Overdue for a refresh — no successor announced yet. Prices should be at their lowest
Best for: Makers who need an enclosed printer for ABS, ASA, PA, and PC at prosumer price — now available at clearance pricing after P2S launch.
Full details →Late in cycle — a new model is likely coming soon
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 →| Bambu Lab P1S | Elegoo Neptune 4 Pro | |
|---|---|---|
| Tier | Prosumer | Prosumer |
| Motion | CoreXY | CoreXY |
| Build Volume | 256 × 256 × 256 mm | 225 × 225 × 265 mm |
| Max Speed | 500 mm/s | 500 mm/s |
| Multicolor | ✅ 4 slots | ❌ No |
| Enclosure | ✅ | ❌ |
| Auto Calibration | ✅ | ✅ |
| Open Source | ❌ | ❌ |
| Upgrade Kit | — | — |
| Materials | PLA, PETG, ABS, ASA, TPU, PA, PA-CF, PC | PLA, PETG, ABS, ASA, TPU |
| Released | Jul 5, 2023 | Jul 15, 2023 |
| Cycle length | ~335 days | ~450 days |
| Cycle advice | Wait | Wait |
| Deals advice | Buy | Buy |
| Next model | — | Neptune 5 Pro (Expected mid-2026) |
Active chamber temperature control enables reliable ABS, ASA, PA, and PC printing without warping.
500 mm/s print speed with Bambu's vibration compensation delivers fast, accurate prints.
With the P2S released, P1S prices are at their lowest — an opportunity for budget-conscious buyers.
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.