All three can run your app. The real differences that matter for a startup are less about raw features and more about pricing predictability, ecosystem, and what your team already knows.

Every cloud provider comparison eventually turns into a feature-by-feature spreadsheet, and for a startup, that's mostly the wrong way to make this decision. All three major providers can run essentially any application you'd build in 2026. The real question is which one fits your team, your budget predictability, and your product's specific shape.
AWS remains the largest and most mature of the three, and that maturity shows up in two practical ways: the widest range of managed services (there's almost always an AWS service that does exactly what you need, even for unusual requirements), and the deepest hiring pool of engineers who already know it.
The tradeoff is genuine complexity. AWS's breadth means there are often four different ways to solve the same problem, and choosing wrong can mean re-architecting later. Pricing is also notoriously easy to misconfigure — a forgotten resource or an inefficient query pattern can quietly become an expensive line item before anyone notices.
Best fit: teams with at least one engineer who has real AWS experience, or teams building something with unusual infrastructure needs where AWS's sheer service breadth is worth the complexity tax.
Google Cloud's genuine differentiator is its data and AI tooling — if your product leans heavily on machine learning, BigQuery-style analytics, or you specifically want tight integration with Google's AI models, GCP often has a more coherent, less-cobbled-together experience than the equivalent AWS setup.
Its general-purpose application hosting is perfectly capable, but the ecosystem and community knowledge base is smaller than AWS's — when something goes wrong at 11pm, there are simply more Stack Overflow answers and blog posts describing the AWS version of your problem.
Best fit: products where AI/ML or heavy data analytics is the actual core of the business, not a bolted-on feature.
Azure's strongest case is integration with the Microsoft ecosystem — if your company or your customers are already deep in Microsoft 365, Active Directory, or .NET, Azure often removes friction that would otherwise need custom bridging on another provider.
For a startup with no existing Microsoft footprint, this advantage mostly doesn't apply, and Azure doesn't have a strong differentiated pull outside of it for a typical early-stage product.
Best fit: teams already operating inside the Microsoft ecosystem, or building specifically for enterprise customers who require it.
For most early-stage products, the differences between these three at the level of "can it run my Node.js app with a database behind it" are small enough that they shouldn't be the deciding factor. What should be:
What does your team already know? Relearning cloud infrastructure fundamentals while also trying to ship a product is a real cost, even if it's not a line item on an invoice. If someone on your team already has deep AWS experience, that experience is worth more than a theoretical edge another provider might have on paper.
How predictable is your pricing going to be? All three providers can surprise you with a bill if you're not watching resource usage carefully. The mitigation isn't "pick the cheaper provider" — pricing varies by workload and is genuinely hard to compare apples-to-apples — it's setting up billing alerts and reviewing usage regularly, on whichever provider you choose.
Does your product have a genuine reason to favor one? Heavy AI/ML work points toward Google Cloud. Deep Microsoft ecosystem integration points toward Azure. Everything else — which is most products — is a reasonable fit for any of the three, including AWS's broad, well-documented default.
For a typical startup building a standard web or mobile product with a REST API and a database behind it, AWS remains the safest default: the largest talent pool to hire from later, the most third-party tooling built around it, and the most documentation when something breaks. That's not because AWS is technically superior in every dimension — it's because for most products, the provider matters less than the discipline of how you use it, and AWS gives you the most support in building that discipline.