Honeybee vs Inter-Plant Weeder SA-AI
Two weeding machines, one verified table. Every figure below is sourced and dated; vendor claims are labelled and kept apart from independent results.
Fully autonomous battery-electric laser weeding robot from Caterra, an ETH Zürich spin-off (Glattbrugg, ZH) — deep-learning vision distinguishes crop, weed and soil, then kills weeds with laser pulses to within ~3 mm of the crop, herbicide-free and organic-certified. In pre-order as of mid-2026 after 2025 field pilots (incl. the smaller 300 kg Grasshopper test fleet of 11 units); direct sales only, no dealer network yet.
Best for: Organic and high-value vegetable growers (~10–15+ ha of annual crops) replacing labour-intensive hand weeding with 24/7 in-row laser weeding.Tractor-mounted, chemical-free in-row weeder from SPAPPERI N.T. S.R.L. (Città di Castello, Italy; est. 1964). A hydraulic PTO-driven frame (1-4 rows) carries per-row "BOX AI" units — a 3D camera plus AI vision developed with Czech partner Ullmanna — that detect each plant's root and drive independent vertical rotary tillers or fixed knives to weed within the row. Spapperi's own brochure calls it both "SA-IA" and "SA-AI"; the product is marketed via that brochure and lead-gen listings rather than a dedicated page on Spapperi's main site as of this check.
Best for: Commercial vegetable and root-crop growers (Spapperi's own examples include lettuce, cabbage, pumpkin and sugar beet) who already run an appropriately-sized tractor with rear hydraulics and want mechanical in-row weed control without GPS guidance or chemical herbicides.| Honeybee Verified 2026-07-16 | Inter-Plant Weeder SA-AI Verified 2026-07-19 | |
|---|---|---|
| Overview | ||
| Task | Weeding | Weeding |
| Autonomy | Fully autonomous | AI-assisted |
| Country of origin | Switzerland | Italy |
| Availability | Pre-order | Available now |
| EU market | Pending | Pending |
| Lead time | Not disclosed | Not disclosed |
| Last verified | 2026-07-16 | 2026-07-19 |
| Specifications | ||
| Power source | Battery-electric — over 24 h per battery set, two sets supplied for 24/7 operation | Tractor PTO-driven hydraulics — dedicated independent hydraulic circuit per weeding element, shared oil tank |
| Required tractor power | Is the vehicle (self-propelled) | Not disclosed — Spapperi specifies PTO-driven hydraulic transmission but publishes no minimum tractor horsepower figure for the SA-AI |
| Dimensions | Track width configurable 1.50–1.80 m (beds or dams) | Not disclosed — modular frame (1-4 rows, single or double planting-row spacing); overall width/length vary by configuration |
| Weight | Not disclosed (smaller Grasshopper pilot unit — 300 kg) | Not disclosed |
| Min farm size | ~10 ha annual crops (15+ ha ideal) | Not disclosed — no hectare threshold published; the multi-row tractor-mounted design targets commercial vegetable/root-crop operations |
| Productivity | 24/7 capable; multiple robots can work the same field (Grasshopper pilot — ~80 m/h) | 4,500-8,500 plants/hour per row, depending on in-plant spacing |
| Max speed | Not disclosed | Not disclosed |
| Sensors | RTK-GNSS navigation · cameras with deep-learning crop/weed/soil segmentation | 3D camera plus integrated lighting per weeding element ("BOX AI", AI vision by Ullmanna) for day/night plant-root detection; anti-collision sensors on each element arm; central "Power Box" CPU with GPS and internet connectivity |
| Price & model | ||
| Price (EUR) | ≈€220,000 | Not disclosed |
| Native price | ≈€220,000 purchase (4-laser) or ≈€65,000/year lease — trade-press figures, not published by Caterra | Not disclosed |
| Business model | Direct sales / pre-order via Caterra; one-year lease option reported | Buy — tractor-mounted implement sold direct from Spapperi NT S.r.l. (Città di Castello, Italy); AI vision developed with Czech partner Ullmanna, integrated as Spapperi's "BOX AI - Ullmanna System" |
| Ongoing cost | Electricity; laser and optics service (terms not disclosed) | Interchangeable rotary-tiller/knife wear parts; hydraulic oil and PTO-pump upkeep; AI crop models update automatically over the internet (Spapperi states a new crop can be added in about 6 hours) |
| Key outcome | ||
| Best verified result | Hand-weeding labour in organic vegetables Autonomous 24/7 laser weeding, herbicide-free · vendor | In-row weeding labour Vendor testimonial states each row unit replaces about 10 manual workers · vendor |
| EU context | ||
| CE marking | Not confirmed — pre-series/pre-order stage | Not disclosed — no CE-marking statement found for the SA-AI on Spapperi's site, its brochure, or the dealer-contact page |
| Machinery Regulation | Swiss manufacturer — CH follows EU machinery rules via the CH–EU Mutual Recognition Agreement; EU-market conformity not yet demonstrated publicly | Not disclosed — would fall under Regulation (EU) 2023/1230 as a mounted implement with AI-driven functions if placed on the EU market; no explicit compliance statement found |
| CAP subsidy | Herbicide-free weeding aligns with CAP eco-schemes and CH Absenkpfad (pesticide-reduction) goals | Not disclosed — mechanical/AI in-row weeding removes herbicide use, which is relevant to CAP eco-schemes rewarding reduced chemical inputs, but Spapperi does not tie the SA-AI to CAP explicitly |
"—" means the manufacturer has not disclosed the figure; we never estimate silently. Model either machine's payback with your own numbers on its ROI calculator page.