Anycubic Kobra S1 Combo vs Elegoo Neptune 4 Plus
Head-to-head 3D printer comparison, 2026
The Anycubic Kobra S1 Combo and Elegoo Neptune 4 Plus are both FDM 3D printers competing in different tiers, $499 vs $299. Both are scored across value, beginner-friendliness, quality, speed, and reliability. Here's the full breakdown.
Our Verdict
The Elegoo Neptune 4 Plus takes the crown with 8.4/10 vs 8.2/10. It pulls ahead in Value. The Anycubic Kobra S1 Combo still puts up a fight in Speed.
Score Breakdown
Specifications
| Spec | Anycubic Kobra S1 Combo | Elegoo Neptune 4 Plus |
|---|---|---|
| Price | $499 | $299 |
| Type | FDM | FDM |
| Build Volume | 250 x 250 x 260 mm | 320 x 320 x 385 mm |
| Print Speed | 600 mm/s | 500 mm/s |
| Min Resolution | 0.05 mm | 0.05 mm |
| Weight | 12.5 kg | 12.5 kg |
| Overall Score | 8.2/10 | 8.4/10 |
Pros & Cons
Anycubic Kobra S1 Combo
+8 colors out of the box, double what the Bambu A1 Combo offers
+CoreXY speed at a competitive price point
+ACE Pro 2 wastes less filament on color swaps than its predecessor
+Paint-on multi-color tools in the Anycubic slicer are genuinely good
−Anycubic's software is solid but still behind Bambu Studio
−Community is smaller than Bambu or Creality
−No enclosure
−ACE Pro 2 takes up a lot of desk space
Elegoo Neptune 4 Plus
+320×320×385mm at $299 — the largest build volume at this price point
+Stock Klipper means real input shaping, pressure advance, and Moonraker API access
+Direct-drive handles TPU and flexible filaments without clog risk
+Mainsail interface enables remote monitoring and print farm integration
+Dual Z-axis prevents gantry sag on tall prints
−Open-frame limits material compatibility — ABS/ASA require an enclosure
−500mm/s achievable but optimal quality typically at 200-300mm/s
−Large bed means longer homing and leveling cycles
−Elegoo's support and community is smaller than Creality's
Who Should Buy Which?
Choose the Anycubic Kobra S1 Combo if you want:
- A great printer for multi-color
- A great printer for speed
- A great printer for beginners
- 8-color ACE Pro 2 multi-color system
- CoreXY architecture
- Auto bed leveling
Choose the Elegoo Neptune 4 Plus if you want:
- A great printer for large-format
- A great printer for value
- A great printer for beginner
- A great printer for speed
- Stock Klipper firmware with Mainsail web interface
- 320×320×385mm XL build volume
- 500mm/s max print speed with input shaping
Frequently Asked Questions
Is the Anycubic Kobra S1 Combo better than the Elegoo Neptune 4 Plus?
By the numbers, the Elegoo Neptune 4 Plus scores higher (8.4/10). But "better" depends on your use case, the Anycubic Kobra S1 Combo may be the smarter buy if you need multi-color.
Which is better for beginners, Anycubic Kobra S1 Combo or Elegoo Neptune 4 Plus?
Both score 8/10 for beginners. Go with the Elegoo Neptune 4 Plus to save $200.
Is the Anycubic Kobra S1 Combo worth $200 more than the Elegoo Neptune 4 Plus?
The Elegoo Neptune 4 Plus actually scores higher (8.4/10) despite costing $200 less. The Anycubic Kobra S1 Combo only makes sense if you specifically need multi-color.
What's the main difference between Anycubic Kobra S1 Combo and Elegoo Neptune 4 Plus?
Build volume (250x250x260mm vs 320x320x385mm) and print speed (600 vs 500 mm/s). The Anycubic Kobra S1 Combo is best for multi-color; the Elegoo Neptune 4 Plus targets large-format.