The Anycubic Kobra S1 Max and Qidi Tech Max4 are cross-brand rivals: both are professional-tier printers, listed $250 apart. Both are enclosed CoreXY printers with 4-slot multicolor and automatic calibration. The Max4 costs $250 more and gets you a top speed of 800 mm/s (vs 600) and 21% more build volume; the Kobra S1 Max answers with support for PLA-CF, PETG-CF and PVA and extra engineering materials (PET-CF).
First-generation product — recently released, still early days
Best for: Professional makers and small studios who need large-format enclosed printing for engineering filaments at a competitive price — and want Anycubic's ecosystem over Creality or Qidi alternatives.
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 →| Anycubic Kobra S1 Max | Qidi Tech Max4 | |
|---|---|---|
| Pricing | ||
| Starting Price | ★ $799 | $1,049 |
| Print Specs | ||
| Tier | Professional | Professional |
| Motion | CoreXY | CoreXY |
| Build Volume | 350 × 350 × 350 mm | ★ 390 × 390 × 340 mm |
| Max Speed | 600 mm/s | ★ 800 mm/s |
| Multicolor | ✅ 4 slots | ✅ 4 slots |
| Enclosure | ✅ | ✅ |
| Auto Calibration | ✅ | ✅ |
| Open Source | ❌ | ❌ |
| Upgrade Kit | — | — |
| Buy Timing | ||
| Released | Nov 25, 2025 | Dec 1, 2025 |
| Cycle length | — | — |
| Cycle advice | Buy | Buy |
| Deals advice | Buy | Buy |
| Next model | — | — |
The Kobra S1 Max was released on Nov 25, 2025, 352 days ago. It is a first-generation product, so there is no earlier cycle to predict its successor from.
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.
Both are early enough in their cycles that timing should not decide this one. The Kobra S1 Max launched 352 days ago and the Max4 launched 346 days ago. Pick on features and price.
Cycle and deal status as of November 12, 2026. See the launch calendar →
The Kobra S1 Max lists at $799 and the Max4 at $1,049 — $250 apart, so the Max4 costs 31% more.
Per litre of build volume, that works out to $19 for the Kobra S1 Max versus $20 for the Max4 — the Kobra S1 Max is the better value per litre as well.
Our pick for most buyers is the Kobra S1 Max, for a lower price ($250 less) and support for PLA-CF, PETG-CF and PVA. Go for the Max4 instead if print speed matters — it is rated for 800 mm/s against 600 mm/s.
How we judge timing and deals: read our methodology →
One of the largest enclosed build volumes in the prosumer/professional tier — suited for large engineering parts, architectural models, and batch production.
Maintaining 65°C across a 350×350 mm chamber is a meaningful technical achievement — ensuring consistent results for ABS, ASA, and PA across the full build plate.
The S1 Max extends the Kobra ecosystem into the large-format enclosed segment, enabling Anycubic users to scale up without switching brands.
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.