Overdue for a refresh — no successor announced yet. Prices should be at their lowest
Best for: Budget-conscious beginners who want Bambu's ease of use and multicolor printing in a compact footprint.
Full details →Mid-cycle — watch for announcements before buying
🔧 Upgrade kit available — from MK4, MK3.5
Best for: Makers who value open-source hardware, community support, long-term repairability, and battle-tested reliability over raw speed or multicolor features.
Full details →| Bambu Lab A1 Mini | Prusa Research MK4S | |
|---|---|---|
| Tier | Entry | Prosumer |
| Motion | BedSlinger | BedSlinger |
| Build Volume | 180 × 180 × 180 mm | 250 × 210 × 220 mm |
| Max Speed | 500 mm/s | 500 mm/s |
| Multicolor | ✅ 4 slots | ❌ No |
| Enclosure | ❌ | ❌ |
| Auto Calibration | ✅ | ✅ |
| Open Source | ❌ | ✅ |
| Upgrade Kit | — | 🔧 From MK4, MK3.5 |
| Materials | PLA, PETG, TPU | PLA, PETG, ABS, ASA, TPU, PA, PC |
| Released | Oct 19, 2023 | Mar 20, 2024 |
| Cycle length | ~365 days | ~730 days |
| Cycle advice | Wait | Caution |
| Deals advice | Buy | Caution |
| Next model | — | Prusa MK5 (Expected 2027) |
The A1 Mini sets up in minutes with automatic calibration and Bambu's guided first-print workflow.
Up to 4 colors with the AMS Lite accessory — Bambu's filament switching system with minimal waste purging.
Fits on a desk or shelf without taking over your workspace, while still printing at 500 mm/s.
MK4 and MK3.5 owners can upgrade to MK4S specs without purchasing a whole new printer. This is Prusa's commitment to owners and is unique in the industry at this level.
Firmware, PCB schematics, hardware designs, and slicing profiles are all published under open licenses. You own the printer completely.
Prusa's forum, knowledge base, and repair guides are unmatched. Parts are stocked and available for years after purchase.