🖨 3D Printer Radar

Anycubic Kobra S1vsElegoo Neptune 4 Pro

Cross-ecosystem comparison: These printers use different software ecosystems. Accessories, filament profiles, and community support are not interchangeable between brands. Consider the total ecosystem cost, not just the printer price.
Anycubic Kobra S1
Buy/Wait:Caution

First-generation product — no release history to base predictions on

Best for: Makers who want an enclosed CoreXY at a prosumer price for PLA, PETG, ABS, and ASA — and prefer the Anycubic ecosystem. For reliable PA or PC printing, consider the Kobra S1 Max or Qidi Q2 which offer active chamber heating.

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Elegoo Neptune 4 Pro
Buy/Wait:Wait

Overdue for a refresh — no successor announced yet. Prices should be at their lowest

Best for: Budget-conscious makers who want a capable CoreXY with Klipper firmware for customization — without Bambu's closed ecosystem or Prusa's premium pricing.

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Anycubic Kobra S1Elegoo Neptune 4 Pro
TierProsumerProsumer
MotionCoreXYCoreXY
Build Volume250 × 250 × 250 mm225 × 225 × 265 mm
Max Speed600 mm/s500 mm/s
Multicolor❌ No❌ No
Enclosure
Auto Calibration
Open Source
Upgrade Kit
MaterialsPLA, PETG, ABS, ASA, TPU, PAPLA, PETG, ABS, ASA, TPU
ReleasedFeb 11, 2025Jul 15, 2023
Cycle length~450 days
Cycle adviceCautionWait
Deals adviceCautionBuy
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Why buy each?

Anycubic Kobra S1

Enclosed CoreXY at 600 mm/s

The Kobra S1 combines an enclosed build chamber with 600 mm/s CoreXY motion — offering improved heat retention over open-frame printers for ABS and ASA.

Anycubic ecosystem at prosumer price

Brings Anycubic's value-focused approach to the enclosed CoreXY segment — competing with Qidi Q2C and Bambu P2S at a lower price point.

250×250×250 mm build volume

A practical cubic build volume well-suited for functional mechanical parts, enclosures, and prototypes.

Elegoo Neptune 4 Pro

Klipper firmware out of the box

The Neptune 4 Pro ships with Klipper pre-installed — enabling advanced input shaping, pressure advance, and configuration flexibility without modding.

500 mm/s at budget pricing

Competitive CoreXY speed at a price significantly below Bambu and Prusa alternatives.

Auto calibration

Full automatic bed leveling reduces setup time and calibration friction.