Three enclosed CoreXY machines, three very different priorities. Here is how the Bambu P1S, Creality K2 Plus, and QIDI Plus4 actually stack up.
Three enclosed machines, three different bets
The enclosed CoreXY class has become the default for anyone who wants to print ABS, ASA, or nylon without building a tent around an open-frame machine. Three names come up most in 2026: the Bambu Lab P1S, the Creality K2 Plus, and the QIDI Plus4. They look similar on a shelf but they are built for different buyers.
| Spec | Bambu Lab P1S | Creality K2 Plus | QIDI Plus4 |
|---|---|---|---|
| Build volume | 256 x 256 x 256 mm | 350 x 350 x 350 mm | ~305 x 305 x 305 mm |
| Max speed | 500 mm/s | 600 mm/s | 600 mm/s |
| Nozzle temp | 300°C | 350°C | 350°C (370°C hi-temp) |
| Bed temp | 100°C | 120°C | 120°C |
| Heated chamber | None (passive) | 60°C active | 65°C active |
| Multicolor | AMS, up to 16 | CFS, up to 16 | No native (Box add-on) |
| Power draw | 350W | 1200W | ~1000W |
| Price | ~$949 ($1,199 combo) | ~$1,499 | ~$999 |
Bambu Lab P1S: the easy button
The P1S is the smallest of the three at 256 by 256 by 256 mm, but it is the one most people should buy. Setup is fast, the AMS multicolor system is mature, and at 350 watts it sips power next to the others. You give up build volume and a heated chamber, and the nozzle tops out at 300°C. For PLA, PETG, and the occasional ABS print, that is a fair trade.
Creality K2 Plus: the big, hot one
The K2 Plus is the volume king at 350 mm per side, with a 350°C nozzle, a 120°C bed, and an actively heated 60°C chamber. It pulls 1,200 watts doing it. The CFS multicolor system handles up to 16 colors. If you print large parts or high-temp engineering materials, this is the machine that will not tell you no.
QIDI Plus4: the workshop tool
The Plus4 splits the difference on size at roughly 305 mm per side and pushes chamber heat to 65°C with a 350°C nozzle (or 370°C with the high-temp hotend). It runs Klipper and is aimed at people who want to tinker. Native multicolor is not there at launch, though QIDI's Box add-on is in development. At around $999 it undercuts the K2 Plus while beating the P1S on chamber control.
Which one should you buy
Pick the P1S if you want a printer that just works and you mostly print common materials. Pick the K2 Plus if size and high-temp capability matter more than the power bill. Pick the Plus4 if you want chamber heat and Klipper freedom at a lower price and can live without built-in multicolor for now.
None of these is wrong. They are just aimed at different workshops.
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