Insights

How AI Fits into Retail Inventory: A Practical View

By Helia Sohrabi, PhD

AI is now part of nearly every retail technology conversation. That does not mean every inventory problem needs an AI solution.

The useful question is not, "Where can we add AI?" It is:

Which decisions are difficult because history is limited, relationships are complex or important trade-offs take too long to evaluate?

Those are the places where AI can add real value.

Start with the decision, not the model

Retail inventory follows a familiar sequence: forecast demand, buy, allocate, replenish, mark down and learn. These decisions are already supported by planning systems, ERP platforms and years of institutional knowledge.

AI does not need to replace this sequence. It can improve specific decisions within it.

At the same time, AI should not be used to automate flawed logic or an inefficient workflow. It should create an opportunity to redesign the process so better information reaches the right decision earlier.

Not every forecast needs AI

A white T-shirt with years of stable sales history may need nothing more than a well-built seasonal forecast. Machine learning becomes more useful when seasonal patterns vary across products and locations or interact with promotions, launches and local events.

Even then, it should be tested against a simple seasonal baseline.

Fashion retail becomes more challenging when products are new, lifecycles are short and selling history does not exist. In these situations, machine learning can help categorize new items into relevant like-product groups using attributes such as category, price, silhouette, fabric, color, launch timing and channel.

Comparable products provide an initial demand signal. They do not eliminate uncertainty, but they give merchants and planners a stronger starting point that can be combined with their judgment.

Where AI can earn its keep

New-product forecasting

AI can identify patterns across large assortments and find comparable products more consistently than a planner working through thousands of items manually. This is particularly valuable in fashion, where much of each season may have little or no sales history.

Estimating demand hidden by stockouts

Recorded sales understate demand when a product was unavailable. Machine learning can help estimate potential lost sales using inventory availability, stockout timing, substitutions and patterns across similar products or stores.

The result is still an estimate and should be validated before it influences forecasting or inventory decisions.

Allocation and exception detection

AI can detect changes in store performance, channel demand and product behavior and surface the situations that need attention. Planners can then focus on the exceptions instead of reviewing every item and location.

The model provides a signal. Allocation decisions must still account for inventory availability, pack sizes, lead times, capacity and merchandising priorities.

Markdown and scenario planning

AI-enabled planning tools can combine demand estimates with simulation and optimization to compare markdown timing, discount depth, margin, sell-through and remaining inventory.

The same approach can help teams test inventory strategies before implementing them:

  • What happens if the buy is reduced by 15%?
  • What if more inventory is reserved for e-commerce?
  • How would a two-week delay affect availability and sell-through?

These tools make trade-offs more visible, but their outputs remain dependent on sound assumptions and reliable data.

What AI cannot fix

AI cannot compensate for unreliable inventory data, unclear decision ownership or processes that teams do not understand.

It is also unlikely to succeed if planners cannot see why a recommendation was made or do not trust it enough to act. Human judgment remains especially important for new products, unusual events and changes the historical data has never seen.

A grounded starting point

Begin with one decision, not an entire AI platform. Compare the proposed approach with a simpler baseline, involve the people who will use it and measure the business result.

AI's value is not making every forecast more sophisticated (and warming the planet along the way!). It is helping retailers make difficult decisions where history is missing, relationships are complex or important trade-offs need to be tested faster.

Found this useful?

Work through this with Helia

If your team is deciding where AI fits into forecasting, allocation or markdown planning, a focused diagnostic can identify where it can create value and where a simpler approach will work better.

Helia builds inventory solutions that grow with the business. Work with her through consulting, team workshops or speaking engagements.