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: Professional makers, studios, and engineers who need large-format printing with genuine multi-material capability, open-source hardware, and Prusa's long-term support.
Full details →| Prusa Research MK4S | Prusa Research XL | |
|---|---|---|
| Tier | Prosumer | Professional |
| Motion | BedSlinger | CoreXY |
| Build Volume | 250 × 210 × 220 mm | 360 × 360 × 360 mm |
| Max Speed | 500 mm/s | 500 mm/s |
| Multicolor | ❌ No | ✅ 5 slots |
| Enclosure | ❌ | ❌ |
| Auto Calibration | ✅ | ✅ |
| Open Source | ✅ | ✅ |
| Upgrade Kit | 🔧 From MK4, MK3.5 | — |
| Materials | PLA, PETG, ABS, ASA, TPU, PA, PC | PLA, PETG, ABS, ASA, TPU, PA, PA-CF, PC |
| Released | Mar 20, 2024 | Nov 20, 2023 |
| Cycle length | ~730 days | ~730 days |
| Cycle advice | Caution | Wait |
| Deals advice | Caution | Buy |
| Next model | Prusa MK5 (Expected 2027) | Prusa XL 2 (Expected late 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.
Unlike filament-switching AMS/MMU systems, the XL physically swaps print heads. Each material has its own nozzle, eliminating purge towers entirely and enabling true multi-material prints.
One of the largest build volumes available in a CoreXY printer at this price point — suited for large props, architectural models, and batch production.
Every component is documented, parts are stocked for years, and the community has developed hundreds of modifications and improvements.