๐Ÿ–จ 3D Printer Radar

Bambu Lab A1vsPrusa Research Core One

โš ๏ธ Ecosystem lock-in warning: Bambu and Prusa are not interchangeable ecosystems. Bambu's AMS system is proprietary โ€” 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

Late in cycle โ€” a new model is likely coming soon

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

Full details โ†’
Prusa Research Core One
Buy/Wait:Caution

Mid-cycle โ€” watch for announcements before buying

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

Full details โ†’
Bambu Lab A1Prusa Research Core One
TierProsumerProsumer
MotionBedSlingerCoreXY
Build Volume256 ร— 256 ร— 256 mm250 ร— 220 ร— 270 mm
Max Speed500 mm/s600 mm/s
Multicolorโœ… 4 slotsโŒ No
EnclosureโŒโŒ
Auto Calibrationโœ…โœ…
Open SourceโŒโœ…
Upgrade Kitโ€”โ€”
MaterialsPLA, PETG, TPU, ABSPLA, PETG, ABS, ASA, TPU, PA, PC
ReleasedOct 19, 2023Jan 14, 2025
Cycle length~365 days~730 days
Cycle adviceWaitCaution
Deals adviceBuyCaution
Next modelA1 2026 Refresh (Expected Q4 2026)Core One S (enclosed) (Expected 2027)

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.

256ร—256ร—256 mm build volume

The largest build volume available in a Bambu bed-slinger โ€” 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 โ€” 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.