Toutes nos fiches > The OPEX model, explained
Published on 12/22/2025

The OPEX model, in plain English
DEFINITION

OPEX, or operating expenditure, refers to all recurring costs necessary for the operation of the business: subscriptions, external services, maintenance, support, etc.

In the cloud sector, this corresponds to regular payments for the use of cloud resources and services.

CONTEXT AND USEFULNESS

By opting for an OPEX approach in the cloud, you transform your IT expenses into flexible and adjustable costs, without having to invest in hardware or long-term licences. Your organisation thus benefits from greater control over its budget and can scale its resources on demand, according to its changing needs and activity.

FEATURES OF THE OPEX MODELEXPLANATIONS
Cost typologyMonthly/annual subscriptions: servers, storage, networks, databases, software, security, backups, technical support, monitoring
Method of paymentPay-as-you-go or fixed subscription depending on the service: billing based on actual consumption and instant scaling capability
Flexibility and scalabilityEase of adding or removing resources, simplified management via portal or APIs, ideal for absorbing peaks or variations in activity
Impacts on managementConversion of investments into predictable regular expenses, reduction of fixed assets, alignment of costs with the value created by the business
CASE STUDIES

The OPEX approach is ideal for fast-growing companies, start-ups, organisations that need to adapt to high seasonality or fluctuating needs, or those that want to accelerate their digital projects without incurring heavy initial expenditure.

The OPEX cloud allows you to flexibly support the growth of your business while controlling risks and cash flow.

OUR STRENGTHS
  • Control and visibility: budget under control, transparent billing tailored to actual consumption.
  • Responsiveness: rapid adaptation of cloud capacities according to needs, without financial constraints.
  • Risk reduction: no commitment to equipment, elimination of obsolescence risk.
  • Facilitated innovation: the ability to easily test new tools or experiment with new markets without high initial costs.
  • Focus on core business: delegation of technical and infrastructure management to the cloud provider, freeing up internal resources

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