The Bambu Lab A1 (entry) and Qidi Tech Max4 (professional) come from different brands and sit in different tiers, so this is less a head-to-head than a question of how much printer you need. The Max4 costs $750 more and gets you an enclosed chamber (with ASA, PA, PA-CF, PC and PPS-CF on its materials list) and 208% more build volume.
Overdue for a refresh — no successor announced yet. Prices should be at their lowest
Best for: Makers who want large prints and multicolor capability without an enclosure — ideal for PLA, PETG, and flexible materials.
Full details →First-generation product — recently released, still early days
Best for: Professional makers and small studios who need the maximum enclosed build volume in Qidi's lineup for large engineering parts, architectural models, or batch production — at a price point below the Bambu H2S.
Full details →| Bambu Lab A1 | Qidi Tech Max4 | |
|---|---|---|
| Pricing | ||
| Starting Price | ★ $299 | $1,049 |
| Print Specs | ||
| Tier | Entry | Professional |
| Motion | BedSlinger | CoreXY |
| Build Volume | 256 × 256 × 256 mm | ★ 390 × 390 × 340 mm |
| Max Speed | 500 mm/s | ★ 800 mm/s |
| Multicolor | ✅ 4 slots | ✅ 4 slots |
| Enclosure | ❌ | ★ ✅ |
| Auto Calibration | ✅ | ✅ |
| Open Source | ❌ | ❌ |
| Upgrade Kit | — | — |
| Buy Timing | ||
| Released | Oct 19, 2023 | Dec 1, 2025 |
| Cycle length | ~365 days | — |
| Cycle advice | Wait | Buy |
| Deals advice | Buy | Buy |
| Next model | — | — |
The A1 was released on Oct 19, 2023, 1,120 days ago. Its previous release cycle ran about 365 days; it is now 755 days past that point and no successor has been announced.
The Max4 was released on Dec 1, 2025, 346 days ago. It is a first-generation product, so there is no earlier cycle to predict its successor from.
On timing alone, the Max4 is the safer buy right now — it launched only 346 days ago, while the A1 is 755 days past its ~365-day cycle with no successor announced.
Cycle and deal status as of November 12, 2026. See the launch calendar →
The A1 lists at $299 and the Max4 at $1,049 — $750 apart, so the Max4 costs 251% more.
Per litre of build volume, that works out to $18 for the A1 versus $20 for the Max4 — the A1 is the better value per litre as well.
With both in sale windows, this is a good moment to buy either — compare the live sale prices before you decide.
Our pick for most buyers is the Max4, for an enclosed chamber (with ASA, PA, PA-CF, PC and PPS-CF on its materials list) and 208% more build volume, plus better buy-now timing. Go for the A1 instead if you want to spend less — it is $750 cheaper ($299 vs $1,049).
How we judge timing and deals: read our methodology →
The A1 Combo includes the AMS Lite for 4-color filament switching — the same system used on the A1 Mini and A2L.
Roughly 2.9 times the volume of the A1 Mini — great for terrain, cosplay props, and functional parts. The A2L is the step up if you need a larger bed-slinger.
Works with Bambu Studio, Bambu Handy app, and the full Bambu filament ecosystem including multi-material profiles.
The Max4 offers the largest build volume in Qidi's lineup — enabling large functional parts, architectural models, and production batch runs that exceed Plus5 capacity.
The Max4's closed-loop XY adds positional feedback for improved accuracy at high speeds — a differentiating feature at this price tier that reduces dimensional errors on large prints.
Qidi's proven active chamber heating technology scaled to a 390×390 mm bed — critical for consistent ABS, ASA, PA-CF, and PPS-CF results across the full build plate.