🖨 3D Printer Radar

Bambu Lab A1vsPrusa Research CORE One+

⚠️ Ecosystem lock-in warning: Bambu and Prusa are not interchangeable ecosystems. Bambu's AMS system is proprietary — multicolor filaments, cloud features, and software are tightly coupled. Prusa's MMU3 is open source. Switching ecosystems later means replacing filament profiles, software presets, and accessories. Choose based on your long-term workflow, not just the current specs.
Bambu Lab A1
Buy/Wait:Wait

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

Best for: Makers who want large prints and multicolor capability without an enclosure — ideal for PLA, PETG, and flexible materials.

Full details →
Prusa Research CORE One+
Buy/Wait:Buy

Early in release cycle — no urgency to wait

🔧 Upgrade kit available — from CORE One

Best for: Makers who want CoreXY speed and precision with Prusa's open-source ethos, community support, and long-term repairability — without Bambu's closed ecosystem.

Full details →
Bambu Lab A1Prusa Research CORE One+
TierProsumerProsumer
MotionBedSlingerCoreXY
Build Volume256 × 256 × 256 mm250 × 220 × 270 mm
Max Speed500 mm/s600 mm/s
Multicolor✅ 4 slots❌ No
Enclosure
Auto Calibration
Open Source
Upgrade Kit🔧 From CORE One
MaterialsPLA, PETG, TPU, ABSPLA, PETG, ABS, ASA, TPU, PA, PC
ReleasedOct 19, 2023Jan 16, 2026
Cycle length~365 days~310 days
Cycle adviceWaitBuy
Deals adviceBuyCaution
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Why buy each?

Bambu Lab A1

Full AMS multicolor

Unlike the A1 Mini's AMS Lite, the A1 Combo includes the full AMS with support for a wider range of filament types.

256×256×256 mm build volume

The largest build volume available in a Bambu bed-slinger — great for terrain, large cosplay props, and functional parts.

Bambu ecosystem integration

Works with Bambu Studio, Bambu Handy app, and the full Bambu filament ecosystem including multi-material profiles.

Prusa Research CORE One+

Prusa's answer to Bambu P-series

The CORE One+ matches Bambu CoreXY speed (600 mm/s) while keeping everything open source — firmware, hardware, slicing profiles.

Fully open source

Unlike Bambu's closed ecosystem, every component of the CORE One+ can be modified, repaired, or community-improved.

MMU3 multicolor compatible

Existing MMU3 units and the new MMU3 for CORE One bring 5-color multicolor printing to the CoreXY platform.