AI article
Invoice-Check JP: A 3B Model Reads the Invoice, Checks Decide Whether to Trust It
Community description: A QLoRA-tuned 3B VLM reads Japanese invoices; registry, check-digit and tax checks auto-approve 86.8%, 0 of 461 wrong in a checked field (synthetic).
Dev.to | Oct 15, 2026 | Raihan
Automated excerpt
A QLoRA-tuned vision-language model extracts Japanese qualified invoices; a check digit, a registry lookup and tax arithmetic decide what gets automated. On synthetic invoices: 86. 8% auto-approved, and none of the approved invoices had a wrong field those checks can catch. The registry of valid numbers is public, a corporate number carries a check digit, and the tax is arithmetic.
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