K3 fans don't hate me, this is unfortunately the result.
I ran the same prompt that I used with Fable 5 and Opus 5 (altering it just to say "Kimi K3 Did This" on the screen) and the same custom frontend-blender skill I created, and asked Kimi K3 to attempt the test at creating a Mac. This took Kimi K3 about 59 minutes, Opus 5 about 52 minutes and Fable 5 about 37 minutes.
The Opus 5 result is located at:
https://www.reddit.com/r/accelerate/comments/1v873kl/opus_5_blender_make_a_mac/
The Fable 5 result, prompt and skill are located here:
https://www.reddit.com/r/accelerate/comments/1uwrj86/fable_5_blender_make_a_mac/
Some notes: I like K3 it is great at coding, but oof it definitely had trouble with 3D spatial reasoning. I decided I'm not going to fanboi this and posted what each model accomplished verbatim, scars and all. Opus 5 had opted for a more modern black Mac M5 than Fable or K3. Fable skipped making a logo on the back as did K3, while Opus 5 made a mangled version of the logo on the back. Also, Opus 5 printed letters on the keys and Fable and K3 didn't. K3 spent less effort on materials and lighting, struggled placing the trackpad causing it to intersect with the keys, struggled attaching the monitor hinge and animated it wrong. K3 chose EEVEE instead of Cycles, even though the prompt guided Cycles.