Prusa INDX vs Bambu AMS & Vortek: Three Ways to Print Many Materials

Three approaches, not three versions of the same thing

It is tempting to line these up as cheap, mid, and premium. They are not one ladder. They are three answers to the same question ("how do you print more than one material?") and the answers are mechanically different. That difference decides the waste, the speed, and what you have to buy. Here is the whole picture, then the reasoning.

How each one actually works

The mechanism is the whole story. Here it is at a glance before the details.

Prusa INDX: the purge-free tool changer, if you buy into Prusa

The INDX is the interesting one because it does what the AMS structurally cannot: it gives every material its own nozzle. Prusa quotes about 13 mg of waste per change and no purge tower, because there is nothing to flush. It comes as a 4-tool kit (from $749) or an 8-tool kit (from $999); those are the prices of the kits for the CORE One+ (Gen2), while the kits for the original CORE One/One+ and for the CORE One L and L+ cost more. It was designed with Bondtech, who invented the smart toolhead and passive tools while Prusa handles integration and PrusaSlicer.

Two honest limits. First, price and platform: the INDX is an upgrade, not a printer. It only mounts on a Prusa CORE One-family printer (CORE One, One+, One L or One L+), so the real cost is the kit plus the printer underneath it. Second, it is new. It was shown at Formnext in November 2025 and only began shipping in mid-2026, and new orders now face a wait: as of October 26, 2026, Prusa estimates that every conversion kit, the L kits included, ships after February 2027, and an assembled CORE One+ INDX after December 21, 2026. The first independent test (Tom's Hardware, September 20, 2026) now backs the headline claims: on the same model the INDX beat an H2C on time, waste and color count. What nobody has yet is months of data on how the dock and eight passive tools hold up, so the concept is proven and the durability is still a bet.

Watch the INDX if: you already run a CORE One or want to, purge waste genuinely bothers you, and you are comfortable being an early adopter of a system with one strong independent test and no long-term track record yet.

Bambu H2C with Vortek: minimal purge without a tool dock

Bambu's answer sits between the other two. The H2C's head picks one of up to six hotends and heats it inductively in a few seconds, so each hotend keeps its own material and up to 7 print with only a small pressure-balancing purge onto the prime tower between them. Push past 7 by chaining an AMS and you are back to purging for the extras. Independent reviews (Tom's Hardware among them) have been fair but pointed: it is "not quite a tool changer," and the Vortek system can feel complex for what most people print.

The catch is that the H2C is a whole printer, not an add-on, and a premium one. The AMS Combo lists at $1,899 in Bambu's US store as of November 3, 2026 (it was $2,399 when this article was first published). You are buying into a purge-light workflow at the price of a flagship machine, which only makes sense if multi-material is central to what you do.

Buy the H2C if: you want a Bambu-native, mostly purge-free multi-material workflow on one integrated machine and the flagship price is justified by how much multi-material work you actually do.

Bambu AMS: still the pragmatic default

The AMS is not trying to win the waste argument. At $229 per unit (sale price, typical price $299; US store, checked October 29, 2026; A1-series printers also need the $19.99 A1 Series AMS Hub, and X1/P1 printers bought without an AMS need the $94.95 AMS 2 Pro Upgrade Compatibility Kit, both checked October 2, 2026), it is an add-on for any Bambu printer you already own and wins the "just works, cheaply, today" argument. Four slots, RFID recognition of Bambu filament, and the ability to chain up to four units for 16 colors. The cost is the purge: every material change flushes the old filament, and light-after-dark changes flush more. For most hobby multi-color printing that waste is an annoyance, not a dealbreaker.

Buy the AMS if: you own a Bambu already, you want multi-color now for the least money, and a bit of purge waste does not ruin your day. This is the right pick for the large majority of Bambu owners.

Which should you pick?

Decide by what you own and what you actually hate.

• You own a Bambu and want multi-color cheaply. The AMS 2 Pro ($229). Nothing else is close on price or convenience, and the purge is livable.
• You want a Bambu-native, mostly purge-free workflow and will pay flagship money. The H2C. One integrated machine, up to 7 materials with minimal purge.
• You want Bambu's own tool changer, with up to nine tools and soft 2.85 mm TPU. The H3C, $2,499 with its AMS 3H. Faster than the INDX in the one test so far, with far more purge.
• You are in the Prusa camp and purge waste is the thing you cannot stand. The INDX, eyes open: most elegant on waste, now with an independent test behind it, but still young and CORE One family only.

The bottom line

These are three philosophies, not three price tiers. The INDX gives every material its own nozzle and pays for it in cost, platform lock-in, and newness. The H2C cuts purge to a small prime-tower amount without a dock but is a whole premium printer. The AMS purges on every change and does not care, because it is cheap and it is already on your desk. Pick by mechanism and by what annoys you, and the money mostly sorts itself out. The first independent review has landed and it went Prusa's way (see the update above); we will revisit again once long-term reliability data exists.

Buying a Bambu now?

If the AMS route wins, the printer is the bigger decision, and our current picks match the Bambu lineup to budget and use. For the low-purge route, the H2C page has the full specs and the current store price.

Specs: Bambu Lab H2C tech specs, checked November 3, 2026

Questions or real-world experience with one of these systems? Discuss this article in the forum.