Late in cycle — a new model is likely coming soon
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 | |
|---|---|---|
| Tier | Prosumer | 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 | — | — |
| Materials | PLA, PETG, TPU, ABS | PLA, PETG, ABS, ASA, TPU, PA, PA-CF, PC, PPS-CF |
| Released | Oct 19, 2023 | Dec 1, 2025 |
| Cycle length | ~365 days | — |
| Cycle advice | Wait | Buy |
| Deals advice | Buy | Caution |
| Next model | A1 2026 Refresh (Expected Q4 2026) | — |
Unlike the A1 Mini's AMS Lite, the A1 Combo includes the full AMS with support for a wider range of filament types.
The largest build volume available in a Bambu bed-slinger — great for terrain, large cosplay props, and functional parts.
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 Plus4 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.