Prusa Research CORE One+vsPrusa Research MK4S

💰Prusa Research MK4S is $420 cheaper (58% less)

📐Prusa Research CORE One+ has 29% more build volume

⚡Prusa Research CORE One+ tops out at 600 mm/s vs 500 mm/s

🏠Only Prusa Research CORE One+ has an enclosure — required for ABS, ASA, PA engineering filaments

Same ecosystem (Prusa Research): Both printers share the same software, slicer, and filament ecosystem. This is a tier step-up comparison — consider whether the extra features justify the price difference.

Prusa Research CORE One+

Buy/Wait:Buy

Early in release cycle — no urgency to wait

🔧 Upgrade kit available — from CORE One+, MK4S

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

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Prusa Research MK4S

Buy/Wait:Upgrade Kit

Late in cycle — but an upgrade kit is available. Existing owners can upgrade without buying new

🔧 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.

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	Prusa Research CORE One+	Prusa Research MK4S
Pricing
Starting Price	$1,149	★ $729
Print Specs
Tier	Prosumer	Prosumer
Motion	CoreXY	BedSlinger
Build Volume	★ 250 × 220 × 270 mm	250 × 210 × 220 mm
Max Speed	★ 600 mm/s	500 mm/s
Multicolor	★ ✅ 8 slots	❌ No
Enclosure	★ ✅	❌
Auto Calibration	✅	✅
Open Source	✅	✅
Upgrade Kit	🔧 From CORE One+, MK4S	🔧 From MK4, MK3.5
Buy Timing
Released	Aug 13, 2026	Aug 13, 2024
Cycle length	~209 days	~730 days
Cycle advice	Buy	Upgrade Kit
Deals advice	Caution	Buy
Next model	—	—

Quick Winner

Bottom Line

💰Prusa Research MK4S saves you $420 — choose it if budget is your primary constraint

🏠Prusa Research CORE One+ is the only choice if you print ABS, ASA, PA, or PC — those materials require an enclosure

🎨Prusa Research CORE One+ is the pick if multicolor printing is important to you

Materials

Prusa Research CORE One+ only

—

Both

PLAEasy to print, no enclosure needed — everyday parts

PETGTougher, slightly flexible, moisture-resistant

ABSHeat and impact resistant — needs enclosure

ASAUV-stable ABS alternative — outdoor parts, needs enclosure

TPUFlexible rubber-like — phone cases, gaskets, wheels

PANylon — strong and wear-resistant, needs dry storage

PCPolycarbonate — extremely tough, challenging to print

Prusa Research MK4S only

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Why buy each?

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 — 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.

INDX toolchanger option

The CORE One+ (Gen 2) can be ordered with Prusa's INDX toolchanger in 4- or 8-tool versions, shipping from 15 October 2026. Each material gets its own nozzle, with about 12 seconds per material change and almost no purge waste. The MMU3 remains compatible as a 5-color add-on.

Prusa Research MK4S

Upgrade kit available — no need to buy new

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.

Fully open source

Firmware, PCB schematics, hardware designs, and slicing profiles are all published under open licenses. You own the printer completely.

Best community and documentation

Prusa's forum, knowledge base, and repair guides are unmatched. Parts are stocked and available for years after purchase.