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.
Full details →First-generation product — no release history to base predictions on
Best for: Engineers and professional makers who need large-format enclosed printing with active chamber heating — and want Prusa's open-source ethos and long-term support over a closed-ecosystem competitor.
Full details →| Elegoo Neptune 4 Pro | Prusa Research CORE One L | |
|---|---|---|
| Tier | Prosumer | Professional |
| Motion | CoreXY | CoreXY |
| Build Volume | 225 × 225 × 265 mm | 300 × 300 × 330 mm |
| Max Speed | 500 mm/s | 500 mm/s |
| Multicolor | ❌ No | ❌ No |
| Enclosure | ❌ | ✅ |
| Auto Calibration | ✅ | ✅ |
| Open Source | ❌ | ✅ |
| Upgrade Kit | — | — |
| Materials | PLA, PETG, ABS, ASA, TPU | PLA, PETG, ABS, ASA, TPU, PA, PA-CF, PC |
| Released | Jul 15, 2023 | Jan 1, 2025 |
| Cycle length | ~450 days | — |
| Cycle advice | Wait | Caution |
| Deals advice | Buy | Caution |
| Next model | — | — |
The Neptune 4 Pro ships with Klipper pre-installed — enabling advanced input shaping, pressure advance, and configuration flexibility without modding.
Competitive CoreXY speed at a price significantly below Bambu and Prusa alternatives.
Full automatic bed leveling reduces setup time and calibration friction.
A large enclosed build volume with genuine active chamber heating — making the CORE One L reliable for ABS, ASA, PA, and PC across the full build plate.
All firmware, hardware designs, and slicing profiles are open source. Prusa backs the CORE One L with long-term parts availability and community support.
For institutional, government, and production customers, a dedicated Critical Infrastructure Edition is offered — Prusa's commitment to secure supply for professional users.