shrugged his shoulders” planning is in advance “no advance planning” began is first “the week we first began” Tomas beside him: two decades, then thirty years “for most of two decades” The bakery: two doors down, then a ten-minute walk “BAKERY TWO DOORS DOWN” Nora's home: Chicago, then Boston “the firm in Chicago”