Anycubic Kobra S1 ACE 2 Pro Combo vs Prusa MK4S
Head-to-head 3D printer comparison, 2026
The Anycubic Kobra S1 ACE 2 Pro Combo and Prusa MK4S are both FDM 3D printers competing in different tiers, $499 vs $929. We scored both across value, beginner-friendliness, quality, speed, and reliability. Here's the full breakdown.
Our Verdict
The Anycubic Kobra S1 ACE 2 Pro Combo takes the crown with 8/10 vs 7.8/10. It pulls ahead in Value, Speed. The Prusa MK4S still puts up a fight in Beginner Friendliness and Print Quality and Reliability.
Score Breakdown
Specifications
| Spec | Anycubic Kobra S1 ACE 2 Pro Combo | Prusa MK4S |
|---|---|---|
| Price | $499 | $929 |
| Type | FDM | FDM |
| Build Volume | 250 x 250 x 250 mm | 250 x 210 x 220 mm |
| Print Speed | 600 mm/s | 200 mm/s |
| Min Resolution | 0.05 mm | 0.05 mm |
| Weight | 13 kg | 7 kg |
| Overall Score | 8/10 | 7.8/10 |
Pros & Cons
Anycubic Kobra S1 ACE 2 Pro Combo
+16 colors out of the box — doubles the 8-color S1 Combo and quadruples the Bambu A1 Combo (4)
+Fully enclosed CoreXY handles ABS, ASA, and engineering filaments without warping
+44dB quiet mode is unusually low for a 600mm/s CoreXY — apartment-friendly
+Upgraded hotend is rated for the full Anycubic filament range
+Early bird €459 undercuts the Bambu P2S (€549) and matches pricing of the older 8-color S1 Combo
−Brand new product — early adopter risk on firmware and ACE 2 Pro reliability
−Anycubic slicer still trails Bambu Studio on automation and profile polish
−ACE 2 Pro adds significant desk footprint
−Early bird pricing ends May 31 — regular price expected to climb
Prusa MK4S
+Prusa's QC is genuinely better than anyone else's: every printer is test-printed before shipping
+PrusaSlicer is open source and powerful, no subscription, no cloud required
+Customer support answers in hours, not weeks
+Spare parts available for 5+ year old models; no planned obsolescence
−200mm/s max is a third of what CoreXY machines do at half the price
−$929 for an open-frame bed-slinger is a hard sell in 2025
−Bambu's A1 Combo does more for $530 less
Who Should Buy Which?
Choose the Anycubic Kobra S1 ACE 2 Pro Combo if you want:
- A great printer for multi-color
- A great printer for speed
- A great printer for enclosed
- ACE 2 Pro multi-color system (up to 16 colors)
- Fully-enclosed CoreXY architecture
- Upgraded hotend (all-filament compatible)
Choose the Prusa MK4S if you want:
- A great printer for reliability
- A great printer for open-source
- Open source
- PrusaSlicer
- Nextruder
Frequently Asked Questions
Is the Anycubic Kobra S1 ACE 2 Pro Combo better than the Prusa MK4S?
By the numbers, the Anycubic Kobra S1 ACE 2 Pro Combo scores higher (8/10). But "better" depends on your use case, the Prusa MK4S may be the smarter buy if you need reliability.
Which is better for beginners, Anycubic Kobra S1 ACE 2 Pro Combo or Prusa MK4S?
The Prusa MK4S is more beginner-friendly (8/10 vs 7/10) with easier setup and a gentler learning curve.
Is the Prusa MK4S worth $430 more than the Anycubic Kobra S1 ACE 2 Pro Combo?
The Anycubic Kobra S1 ACE 2 Pro Combo actually scores higher (8/10) despite costing $430 less. The Prusa MK4S only makes sense if you specifically need reliability.
What's the main difference between Anycubic Kobra S1 ACE 2 Pro Combo and Prusa MK4S?
Build volume (250x250x250mm vs 250x210x220mm) and print speed (600 vs 200 mm/s). The Anycubic Kobra S1 ACE 2 Pro Combo is best for multi-color; the Prusa MK4S targets reliability.