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A practical guide to using AI for restaurant inventory counts, par levels, vendor orders, and invoice price checks, with prompts and a weekly routine.
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Inventory and ordering eat hours every week, and mistakes cost money in both directions. Over-order and you throw out produce. Under-order and you 86 a best seller on Saturday morning. Miss a vendor's cutoff and you're running to the store at retail prices. Meanwhile, small price increases on invoices quietly push your food cost up a point or two before anyone notices.
AI won't count your walk-in for you, but it's very good at the paperwork around counting: comparing counts to pars, drafting orders by vendor, reminding you of cutoffs, and catching price creep on invoices. Here's how to set it up with a general assistant like ChatGPT, Gemini, Claude, or Copilot, with no new software.
Everything depends on a good par sheet: each item, its unit (case, pound, each), the vendor, the case size, and the par for each order day. If you don't have one, ask AI to build it from last month's invoices:
Here are my last 4 weeks of invoices from [vendors]: [paste or upload]. Build a par sheet table with item, vendor, unit, case size, and average weekly usage. Suggest a par for each order day assuming deliveries on [days] and a safety buffer of [15]%. Mark any item you're unsure about.
Review the suggested pars with your kitchen manager. You know your Saturday rush better than any spreadsheet.
On order day, someone still counts. They can type counts into a note, read them into a voice memo, or snap photos of a count sheet. Then:
Here's today's count: [paste]. Using my par sheet, calculate order quantity = par minus count, rounded up to the case size. Return one table per vendor. Flag anything at zero, anything where the count is above par (possible over-order last time), and anything that's not on the par sheet.
You review the table, fix anything odd, and place the order through your vendor's portal or rep as usual. The AI doesn't place orders. You do.
List each vendor's order day and cutoff time, then have your assistant or calendar send you a checklist on order mornings. See the vendor ordering reminders playbook for a simple setup.
Once a week, paste or upload your invoices and ask:
Compare this week's invoice prices to my last 4 weeks. List every item up more than 5%, with the old unit price, new unit price, and estimated monthly cost impact based on my usage. Sort by biggest dollar impact. Suggest one alternative (another vendor, pack size, or substitute) for the top 3.
That one report often pays for the whole effort. When a key item jumps, re-check the plate cost of every dish that uses it with our food cost calculator, and adjust prices with the menu price calculator if you need to.
Your real food cost is (beginning inventory + purchases − ending inventory) ÷ food sales. Paste your counts, invoice totals, and POS food sales into the assistant each week and ask for food cost %, the change from last week, and the three items that drove the change. Over a month you'll see patterns: a weekend over-prep habit, a waste problem on one station, a vendor creeping up.
If you run several locations, have hundreds of SKUs, or want invoices scanned automatically into your accounting, dedicated inventory and invoice tools are worth it. Many now have AI built in. Start with the routine above first. You'll know exactly which features you need, and you won't pay for the rest.
5 copy-paste AI bots for reviews, ordering, Monday numbers, social posts, and catering quotes.
AI can't count your shelves, but it can compare counts to par levels, draft orders by vendor, flag zero-stock items, and catch invoice price increases. Someone still counts, and the owner or manager approves every order.
Order quantity equals par level minus current count, rounded up to the vendor's case size. Set pars from average usage between deliveries plus a safety buffer.
Keep AI on drafts. Review and place orders yourself, and never share vendor portal passwords or payment information with an AI tool.