Build vs buy

Build vs. buy: should your bookkeeping tool parse receipts with a raw LLM call?

• ACJ Labs
• Engineering,Tax
• 25 Jul, 2026

Here's the honest version of the pitch first: if all you need is vendor, date, and total off a receipt, you should probably build it yourself. A single vision-model call — GPT-4o-mini, Gemini Flash —