Learn · Enterprise Planning

    What is S&OP?

    Sales & Operations Planning is the monthly process where sales, finance, and supply chain converge on one demand plan and one supply plan. It exists because building a trusted company-wide plan used to take weeks of manual effort — which is exactly the assumption AI agents are now breaking.

    The five classic steps

    1. Product review — what's launching, what's being killed, portfolio changes.
    2. Demand review — statistical forecast + sales/marketing intelligence merged into one consensus demand plan.
    3. Supply review — capacity, materials, and supplier reality-check against that demand.
    4. Pre-S&OP — reconcile gaps, price the trade-offs in financial terms.
    5. Executive S&OP — leadership decides among the trade-offs; the plan becomes THE plan.

    One full cycle typically consumes most of a month across dozens of people — which is why the plan is always at least a month stale by the time it's approved.

    The problem: cadence vs reality

    Demand doesn't move monthly. A competitor reprices, a port slips, a product goes viral — and the consensus plan built three weeks ago quietly diverges from reality until the next cycle catches it. Most S&OP pain isn't the meetings; it's that the plan is a snapshot pretending to be a film. The underlying decision loop it governs is demand planning — and that loop is what has to speed up.

    S&OP with AI agents

    Yeer's approach: agents maintain the plan continuously — a Demand Sensing Agent updating forecasts up to hourly from market signals, Safety Stock and Network Rebalance Agents keeping buffers and inventory placement current, and a Simulation Engine pricing the trade-offs before the meeting. The monthly session still happens — but it reviews drafted, explained decisions instead of manufacturing the numbers. That's the difference between Yeer and the traditional suites — see Yeer vs o9, vs Blue Yonder, and vs RELEX.

    Frequently asked questions

    What is S&OP?

    Sales & Operations Planning is the recurring (usually monthly) process where sales, marketing, finance, and supply chain agree on one demand plan and one supply plan — so the company commits to a single set of numbers instead of five departmental spreadsheets.

    What are the steps of the S&OP process?

    The classic five: (1) product review, (2) demand review — build the consensus forecast, (3) supply review — can we make/buy it, (4) pre-S&OP reconciliation of gaps and finances, (5) executive S&OP where trade-offs are decided. One cycle typically takes most of a month.

    What's the difference between S&OP and demand planning?

    Demand planning produces the forecast and inventory decisions; S&OP is the governance wrapper that aligns that plan with supply capacity and financial targets across departments. Small teams effectively do S&OP in one head; enterprises need the formal process.

    What software is used for S&OP?

    Traditionally the enterprise planning suites — o9 Solutions, Blue Yonder, RELEX, Kinaxis, SAP IBP. The emerging alternative is AI-agent platforms like Yeer, where agents maintain the demand and supply picture continuously and the monthly meeting reviews decisions instead of building the plan.

    What does AI change about S&OP?

    The monthly cycle exists because assembling one trusted plan used to take weeks of human effort. When agents keep forecasts, buffers, and rebalancing current continuously — with explanations — the cycle time collapses: the meeting shifts from 'what are the numbers?' to 'approve or adjust the drafted decisions.'

    See what continuous planning looks like

    We'll run Yeer's agents on your data and show the drafted decisions next to your current cycle's plan.

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