SAP S/4HANA deployment models in 2026

SAP sells S/4HANA through five deployment models in 2026. The technology overlaps, but the control you keep and the price you pay diverge sharply across them.

What are the SAP S/4HANA deployment models in 2026?

SAP offers five paths. They share the same core product but differ on who operates it and how much you can change. SAP sets out the product on its S/4HANA product page.

What is S/4HANA on premises?

A perpetual license you run in your own data center or your own cloud tenancy. Maximum control, maximum responsibility, and the HANA database is your cost to license and operate.

What is Private Cloud Edition?

A single tenant, SAP managed subscription on a hyperscaler. You keep the ability to modify the SAP namespace, but SAP runs the basis layer.

What is Public Cloud Edition?

A multi tenant, SAP managed subscription. The fastest to adopt and the most standardized, but custom logic must run as side by side extensions on SAP BTP.

• On premises: you own the license, the database, and operations.
• Private Cloud Edition: single tenant, SAP managed, namespace open.
• Public Cloud Edition: multi tenant, SAP managed, extension only.

How do the deployment models compare on cost and control?

The trade is consistent. As SAP takes on more operations, you gain speed and lose configuration freedom. Map your customization need before you choose.

How does RISE relate to PCE and Public Cloud?

RISE is not a sixth product. It is a commercial wrapper around PCE or Public Cloud that adds the HANA database, hyperscaler capacity, managed basis, and BTP credits into one subscription line.

Where does GROW with SAP fit?

GROW packages Public Cloud Edition for net new mid market customers. SAP positions it on the GROW with SAP page. It is not a route for a complex existing estate.

Where the common advice on S/4HANA deployment is wrong

The common advice is that Public Cloud is the default destination because it is the most standardized and the cheapest to run. We disagree. In most decisions we have advised on, steering a complex estate to Public Cloud forced 20 to 40 percent rework to refit custom logic into side by side extensions. The cheaper run rate was erased by the migration cost. The buyer side move is to size your real customization first. If you genuinely run standard processes, Public Cloud wins. If you do not, Private Cloud Edition protects both your code and your leverage.

40 to 50

Deployment decisions advised

20 to 40%

Rework when model misfit

10 to 20%

RISE bundle premium

Source: Redress Compliance advisory engagement file, 2024 to 2025.

The deployment model is a customization decision wearing a cost label. Count the custom objects first.

How should a buyer choose between RISE, PCE, and Public Cloud?

Start from your process and code reality, not from the sales narrative. Three questions decide most cases.

How much custom code do you really run?

Inventory your custom objects and the processes they support. High custom load points to PCE or on premises. A clean, standard footprint points to Public Cloud or GROW.

Which model keeps your negotiation leverage?

Models where you hold the hyperscaler contract or the license keep more leverage. A full bundle trades leverage for convenience, so price that trade openly.

• Keep leverage: on premises or standalone PCE with your own hyperscaler deal.
• Trade leverage: RISE bundles it into one line you renegotiate as a whole.
• Least leverage: multi tenant Public Cloud, where terms are the most standardized.

What does each model mean for migration and lock in?

Migration effort and lock in track the same axis as control. The more standardized the target, the cleaner the migration but the harder the future switch.

Brownfield, greenfield, or hybrid?

A brownfield conversion preserves history and custom logic and suits PCE. A greenfield rebuild suits Public Cloud and GROW. A hybrid selective approach splits the difference at higher project cost.

How much lock in does each model create?

Public Cloud creates the most through standardization and extension only development. On premises creates the least. Weigh the exit before you commit, because the model you pick shapes the next decade.

What to do next

1. Inventory your custom objects and the processes they support.
2. Match real customization need to the model, not the sales pitch.
3. Price RISE against the sum of the parts on a hyperscaler.
4. Decide whether to hold the hyperscaler contract yourself.
5. Model brownfield versus greenfield migration cost honestly.
6. Fix exit and true down terms before signing any subscription.
7. Benchmark the final proposal against comparable estates.

Frequently asked questions

What are the five S/4HANA deployment models in 2026?

The five paths are on premises with a perpetual license, Private Cloud Edition as a single tenant SAP managed subscription, Public Cloud Edition as a multi tenant subscription, RISE as a bundle wrapping either edition, and GROW for net new mid market customers.

What is the difference between RISE and a standalone PCE deployment?

RISE wraps PCE, the HANA database, hyperscaler capacity, managed basis, and BTP credits into one subscription line. Standalone PCE is the same managed S/4HANA, but you bring the hyperscaler contract and pay separately for managed services.

Can a customer modify SAP standard code on Public Cloud?

No. Public Cloud Edition and GROW limit you to extensions. Custom logic must run as side by side extensions on SAP BTP, while Private Cloud Edition and on premises both allow modifications inside the SAP namespace.

What is GROW with SAP?

GROW packages Public Cloud Edition for net new mid market customers. It is a standardized, fast adoption path with extension only development, and it is not intended for a complex existing estate with heavy customization.

Which deployment model is cheapest to run?

Public Cloud usually has the lowest run rate because it is the most standardized. That advantage can be erased by migration rework if your estate is heavily customized, so compare total cost over five years rather than run rate alone.

Which model keeps the most negotiation leverage?

Models where you hold the license or the hyperscaler contract keep the most leverage. On premises and standalone PCE preserve it, while a full RISE bundle trades leverage for convenience by combining everything into one renegotiated line.

Is on premises S/4HANA still available in 2026?

Yes. On premises remains available as a perpetual license you operate yourself. It offers full code freedom but carries the maintenance and HANA database cost, which buyers often underestimate over a five year horizon.

How do I choose between the models?

Start from your real customization and process standardization, not the sales narrative. Inventory custom objects, weigh leverage and lock in, price RISE against the parts, and benchmark before committing to any single model.