AI dataset: finding the HS customs code of a product

43 dialogues with an extract of the Harmonized System in context: the model gives the HS code, asks for a detail or declines.

Preview

First 20 of 43 rows.

Identifier

contextetech--assistant-hs-code

File

assistant-hs-code.jsonl

Format

JSON Lines (application/jsonl)

Size

91,340 bytes (89.2 KB)

Encoding

UTF-8

Estimated tokens

≈ 24,957

Commercial use

Allowed

Personal data

None

Published on

October 13, 2026 at 10:38 AM

Updated on

October 16, 2026 at 11:19 PM

Storage

in database

Estimated cost

Input per pass

≈ 22,341

Output (expected answers)

≈ 2,616

Input + expected answers. Providers' public standard prices (Mistral AI, DeepSeek, OpenAI, Anthropic) converted from USD to euros at the ECB rate, checked on October 13, 2026. Batch: Batch API (OpenAI, Anthropic, Mistral) or off-peak hours (DeepSeek). Estimate: 1 token ≈ 3.6 characters.

Fine-tuning (LoRA on a rented GPU)

Tokens per training epoch

≈ 24,957

For 3 epochs

≈ 74,871

A small dataset trains in a few minutes: 1 hour billed at minimum. APIs publish no usable training price (OpenAI is closing fine-tuning to new customers, Mistral quotes on request): the estimate uses GPU rental, prices excluding VAT as of October 13, 2026.

assistant-hs-code.jsonl

{"messages": [{"role": "system", "content": "You assign the Harmonized System (HS, 6-digit) customs code of a product. Answer only from the nomenclature subheadings given in the message. If several codes remain possible, ask for the detail that separates them. If none fits, say so without giving a code from memory. End by citing the source."}, {"role": "user", "content": "Extract from the Harmonized System (EU Combined Nomenclature 2026):\n- 8508.70 – Vacuum cleaners — Parts\n- 8508.11 – Vacuum cleaners — With self-contained electric motor — Of a power not exceeding 1500 W and having a dust bag or other receptacle capacity not exceeding 20 l\n- 8508.60 – Vacuum cleaners — Other vacuum cleaners\n- 8508.19 – Vacuum cleaners — With self-contained electric motor — Other\n- 8436.10 – Other agricultural, horticultural, forestry, poultry-keeping or bee-keeping machinery, including germination plant fitted with mechanical or thermal equipment; poultry incubators and brooders — Machinery for preparing animal feedingstuffs\n- 0304.85 – Fish fillets and other fish meat (whether or not minced), fresh, chilled or frozen — Frozen fillets of other fish — Toothfish (Dissostichus spp.)\n\nProduct: “900 W electric vacuum cleaners with a 3-litre bag.”"}, {"role": "assistant", "content": "HS code 8508.11: With self-contained electric motor — Of a power not exceeding 1500 W and having a dust bag or other receptacle capacity not exceeding 20 l.\n\nSource: Harmonized System 2022, EU Combined Nomenclature 2026 (EU Vocabularies, CC BY 4.0)."}]}
{"messages": [{"role": "system", "content": "You assign the Harmonized System (HS, 6-digit) customs code of a product. Answer only from the nomenclature subheadings given in the message. If several codes remain possible, ask for the detail that separates them. If none fits, say so without giving a code from memory. End by citing the source."}, {"role": "user", "content": "Extract from the Harmonized System (EU Combined Nomenclature 2026):\n- 8403.10 – Central heating boilers other than those of heading 8402 — Boilers\n- 2916.39 – Unsaturated acyclic monocarboxylic acids, cyclic monocarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives — Aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives — Other\n- 8508.60 – Vacuum cleaners — Other vacuum cleaners\n- 8508.19 – Vacuum cleaners — With self-contained electric motor — Other\n- 0304.95 – Fish fillets and other fish meat (whether or not minced), fresh, chilled or frozen — Other, frozen — Fish of the families Bregmacerotidae, Euclichthyidae, Gadidae, Macrouridae, Melanonidae, Merlucciidae, Moridae and Muraenolepididae, other than Alaska Pollock (Theragra chalcogramma)\n- 8508.70 – Vacuum cleaners — Parts\n\nProduct: “900 W electric vacuum cleaners with a 3-litre bag.”"}, {"role": "assistant", "content": "No subheading in the extract matches this product: I cannot give its HS code without the right line of the nomenclature.\n\nSource: Harmonized System 2022, EU Combined Nomenclature 2026 (EU Vocabularies, CC BY 4.0)."}]}
{"messages": [{"role": "system", "content": "You assign the Harmonized System (HS, 6-digit) customs code of a product. Answer only from the nomenclature subheadings given in the message. If several codes remain possible, ask for the detail that separates them. If none fits, say so without giving a code from memory. End by citing the source."}, {"role": "user", "content": "Extract from the Harmonized System (EU Combined Nomenclature 2026):\n- 8517.13 – Telephone sets, including smartphones and other telephones for cellular networks or for other wireless networks; other apparatus for the transmission or reception of voice, images or other data, including apparatus for communication in a wired or wireless network (such as a local or wide area network), other than transmission or reception apparatus of heading 8443, 8525, 8527 or 8528 — Telephone sets, including smartphones and other telephones for cellular networks or for other wireless networks — Smartphones\n- 9608.60 – Ballpoint pens; felt-tipped and other porous-tipped pens and markers; fountain pens, stylograph pens and other pens; duplicating stylos; propelling or sliding pencils; pen-holders, pencil-holders and similar holders; parts (including caps and clips) of the foregoing articles, other than those of heading 9609 — Refills for ballpoint pens, comprising the ball point and ink-reservoir\n- 4822.90 – Bobbins, spools, cops and similar supports, of paper pulp, paper or paperboard (whether or not perforated or hardened) — Other\n- 8517.79 – Telephone sets, including smartphones and other telephones for cellular networks or for other wireless networks; other apparatus for the transmission or reception of voice, images or other data, including apparatus for communication in a wired or wireless network (such as a local or wide area network), other than transmission or reception apparatus of heading 8443, 8525, 8527 or 8528 — Parts — Other\n- 8517.62 – Telephone sets, including smartphones and other telephones for cellular networks or for other wireless networks; other apparatus for the transmission or reception of voice, images or other data, including apparatus for communication in a wired or wireless network (such as a local or wide area network), other than transmission or reception apparatus of heading 8443, 8525, 8527 or 8528 — Other apparatus for the transmission or reception of voice, images or other data, including apparatus for communication in a wired or wireless network (such as a local or wide area network) — Machines for the reception, conversion and transmission or regeneration of voice, images or other data, including switching and routing apparatus\n- 8517.69 – Telephone sets, including smartphones and other telephones for cellular networks or for other wireless networks; other apparatus for the transmission or reception of voice, images or other data, including apparatus for communication in a wired or wireless network (such as a local or wide area network), other than transmission or reception apparatus of heading 8443, 8525, 8527 or 8528 — Other apparatus for the transmission or reception of voice, images or other data, including apparatus for communication in a wired or wireless network (such as a local or wide area network) — Other\n\nProduct: “New smartphones.”"}, {"role": "assistant", "content": "HS code 8517.13: Telephone sets, including smartphones and other telephones for cellular networks or for other wireless networks — Smartphones.\n\nSource: Harmonized System 2022, EU Combined Nomenclature 2026 (EU Vocabularies, CC BY 4.0)."}]}
{"messages": [{"role": "system", "content": "You assign the Harmonized System (HS, 6-digit) customs code of a product. Answer only from the nomenclature subheadings given in the message. If several codes remain possible, ask for the detail that separates them. If none fits, say so without giving a code from memory. End by citing the source."}, {"role": "user", "content": "Extract from the Harmonized System (EU Combined Nomenclature 2026):\n- 0901.11 – Coffee, whether or not roasted or decaffeinated; coffee husks and skins; coffee substitutes containing coffee in any proportion — Coffee, not roasted — Not decaffeinated\n- 0901.90 – Coffee, whether or not roasted or decaffeinated; coffee husks and skins; coffee substitutes containing coffee in any proportion — Other\n- 0901.21 – Coffee, whether or not roasted or decaffeinated; coffee husks and skins; coffee substitutes containing coffee in any proportion — Coffee, roasted — Not decaffeinated\n- 8477.59 – Machinery for working rubber or plastics or for the manufacture of products from these materials, not specified or included elsewhere in this chapter — Other machinery for moulding or otherwise forming — Other\n- 0901.22 – Coffee, whether or not roasted or decaffeinated; coffee husks and skins; coffee substitutes containing coffee in any proportion — Coffee, roasted — Decaffeinated\n- 8443.91 – Printing machinery used for printing by means of plates, cylinders and other printing components of heading 8442; other printers, copying machines and facsimile machines, whether or not combined; parts and accessories thereof — Parts and accessories — Parts and accessories of printing machinery used for printing by means of plates, cylinders and other printing components of heading 8442\n\nProduct: “Roasted coffee beans, not decaffeinated.”"}, {"role": "assistant", "content": "HS code 0901.21: Coffee, roasted — Not decaffeinated.\n\nSource: Harmonized System 2022, EU Combined Nomenclature 2026 (EU Vocabularies, CC BY 4.0)."}]}
{"messages": [{"role": "system", "content": "You assign the Harmonized System (HS, 6-digit) customs code of a product. Answer only from the nomenclature subheadings given in the message. If several codes remain possible, ask for the detail that separates them. If none fits, say so without giving a code from memory. End by citing the source."}, {"role": "user", "content": "Extract from the Harmonized System (EU Combined Nomenclature 2026):\n- 8541.60 – Semiconductor devices (for example, diodes, transistors, semiconductor-based transducers); photosensitive semiconductor devices, including photovoltaic cells whether or not assembled in modules or made up into panels; light-emitting diodes (LED), whether or not assembled with other light-emitting diodes (LED); mounted piezo-electric crystals — Mounted piezo-electric crystals\n- 8541.59 – Semiconductor devices (for example, diodes, transistors, semiconductor-based transducers); photosensitive semiconductor devices, including photovoltaic cells whether or not assembled in modules or made up into panels; light-emitting diodes (LED), whether or not assembled with other light-emitting diodes (LED); mounted piezo-electric crystals — Other semiconductor devices — Other\n- 8541.41 – Semiconductor devices (for example, diodes, transistors, semiconductor-based transducers); photosensitive semiconductor devices, including photovoltaic cells whether or not assembled in modules or made up into panels; light-emitting diodes (LED), whether or not assembled with other light-emitting diodes (LED); mounted piezo-electric crystals — Photosensitive semiconductor devices, including photovoltaic cells whether or not assembled in modules or made up into panels; light-emitting diodes (LED) — Light-emitting diodes (LED)\n- 8541.43 – Semiconductor devices (for example, diodes, transistors, semiconductor-based transducers); photosensitive semiconductor devices, including photovoltaic cells whether or not assembled in modules or made up into panels; light-emitting diodes (LED), whether or not assembled with other light-emitting diodes (LED); mounted piezo-electric crystals — Photosensitive semiconductor devices, including photovoltaic cells whether or not assembled in modules or made up into panels; light-emitting diodes (LED) — Photovoltaic cells assembled in modules or made up into panels\n- 8537.20 – Boards, panels, consoles, desks, cabinets and other bases, equipped with two or more apparatus of heading 8535 or 8536, for electric control or the distribution of electricity, including those incorporating instruments or apparatus of Chapter 90, and numerical control apparatus, other than switching apparatus of heading 8517 — For a voltage exceeding 1000 V\n- 8708.21 – Parts and accessories of the motor vehicles of headings 8701 to 8705 — Other parts and accessories of bodies (including cabs) — Safety seat belts\n\nProduct: “Photovoltaic solar panels.”"}, {"role": "assistant", "content": "HS code 8541.43: Photosensitive semiconductor devices, including photovoltaic cells whether or not assembled in modules or made up into panels; light-emitting diodes (LED) — Photovoltaic cells assembled in modules or made up into panels.\n\nSource: Harmonized System 2022, EU Combined Nomenclature 2026 (EU Vocabularies, CC BY 4.0)."}]}
{"messages": [{"role": "system", "content": "You assign the Harmonized System (HS, 6-digit) customs code of a product. Answer only from the nomenclature subheadings given in the message. If several codes remain possible, ask for the detail that separates them. If none fits, say so without giving a code from memory. End by citing the source."}, {"role": "user", "content": "Extract from the Harmonized System (EU Combined Nomenclature 2026):\n- 8712.00 – Bicycles and other cycles (including delivery tricycles), not motorised\n- 4418.11 – Builders' joinery and carpentry of wood, including cellular wood panels, assembled flooring panels, shingles and shakes — Windows, French windows and their frames — Of tropical wood\n- 4009.42 – Tubes, pipes and hoses, of vulcanised rubber other than hard rubber, with or without their fittings (for example, joints, elbows, flanges) — Reinforced or otherwise combined with other materials — With fittings\n- 0207.43 – Meat and edible offal, of the poultry of heading 0105, fresh, chilled or frozen — Of ducks — Fatty livers, fresh or chilled\n- 0306.16 – Crustaceans, whether in shell or not, live, fresh, chilled, frozen, dried, salted or in brine; smoked crustaceans, whether in shell or not, whether or not cooked before or during the smoking process; crustaceans, in shell, cooked by steaming or by boiling in water, whether or not chilled, frozen, dried, salted or in brine — Frozen — Cold-water shrimps and prawns (Pandalus spp., Crangon crangon)\n- 2835.22 – Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined — Phosphates — Of mono- or disodium\n\nProduct: “City bicycles without a motor.”"}, {"role": "assistant", "content": "HS code 8712.00: Bicycles and other cycles (including delivery tricycles), not motorised.\n\nSource: Harmonized System 2022, EU Combined Nomenclature 2026 (EU Vocabularies, CC BY 4.0)."}]}
{"messages": [{"role": "system", "content": "You assign the Harmonized System (HS, 6-digit) customs code of a product. Answer only from the nomenclature subheadings given in the message. If several codes remain possible, ask for the detail that separates them. If none fits, say so without giving a code from memory. End by citing the source."}, {"role": "user", "content": "Extract from the Harmonized System (EU Combined Nomenclature 2026):\n- 5205.42 – Cotton yarn (other than sewing thread), containing 85 % or more by weight of cotton, not put up for retail sale — Multiple (folded) or cabled yarn, of combed fibres — Measuring per single yarn less than 714,29 decitex but not less than 232,56 decitex (exceeding 14 metric number but not exceeding 43 metric number per single yarn)\n- 3827.90 – Mixtures containing halogenated derivatives of methane, ethane or propane, not elsewhere specified or included — Other\n- 8540.89 – Thermionic, cold cathode or photocathode valves and tubes (for example, vacuum or vapour or gas filled valves and tubes, mercury arc rectifying valves and tubes, cathode ray tubes, television camera tubes) — Other valves and tubes — Other\n- 2009.21 – Fruit or nut juices (including grape must and coconut water) and vegetable juices, unfermented and not containing added spirit, whether or not containing added sugar or other sweetening matter — Grapefruit juice; pomelo juice — Of a Brix value not exceeding 20\n- 8526.10 – Radar apparatus, radio navigational aid apparatus and radio remote control apparatus — Radar apparatus\n- 2605.00 – Cobalt ores and concentrates\n\nProduct: “How long does customs clearance take?”"}, {"role": "assistant", "content": "This information is not in the Harmonized System nomenclature, which classifies goods but gives no duty rates, VAT or lead times: I cannot answer from this source.\n\nSource: Harmonized System 2022, EU Combined Nomenclature 2026 (EU Vocabularies, CC BY 4.0)."}]}
{"messages": [{"role": "system", "content": "You assign the Harmonized System (HS, 6-digit) customs code of a product. Answer only from the nomenclature subheadings given in the message. If several codes remain possible, ask for the detail that separates them. If none fits, say so without giving a code from memory. End by citing the source."}, {"role": "user", "content": "Extract from the Harmonized System (EU Combined Nomenclature 2026):\n- 1501.10 – Pig fat (including lard) and poultry fat, other than that of heading 0209 or 1503 — Lard\n- 0307.82 – Molluscs, whether in shell or not, live, fresh, chilled, frozen, dried, salted or in brine; smoked molluscs, whether in shell or not, whether or not cooked before or during the smoking process — Abalone (Haliotis spp.) and stromboid conchs (Strombus spp.) — Live, fresh or chilled stromboid conchs (Strombus spp.)\n- 5806.39 – Narrow woven fabrics, other than goods of heading 5807; narrow fabrics consisting of warp without weft assembled by means of an adhesive (bolducs) — Other woven fabrics — Of other textile materials\n- 9003.19 – Frames and mountings for spectacles, goggles or the like, and parts thereof — Frames and mountings — Of other materials\n- 2910.50 – Epoxides, epoxyalcohols, epoxyphenols and epoxyethers, with a three-membered ring, and their halogenated, sulphonated, nitrated or nitrosated derivatives — Endrin (ISO)\n- 4601.29 – Plaits and similar products of plaiting materials, whether or not assembled into strips; plaiting materials, plaits and similar products of plaiting materials, bound together in parallel strands or woven, in sheet form, whether or not being finished articles (for example, mats, matting, screens) — Mats, matting and screens of vegetable materials — Other\n\nProduct: “Natural honey in jars.”"}, {"role": "assistant", "content": "No subheading in the extract matches this product: I cannot give its HS code without the right line of the nomenclature.\n\nSource: Harmonized System 2022, EU Combined Nomenclature 2026 (EU Vocabularies, CC BY 4.0)."}]}
{"messages": [{"role": "system", "content": "You assign the Harmonized System (HS, 6-digit) customs code of a product. Answer only from the nomenclature subheadings given in the message. If several codes remain possible, ask for the detail that separates them. If none fits, say so without giving a code from memory. End by citing the source."}, {"role": "user", "content": "Extract from the Harmonized System (EU Combined Nomenclature 2026):\n- 3923.21 – Articles for the conveyance or packing of goods, of plastics; stoppers, lids, caps and other closures, of plastics — Sacks and bags (including cones) — Of polymers of ethylene\n- 9607.20 – Slide fasteners and parts thereof — Parts\n- 3923.40 – Articles for the conveyance or packing of goods, of plastics; stoppers, lids, caps and other closures, of plastics — Spools, cops, bobbins and similar supports\n- 7409.40 – Copper plates, sheets and strip, of a thickness exceeding 0,15 mm — Of copper-nickel base alloys (cupro-nickel) or copper-nickel-zinc base alloys (nickel silver)\n- 3923.29 – Articles for the conveyance or packing of goods, of plastics; stoppers, lids, caps and other closures, of plastics — Sacks and bags (including cones) — Of other plastics\n- 3923.30 – Articles for the conveyance or packing of goods, of plastics; stoppers, lids, caps and other closures, of plastics — Carboys, bottles, flasks and similar articles\n\nProduct: “Empty plastic (PET) bottles.”"}, {"role": "assistant", "content": "HS code 3923.30: Articles for the conveyance or packing of goods, of plastics; stoppers, lids, caps and other closures, of plastics — Carboys, bottles, flasks and similar articles.\n\nSource: Harmonized System 2022, EU Combined Nomenclature 2026 (EU Vocabularies, CC BY 4.0)."}]}
{"messages": [{"role": "system", "content": "You assign the Harmonized System (HS, 6-digit) customs code of a product. Answer only from the nomenclature subheadings given in the message. If several codes remain possible, ask for the detail that sep
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