We are asked this often enough to write it down. We build in both, which means we have no particular incentive to push you toward either, and the honest answer is that the decision is usually simpler than it is made to sound.
The question that decides it
Is the hard part the content, or the behaviour?
If the difficulty in your project is structured content — editorial workflow, translation, revisions, or many people publishing things under different permissions — that is Drupal. It has spent twenty years on exactly those problems, and you will spend months building a worse version of them in anything else.
If the difficulty is logic that a business runs on — pricing rules, stock movements, approvals, scheduling, integrations with systems designed in 1998 — that is Laravel. You want a framework that gets out of the way, not a content model to bend around your domain.
"We can build that ourselves" is not always an advantage
Developers like building things. That is not automatically useful to the customer.
If a mature platform already provides revision history, role-based permissions, media management and editorial workflow, rebuilding those because a custom implementation feels cleaner is difficult to justify. Every custom component carries a cost beyond its first implementation: testing, security review, upgrades, documentation, and somebody understanding it five years later.
The same argument runs in the other direction. Forcing an application with complicated business rules into a content management system, because the content management system already exists, creates its own long-term mess.
The administrative interface matters
Business systems usually have two interfaces: the polished one built for the people doing the main job, and everything behind it — configuration, reference data, users, permissions, reports and the occasional correction.
Drupal gives you a great deal of that second interface almost for free. With Laravel it is built deliberately, whether from first-party components, an administrative toolkit, or custom screens.
For a system whose administrators are constantly adjusting structured data, that difference can decide the whole question.
Integration does not choose for you
Both platforms expose APIs, consume services, use queues, authenticate against external identity providers and talk to databases. "It needs an API" is therefore not much of a selection criterion.
The useful questions are about ownership of behaviour and data. Is the system primarily publishing and managing entities, or executing a business process? Are revisions and editorial workflow central, or incidental? How bespoke is the domain logic?
Where people go wrong
The usual mistake is choosing Drupal because there will "also be a website". Almost every business system also has a website. That is not the hard part, and it is not worth accepting a content management system's assumptions to get it.
The opposite mistake is choosing Laravel for something that is genuinely a publishing operation, then spending the first year building a content editor, a media library, a preview mode and a revision history. All of those are solved problems you have now adopted as your own.
Sometimes the answer is both
There is no law requiring one framework to own an entire system. A Drupal site for the public content and a Laravel application for the operational side, sharing authentication and talking over an API, is a perfectly sensible architecture.
It costs more to run two things, so it should be a decision rather than a failure to make one.
What we will not tell you
That one of them is modern and the other is legacy. Both are actively developed, both have large hiring pools, and both will still be supported when your project is five years old.
We generally choose whichever platform needs the least unusual code to express the problem. Sometimes that is Drupal and sometimes it is Laravel, and the interesting engineering was never in winning the argument. It is in delivering something whose structure still makes sense when somebody has to change it years later.