Leyre Lladó Vall · F2025-1476

Verdict
Cheapest without an error: GPT-6 Luna at $0.56 per 1,000 documents.
- Claude Sonnet 5 is also error-free but 15.8× more expensive.
- Mistral Small 4 is 1× cheaper, but: invented value (VAT ID).
Prompt given to every model
Extraiga del documento adjunto los siguientes datos y devuelva exclusivamente un JSON con estas claves:
supplier_name Nombre o razón social del emisor de la factura (exactamente como figura en el documento, incluidos acentos y forma jurídica)
supplier_id NIF del emisor (en empresas también llamado CIF, p. ej. B12345674; en autónomos, DNI con letra), sin el prefijo de país «ES»
vat_id NIF-IVA (número de IVA intracomunitario, «ES» + NIF) del emisor, solo si figura como tal en el documento
invoice_number Número de factura (o del documento)
payment_reference Concepto o referencia que debe indicarse al realizar el pago
issue_date Fecha de expedición de la factura (YYYY-MM-DD)
tax_point_date Fecha de operación (fecha de devengo del IVA) (YYYY-MM-DD)
due_date Fecha de vencimiento (YYYY-MM-DD)
net_by_rate Base imponible por tipo de IVA, p. ej. {"21": 18450.00, "10": 1200.00}
vat_by_rate Cuota de IVA por tipo, p. ej. {"21": 3874.50}
total Importe total de la factura / importe a pagar (número, negativo en facturas rectificativas que abonan un importe)
currency Moneda según ISO 4217 (EUR, USD, …)
bank_account IBAN del emisor
Reglas:
- No devuelva datos del cliente (destinatario), solo los del emisor.
- Si un dato no figura en el documento, devuelva null. No invente nada.
- Si el documento no contiene desglose del IVA (operación exenta, factura proforma), devuelva net_by_rate y vat_by_rate como null.
- Importes como números con punto decimal, sin separadores de miles y sin moneda.
How we score
Exact match per field after normalising dates, amounts and whitespace. Missing diacritics count as an error. Cost is the real token spend of this run, converted at the rate shown in the footer.
What each model extracted
| Field | Correct value | Mistral Small 410 / 13 fields | GPT-6 Luna13 / 13 fields | Gemini 3.5 Flash Lite12 / 13 fields | Qwen3.8 Flash12 / 13 fields | DeepSeek V4.1 Flash12 / 13 fields | Mistral Medium 3.512 / 13 fields | Gemini 3.8 Flash13 / 13 fields | Claude Sonnet 513 / 13 fields | GPT-6 Sol12 / 13 fields |
|---|---|---|---|---|---|---|---|---|---|---|
| Supplier | Leyre Lladó Vall | Leyre Lladó Vall (correct) | Leyre Lladó Vall (correct) | Leyre Lladó Vall (correct) | Leyre Lladó Vall (correct) | Leyre Lladó Vall (correct) | Leyre Lladó Vall (correct) | Leyre Lladó Vall (correct) | Leyre Lladó Vall (correct) | Leyre Ladó Vallwrong value |
| Supplier ID (EIN, IČO…) | 85529544L | 85529544L (correct) | 85529544-L (correct) | 85529544-L (correct) | 85529544-L (correct) | 85529544-L (correct) | 85529544L (correct) | 85529544-L (correct) | 85529544-L (correct) | 85529544L (correct) |
| VAT ID | — | ES85529544Linvented value | — (correct) | — (correct) | — (correct) | — (correct) | — (correct) | — (correct) | — (correct) | — (correct) |
| Invoice number | F2025-1476 | F2025-1476 (correct) | F2025-1476 (correct) | F2025-1476 (correct) | F2025-1476 (correct) | F2025-1476 (correct) | F2025-1476 (correct) | F2025-1476 (correct) | F2025-1476 (correct) | F2025-1476 (correct) |
| Payment reference | — | 4548118187invented value | — (correct) | 4548118187invented value | 4548118187invented value | 4548118187invented value | 4548118187invented value | — (correct) | — (correct) | — (correct) |
| Invoice date | 2025-11-18 | 2025-11-18 (correct) | 2025-11-18 (correct) | 2025-11-18 (correct) | 2025-11-18 (correct) | 2025-11-18 (correct) | 2025-11-18 (correct) | 2025-11-18 (correct) | 2025-11-18 (correct) | 2025-11-18 (correct) |
| Tax point | 2025-11-18 | 2025-12-02swapped dates | 2025-11-18 (correct) | 2025-11-18 (correct) | 2025-11-18 (correct) | 2025-11-18 (correct) | 2025-11-18 (correct) | 2025-11-18 (correct) | 2025-11-18 (correct) | 2025-11-18 (correct) |
| Due date | 2025-12-02 | 2025-12-02 (correct) | 2025-12-02 (correct) | 2025-12-02 (correct) | 2025-12-02 (correct) | 2025-12-02 (correct) | 2025-12-02 (correct) | 2025-12-02 (correct) | 2025-12-02 (correct) | 2025-12-02 (correct) |
| Net by tax rate | 10 %: 666.57, 21 %: 1952.36 | 10 %: 666.57, 21 %: 1952.36 (correct) | 10 %: 666.57, 21 %: 1952.36 (correct) | 10 %: 666.57, 21 %: 1952.36 (correct) | 10 %: 666.57, 21 %: 1952.36 (correct) | 10 %: 666.57, 21 %: 1952.36 (correct) | 10 %: 666.57, 21 %: 1952.36 (correct) | 10 %: 666.57, 21 %: 1952.36 (correct) | 10 %: 666.57, 21 %: 1952.36 (correct) | 10 %: 666.57, 21 %: 1952.36 (correct) |
| Tax by rate | 10 %: 66.66, 21 %: 410.00 | 10 %: 66.66, 21 %: 410.00 (correct) | 10 %: 66.66, 21 %: 410.00 (correct) | 10 %: 66.66, 21 %: 410.00 (correct) | 10 %: 66.66, 21 %: 410.00 (correct) | 10 %: 66.66, 21 %: 410.00 (correct) | 10 %: 66.66, 21 %: 410.00 (correct) | 10 %: 66.66, 21 %: 410.00 (correct) | 10 %: 66.66, 21 %: 410.00 (correct) | 10 %: 66.66, 21 %: 410.00 (correct) |
| Total | 3095.59 | 3095.59 (correct) | 3095.59 (correct) | 3095.59 (correct) | 3095.59 (correct) | 3095.59 (correct) | 3095.59 (correct) | 3095.59 (correct) | 3095.59 (correct) | 3095.59 (correct) |
| Currency | EUR | EUR (correct) | EUR (correct) | EUR (correct) | EUR (correct) | EUR (correct) | EUR (correct) | EUR (correct) | EUR (correct) | EUR (correct) |
| Bank account | ES5000732302517326069716 | ES5000732302517326069716 (correct) | ES5000732302517326069716 (correct) | ES50 0073 2302 5173 2606 9716 (correct) | ES50 0073 2302 5173 2606 9716 (correct) | ES50 0073 2302 5173 2606 9716 (correct) | ES5000732302517326069716 (correct) | ES5000732302517326069716 (correct) | ES50 0073 2302 5173 2606 9716 (correct) | ES50 0073 2302 5173 2606 9716 (correct) |
| Tokens | input / output | 2,759 / 232 | 2,796 / 424 | 1,555 / 282 | 2,656 / 3,065 | 1,741 / 3,021 | 2,759 / 222 | 1,555 / 1,354 | 3,158 / 253 | 2,796 / 331 |
| of which hidden reasoning | billed as output | 0 | 287 | 0 | 2,794 | 2,504 | 0 | 1,087 | 0 | 187 |
| of which from cache | input billed at a discount | 0 | 0 | 0 | 2,432 | 792 | 0 | 0 | 0 | 0 |
| Cost of this document | this run | $0.0006 | $0.0006 | $0.0012 | $0.0037 | $0.0051 | $0.0058 | $0.0062 | $0.0088 | $0.0103 |
| Per 1,000 documents | for the same kind of document | $0.55 | $0.56 | $1.17 | $3.71 | $5.09 | $5.80 | $6.24 | $8.85 | $10.30 |
| Latency | this run | 2.8 s | 5.5 s | 1.5 s | 47.3 s | 34.6 s | 3 s | 6 s | 3.7 s | 6.9 s |