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 →Late in cycle — a new model is likely coming soon
Best for: Beginners who prioritize open-source hardware, community support, and long-term reliability over speed — and don't mind a slower, more deliberate printing experience.
Full details →| Prusa Research MK4S | Prusa Research Mini+ | |
|---|---|---|
| Tier | Prosumer | Entry |
| Motion | BedSlinger | BedSlinger |
| Build Volume | 250 × 210 × 220 mm | 180 × 180 × 180 mm |
| Max Speed | 500 mm/s | 200 mm/s |
| Multicolor | ❌ No | ❌ No |
| Enclosure | ❌ | ❌ |
| Auto Calibration | ✅ | ✅ |
| Open Source | ✅ | ✅ |
| Upgrade Kit | 🔧 From MK4, MK3.5 | — |
| Materials | PLA, PETG, ABS, ASA, TPU, PA, PC | PLA, PETG, ASA, TPU |
| Released | Mar 20, 2024 | Apr 25, 2021 |
| Cycle length | ~730 days | ~730 days |
| Cycle advice | Caution | Wait |
| Deals advice | Caution | Buy |
| Next model | Prusa MK5 (Expected 2027) | Prusa Mini 2 (Expected 2026) |
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.
The Mini+ has been on the market since 2021 and has proven its durability with thousands of community print-hours logged.
Prusa stocks replacement parts for all Mini+ components. Community guides cover every repair scenario.
The lowest-cost way to enter the Prusa ecosystem with a fully supported printer.