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Head to head · checked 29 September 2026
Bambu Lab A1 mini vs Prusa MINI: two small printers, two philosophies
Both print the same 180 x 180 x 180 mm volume and both are quiet enough for a desk. The Bambu Lab A1 mini has a direct-drive extruder, self-calibration, a camera and the AMS lite for colour, for a lower launch price. The Prusa MINI is open-source, repairable and accepts files from a phone browser through PrusaLink, but its Bowden extruder makes TPU harder and it has no multi-colour option. Buy the A1 mini unless openness is the point.The short version
Who should buy which
Both printers are in SpeakCAD's slicer catalog with their official OrcaSlicer profiles, so this page has no printer to sell you. The numbers in the table come from those profiles; the prices are the makers' launch prices, and prices moved in 2025 and differ by region.2
Buy the MINI if…
You want an open-source printer you can repair with published parts, a web page you can upload to from a phone, PrusaSlicer, and no cloud account; you mostly print PLA and PETG and do not need colour.3
Either way, the first custom part
Describe it with its measurements, check it on a virtual bed the size of the printer you chose, and download a sliced .gcode.3mf for the A1 mini or G-code for the MINI, sliced with its official profile. The first render usually appears within a minute or two: a new part gets deeper reasoning through the geometry, and small edits land in seconds.Bambu Lab A1 mini vs Prusa MINI: the numbers
| Bambu Lab A1 mini | Prusa MINI | |
|---|---|---|
| Printable area in the profile | 180 x 180 x 180 mm | 180 x 180 x 180 mm |
| Frame | Open-frame bed slinger | Open-frame bed slinger |
| Enclosure | None | None |
| Extruder and hotend | Direct drive; quick-swap hotend, 300 °C | Bowden (TPU is harder), all-metal hotend; input shaping arrived by firmware update |
| Hardened nozzle for abrasive filament | Optional hotend | Optional nozzle |
| Multi-colour | AMS lite, 4 spools (open unit) | No |
| Nozzle variants in the profile | 0.2 nozzle, 0.4 nozzle, 0.6 nozzle, 0.8 nozzle | 0.25 nozzle, 0.4 nozzle, 0.6 nozzle, 0.8 nozzle |
| Layer heights in the print profiles | 0.06 mm, 0.08 mm, 0.1 mm, 0.12 mm, 0.14 mm, 0.16 mm and more | 0.2 mm |
| Filament profiles | PLA, PETG, ABS, ASA, TPU, PLA-CF and more | PLA, PETG, ABS, ASA, TPU, PLA-CF and more |
| A file made on a phone | Wi-Fi. Bambu Handy monitors and starts files already on the printer; a sliced .gcode.3mf made on a phone goes to the microSD card or through Bambu Studio on a computer | PrusaLink takes a G-code upload from a phone browser; USB stick |
| Ecosystem | Closed (Bambu Studio, Handy, MakerWorld); OrcaSlicer works | Open source; PrusaSlicer; kit or assembled |
| Sliced download from SpeakCAD | Sliced .gcode.3mf | G-code |
| Launch price (USD) | $299; $459 with AMS lite (September 2023) | About $400 as a kit, $460 assembled |
| Best for | Small, quiet and cheap to run; the default first printer when 180 mm is enough | A quiet, compact, open-source machine for small parts |
Printable area in the profileBambu Lab A1 mini: 180 x 180 x 180 mmPrusa MINI: 180 x 180 x 180 mm
FrameBambu Lab A1 mini: Open-frame bed slingerPrusa MINI: Open-frame bed slinger
EnclosureBambu Lab A1 mini: NonePrusa MINI: None
Extruder and hotendBambu Lab A1 mini: Direct drive; quick-swap hotend, 300 °CPrusa MINI: Bowden (TPU is harder), all-metal hotend; input shaping arrived by firmware update
Hardened nozzle for abrasive filamentBambu Lab A1 mini: Optional hotendPrusa MINI: Optional nozzle
Multi-colourBambu Lab A1 mini: AMS lite, 4 spools (open unit)Prusa MINI: No
Nozzle variants in the profileBambu Lab A1 mini: 0.2 nozzle, 0.4 nozzle, 0.6 nozzle, 0.8 nozzlePrusa MINI: 0.25 nozzle, 0.4 nozzle, 0.6 nozzle, 0.8 nozzle
Layer heights in the print profilesBambu Lab A1 mini: 0.06 mm, 0.08 mm, 0.1 mm, 0.12 mm, 0.14 mm, 0.16 mm and morePrusa MINI: 0.2 mm
Filament profilesBambu Lab A1 mini: PLA, PETG, ABS, ASA, TPU, PLA-CF and morePrusa MINI: PLA, PETG, ABS, ASA, TPU, PLA-CF and more
A file made on a phoneBambu Lab A1 mini: Wi-Fi. Bambu Handy monitors and starts files already on the printer; a sliced .gcode.3mf made on a phone goes to the microSD card or through Bambu Studio on a computerPrusa MINI: PrusaLink takes a G-code upload from a phone browser; USB stick
EcosystemBambu Lab A1 mini: Closed (Bambu Studio, Handy, MakerWorld); OrcaSlicer worksPrusa MINI: Open source; PrusaSlicer; kit or assembled
Sliced download from SpeakCADBambu Lab A1 mini: Sliced .gcode.3mfPrusa MINI: G-code
Launch price (USD)Bambu Lab A1 mini: $299; $459 with AMS lite (September 2023)Prusa MINI: About $400 as a kit, $460 assembled
Best forBambu Lab A1 mini: Small, quiet and cheap to run; the default first printer when 180 mm is enoughPrusa MINI: A quiet, compact, open-source machine for small parts
Parts that fit both beds
Copy one, change the numbers to yours. Each opens in the editor with the text already typed.“A phone stand for an 80 mm wide phone at 60 degrees with a 12 mm cable slot underneath and a 2 mm front lip, printed flat on its back.”
Open this prompt in the editor“A two-part case for a 65 x 30 mm PCB with M2.5 holes 3 mm from each corner, 14 mm internal height, a USB-C cutout on a short side, snap-fit lid.”
Open this prompt in the editor“A desk cable clip strip 150 mm long with six 8 mm clips and a recess for an adhesive pad underneath, printed flat.”
Open this prompt in the editorSame bed, different generation
The Prusa MINI arrived in 2019 and is still sold because it is a well-made, quiet 180 mm printer with a spring-steel sheet and reliable levelling. The A1 mini arrived in 2023 with the tricks of a newer generation: a direct-drive extruder, automatic flow and vibration calibration, a quick-swap hotend, a camera and a multi-colour unit designed for it. Input shaping reached the MINI later by firmware, which closed some of the speed gap but not the feature gap.
Where the A1 mini wins
- Extruder: direct drive prints TPU and retracts cleanly; the MINI's Bowden tube does neither as well.
- Colour: the AMS lite (4 spools) exists for it; the MINI has no multi-material option.
- Setup and monitoring: self-calibration, a camera and the Handy app in the box.
- Price: $299 at launch, $459 with the AMS lite; the MINI is about $400 as a kit and $460 assembled.
- Noise: the A1 mini is one of the quietest printers on sale; the MINI is quiet too, but not by as much.
Where the Prusa MINI wins
- Openness: open hardware and firmware, PrusaSlicer, published spare parts, no account required.
- Network from a phone: PrusaLink accepts a G-code upload from a phone browser; the A1 mini needs the microSD card or Bambu Studio for a file made on a phone.
- Longevity: MINIs from 2019 are still running on original parts, and every wear part is a catalogue item.
- Kit option: cheaper, and you learn the machine while assembling it.
What both give up
180 mm is enough for most functional parts but not for a large tray or a full-width organizer; what bed size you actually need goes through the numbers. Neither is enclosed, so ABS and ASA are not their strength.
Prices
Launch prices above; both changed in 2025 and vary by region.
Verdict
The A1 mini is the better small printer for almost everyone: direct drive, colour, self-setup, less money. The Prusa MINI is the one to buy if you want an open machine with a web upload from your phone and will print PLA and PETG only.
Sliced for either one
SpeakCAD ships the OrcaSlicer profiles of the Bambu Lab A1 mini and the Prusa MINI, like 380+ other printers. Describe a part in plain English on a phone or a computer, watch it render on a virtual bed of the size above, change it by chat, and download a sliced .gcode.3mf for the A1 mini or G-code for the MINI, with the print time and filament weight. The STL and 3MF are always there for your own slicer. The Bambu Lab A1 mini and Prusa MINI pages have prompts sized for each bed and the library parts made for them.
Questions
For most functional parts, yes: phone stands, enclosures for a Raspberry Pi or ESP32, brackets, knobs and small organizers all fit. Trays wider than 180 mm and large organizers need splitting into two pieces with alignment pins, or a bigger printer such as the A1 or MK4S.
It can with patience: the Bowden extruder pushes flexible filament through a long tube, so soft TPU needs slow speeds and often jams. The A1 mini's direct drive handles TPU normally.
Both are quiet; the A1 mini is quieter still, and its small moving mass keeps vibration low even at speed. Either is acceptable in a living room; the fan is what you hear.
Yes, both, with the OrcaSlicer profile each maker ships: a sliced .gcode.3mf for the A1 mini and G-code for the MINI, or an STL or 3MF for your own slicer. The bed sizes in the table are the ones the viewer shows while you design.
Keep comparing
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