3D Printing Info

Printer comparison

Creality K1 vs Original Prusa MINI+

Compare hardware, build volume, printing specifications, dated prices and sources.

2 selected · all documented properties

Creality K1 vs Original Prusa MINI+ — documented properties and sources
PropertyCreality K1COREXYOriginal Prusa MINI+BEDSLINGER
Identity
BrandCrealityPrusa Research
ClassCOREXYBEDSLINGER
Identity & Market
Manufacturer & exact marketed model name (verify the exact product identity first)Creality K1 (store title "Creality K1 Speedy 3D Printer")[1][2]Original Prusa MINI+ Semi-assembled 3D Printer[3]
Street price (USD; dated snapshot per entry)$299.00 on store.creality.com, Aug 2026. Creality's own K1-series comparison page shows $389 against a struck-through $599 on the same day[2][1]$508.33 on prusa3d.com, Aug 2026[4]
Variants & sibling models — and how to tell them apart (spec-contamination risk)Base model of the K1 family. The differences that matter are in the hotend: the K1 uses a metal + PTFE-tube hotend with a copper nozzle, while the K1C is all-metal with a steel-tipped nozzle integrated with the heatbreak and adds an air filter and a 1080p AI camera. Creality's own comparison table annotates the K1 hotend "Changing to All-metal Soon", so the hotend on a given unit depends on when it was built - check before buying. The K1 Max is the 300 mm version with 1000 W rated power and Ethernet; the K1 SE has a PA+30%GF hotend and an epoxy plate[1][5]Sold semi-assembled and, historically, as a kit; also offered in an Enclosure Bundle. Distinguish from the larger i3-family machines - the MINI+ is Bowden-fed with 2209 drivers, a 280 C nozzle ceiling and a 100 C bed, all lower than the MK3S+/MK4S. Note that Prusa's own MINI+ page carries an "Awards & Press Reviews" paragraph that is entirely about the MK3S, not the MINI+[3][6]
Physical & Frame
Build volume X×Y×Z (mm) — advertised vs actually usable220 x 220 x 250 mm[1]180 x 180 x 180 mm (manufacturer figure)[3]
Machine footprint (mm) & clearance needed (cable/spool overhang)355 x 355 x 480 mm[1]380 x 330 x 380 mm (X x Y x Z), stated without the spool holder and external PSU - the external PSU brick needs additional desk space[3]
Net weight (kg)12.5 kg (Tom's Hardware measurement)[7]4.5 kg without spool holder and external PSU[3]
Enclosure: open / enclosed; panel material; door/lidEnclosed with passive chamber heating only - Creality's comparison table lists "Passive Heating" for the K1, K1C and K1 Max and no chamber heating for the K1 SE[1]Open frame; sold with an optional Enclosure bundle[3]
Kinematics & Motion Hardware
Kinematics (bedslinger i3 / CoreXY / other)CoreXY (Creality's own K1-series comparison table)[1]Not documented
Stepper drivers (exact model e.g. TMC2209; UART/SPI; sensorless homing?)Not documentedTrinamic 2209 silent stepper drivers, with sensorless homing on the X and Y axes[3]
Speed & Acceleration
Max print speed (claimed, mm/s)600 mm/s max printing speed (manufacturer claim). Creality's own footnote says the 600 mm/s figure was achieved in Creality Lab and that the typical speed is 300 mm/s[1][5]Not documented
Recommended/typical print speed300 mm/s typical printing speed with 12000 mm/s2 typical acceleration, stated by Creality alongside the 600 mm/s headline[1]Not documented
Max acceleration (claimed, mm/s²)20000 mm/s2 max acceleration (manufacturer claim)[1]Not documented
Extruder
Type (direct drive / bowden) & design nameDual-gear direct-drive extruder[1]Bowden extruder with 3:1 gearing - the only current Prusa FFF machine that is not direct drive[3]
Gear ratio & drive gear materialNot documented3:1 extruder gearing[3]
Hotend & Nozzle
Hotend design (proprietary/standard; quick-swap mechanism?)Metal hotend with a PTFE (Teflon) tube in the filament path and a copper nozzle. Creality's own comparison table adds "(Changing to All-metal Soon)", so this is a moving target across production runs[1]Not documented
Max nozzle temp claimed AND firmware max temp limit (both values)300 C claimed max nozzle temperature[1]280 C claimed max nozzle temperature - lower than the 290-300 C of the i3-family machines[3]
Heated Bed & Surface
Max bed temp claimed AND firmware limit100 C max heatbed temperature[1]100 C max heatbed temperature[3]
Bed surface (material, texture, coating), single/double-sidedCoated steel flex plate, heated, removable[7]Removable magnetic steel sheets in several surface finishes; heatbed with cold-corner compensation[3]
Leveling & Z-Offset
Auto bed leveling: probe technology (inductive / strain gauge / load cell / touch probe)Automatic bed levelling (Tom's Hardware); unlike the K1 Max there is no lidar[7][8]SuperPINDA inductive probe with no temperature drift, driving automatic mesh bed levelling[3]
Filament Handling & Detection
Filament runout sensor (type, location)Filament run-out sensor fitted[7]Not documented
Cooling & Air Handling
Part-cooling fan(s): count, size, ducting designClosed-loop part-cooling fan; PWM hotend cooling fan[1]Not documented
Electronics & Power
Mainboard model & MCU (exact chip markings if teardowns exist)Not documentedCustom 32-bit board of Prusa's Buddy family; the MINI/MINI+ is covered by the same Prusa-Firmware-Buddy source tree as the MK4, XL and CORE One. The exact board revision is not given on the product page[3][9]
Total rated power draw350 W rated power[1]Not documented
Firmware & Openness
Firmware base & current version (Klipper fork / Marlin fork / proprietary)Creality OS, a Klipper derivative. Creality publishes the source as CrealityOfficial/K1_Series_Klipper on GitHub, whose own description is "clone from https://github.com/Klipper3d/klipper/", GPL-3.0, last pushed December 2025[10][11][1]Open-source Prusa Buddy firmware. The source tree (prusa3d/Prusa-Firmware-Buddy on GitHub) explicitly covers the Original Prusa MINI/MINI+, MK4, XL and CORE One and was last pushed to in August 2026. Updates are applied from a USB drive, through Prusa Connect or through the Prusa mobile app[9][12]
Connectivity, UI & Camera
Display: size, type, touch?4.3-inch 800x480 colour touchscreen[1]2.8-inch 65k-colour graphic screen with G-code preview[3]
On-device UI capabilities (model preview, per-object controls, etc.)Colour touch UI; remote monitoring, time-lapse, failure detection and build-surface detection are all optional on the K1 because they depend on the optional AI camera[1]On-device colour UI with G-code preview; remote print management through Prusa Connect[3]
WiFi (band/standard), Ethernet, USB ports, SD/flash-driveWi-Fi only - no Ethernet (the K1 Max adds RJ45); 8 GB of on-board storage[1]USB port, RJ-45 Ethernet, optional ESP Wi-Fi module (sold separately); compatible with Prusa Connect[3]
Camera: built-in / optional? Resolution & framerate (verify — marketing often omits real fps)AI camera optional, not fitted as standard - unlike the K1C and K1 Max, which include a 1080p camera[1]Not documented
Calibration Routines & QoL
Assembly level & time from unbox to first printNot documentedSemi-assembled: Prusa ships it in a small number of pre-built sections; also historically sold as a full kit[3]
Materials Support
Officially supported filament listHyper PLA, PLA, PETG, TPU, ABS - a notably shorter list than the K1C, because of the PTFE-lined hotend[1]PLA, PETG, ASA, ABS, PC, CPE, PVA/BVOH, PVB, HIPS, PP, Flex, nGen, Nylon, Woodfill and other filled materials (Prusa's own list; the 100 C bed and open frame are the practical limit for ABS/ASA)[3]
Safety
Thermal runaway protection (verify in firmware source if at all possible)Not verified directly. Creality's published firmware for the K1 series (CrealityOfficial/K1_Series_Klipper, GPL-3.0) is described by Creality itself as a clone of upstream Klipper, and upstream Klipper ships the verify_heater thermal-runaway check; whether Creality's stock printer.cfg enables it, and with what thresholds, was not checked here[10][11]Three thermistors and fan RPM sensors are fitted, and the firmware is open-source and auditable (Prusa-Firmware-Buddy); Prusa does not describe the thermal-runaway implementation on the product page[3][9]
Reliability, Support & Ecosystem
Warranty length & support reputation (evidence, not vibes)Creality's US store states "Up to 12-Month Warranty", a 14-day return and refund window and "Lifetime Customer Support" on its printer product pages. The "up to" wording means the term is not uniform across parts[2]2-year warranty for consumers in the EU, Liechtenstein, Switzerland, Norway and Iceland; 1 year for EU enterprises and 1 year for the rest of the world, which includes the United States. A printer bought from a reseller or privately carries 1 year from the original delivery date and is handled by the reseller. Prusa advertises 24/7 chat and e-mail support in seven languages[13][12]
Independently Measured Performance
Review scores from major outlets (list outlet + score + date)Tom's Hardware rating 4 out of 5 in the page's structured data - the lowest of the K1 family, where the K1C and K1 Max both score 4.5[7][8][14]Not documented

Manufacturer claims, independent measurements, packages and test conditions retain their source wording. FDM linear speed and resin vertical speed use different units and are not directly comparable. Unknown values are marked “Not documented”. Prices and source dates remain historical snapshots; check the linked guide for product details. Differences highlight text, not a universal winner.

Sources for this comparison

  1. Creality - Compare K1 Flagship Series (K1 / K1C / K1 Max / K1 SE side-by-side spec table) creality.com · 2026-08 · vendor
  2. Creality US store - K1 3D Printer product page (live price, warranty and returns banner) store.creality.com · 2026-08 · vendor
  3. Original Prusa MINI+ Semi-assembled 3D Printer product page (Technical Parameters + Full Features List, January 2025 Edition) prusa3d.com · 2026-08 · vendor
  4. Prusa 3D printers category listing with live e-shop prices, Aug 2026 prusa3d.com · 2026-08 · vendor
  5. Creality K1C product page (full specification table) creality.com · 2026-08 · vendor
  6. Original Prusa i3 MK3S+ 10th Anniversary Edition product page (Technical Parameters + Full Features List) prusa3d.com · 2026-08 · vendor
  7. Tom's Hardware - Creality K1 Review (spec box) tomshardware.com · 2026-08 · review
  8. Tom's Hardware - Creality K1 Max Review (spec box) tomshardware.com · 2026-08 · review
  9. GitHub - prusa3d/Prusa-Firmware-Buddy (firmware for MINI, MK4, XL and CORE One) github.com · 2026-08 · doc
  10. GitHub API - CrealityOfficial/K1_Series_Klipper repository metadata ("clone from https://github.com/Klipper3d/klipper/", GPL-3.0, last push Dec 2025) api.github.com · 2026-08 · doc
  11. GitHub - CrealityOfficial organisation repositories (per-model firmware sources) github.com · 2026-08 · doc
  12. Original Prusa MK4S 3D Printer product page (Technical Parameters + CORE One+/MK4S/XL comparison table) prusa3d.com · 2026-08 · vendor
  13. Prusa Knowledge Base - Warranty help.prusa3d.com · 2026-08 · doc
  14. Tom's Hardware - Creality K1C Review (spec box and measured print time) tomshardware.com · 2026-08 · review