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Cloud & DevOps

AWS vs Azure vs GCP: how to actually choose

Dhiren··7 min read
Sketch illustrating: AWS vs Azure vs GCP: how to actually choose

AWS, Azure, and GCP all run reliable, secure infrastructure at global scale, so the right choice usually isn't about which one is "best." It's about which one fits your existing tools, your team's skills, and your workload type. AWS wins on service breadth and hiring pool, Azure wins for Microsoft-native organizations, and GCP wins for data and ML-heavy workloads.

Why "which cloud is best" is the wrong question

Every major cloud provider can run a web app, store your data, and scale under load. The differences that actually matter show up in three places: what you already have (existing licenses, existing skills, existing vendor relationships), what you're building (a straightforward CRUD app versus a data pipeline versus a global consumer product), and who you can hire to run it. A team that picks a cloud based on a feature comparison chart, then discovers nobody on staff has touched it before, pays for that decision in ramp-up time far more than they save on any individual service.

That said, the three providers do have real, defensible strengths worth knowing before you commit.

Honest positioning of each provider

AWS has the broadest service catalog in the industry, close to 200 distinct services, and the largest available talent pool. If you need a niche managed service, AWS almost certainly has it, and you'll have an easier time hiring engineers who've used it in production. The tradeoff is that breadth comes with complexity. Newer teams sometimes get lost choosing between five overlapping ways to solve the same problem.

Azure is the strongest option for organizations already invested in Microsoft's ecosystem. Native integration with Active Directory, Microsoft 365, and .NET tooling means less custom glue code and fewer identity-management headaches. Azure has also become the default choice for regulated enterprises that already have Microsoft enterprise agreements in place, since bundling can meaningfully change the economics.

GCP stands out for data analytics and machine learning. BigQuery is genuinely best-in-class for large-scale analytical queries, and Google's internal AI research has translated into strong managed ML tooling through Vertex AI. GCP also tends to have simpler, more predictable networking pricing than the other two. Its weaker point is a smaller enterprise services catalog and a comparatively smaller hiring pool outside of data-heavy roles.

Comparison across the dimensions that matter

DimensionAWSAzureGCP
Service breadthBroadest, nearly 200 servicesBroad, strong enterprise/hybrid focusNarrower, but deep in data/ML
Pricing modelPay-as-you-go, complex discount tiers (Reserved, Savings Plans)Pay-as-you-go, strong with Enterprise Agreement bundlingPay-as-you-go, sustained-use discounts applied automatically
Best-fit scenarioGeneral-purpose workloads, startups to large enterprise, multi-service architecturesMicrosoft-stack orgs, hybrid cloud, regulated industriesData pipelines, analytics, ML/AI-heavy products
Talent poolLargest, easiest to hire forLarge, especially among .NET/enterprise engineersSmaller, concentrated in data engineering roles
Standout strengthBreadth and market maturityIdentity, hybrid, and Microsoft-native integrationBigQuery, Vertex AI, data infrastructure

A simple decision framework

Start with what you already run, not with a feature list. If your organization already runs on Windows Server, Active Directory, or Microsoft 365, Azure's integration savings usually outweigh any marginal advantage another provider offers on paper. If you're building a data-intensive product, ie. analytics dashboards, recommendation engines, anything involving large-scale querying, GCP's data tooling is worth the smaller talent pool. For everything else, especially if you expect to need niche managed services down the line or want the easiest hiring, AWS is the safer default.

The second question is talent. A technically superior platform your team can't staff for is worse than a "good enough" platform your team already knows. Check who's available to hire or contract before locking in a provider, not after.

None of these choices are permanent, but migrating clouds later is expensive, so getting an honest assessment upfront matters. A team offering cloud and DevOps services across all three providers can walk through your specific infrastructure and workload mix rather than pushing you toward whichever platform they're most comfortable with. If you already know your target platform, dedicated AWS development services, Azure development services, or GCP development services get you moving faster than a generalist team relearning the platform on your project.

The bottom line

There's no universally correct answer between AWS, Azure, and GCP. There's a correct answer for your existing infrastructure, your workload type, and your hiring reality. Map those three honestly before you compare feature lists, and the decision usually becomes obvious.

How the pricing models actually differ

List prices converge, but the discount mechanics shape real bills. AWS discounts through reserved instances and savings plans that reward one-to-three-year commitments. Azure leans on hybrid benefit, which lets existing Windows Server and SQL Server licenses cut cloud prices substantially, a decisive advantage for Microsoft-heavy shops. GCP applies sustained-use discounts automatically as monthly usage grows and offers committed-use discounts on top. The other line item everyone forgets is egress: moving data out of any cloud costs real money, and architectures that shuttle data between providers or regions pay for it monthly.

Multi-cloud: mostly a tax, occasionally a strategy

Running across two clouds sounds like insurance and usually performs like overhead: two sets of tooling, two security models, two on-call rotations, and engineers who are shallow in both instead of deep in one. The cases where it earns its cost are specific: a regulatory or customer requirement that dictates a second provider, an acquisition that arrives on another cloud, or a genuinely portable workload layer built on Kubernetes where the abstraction is already paid for. Absent one of those, picking one provider and going deep beats hedging.

If you ever need to move

Cloud choice feels permanent but does not have to be. The workloads that migrate easily are the ones built on containers, standard databases like PostgreSQL, and infrastructure-as-code. The ones that hurt are built on proprietary services with no direct equivalent. A practical middle path: use the provider's managed services freely where they save real engineering time, but keep the data layer on open engines and the deployment layer scripted, so the exit cost stays a project rather than a rewrite.

Credits, free tiers, and how startups actually choose

For early-stage companies the list price is often beside the point, because all three providers run aggressive startup programs with credits that can carry a small product for a year or more. That reality shapes the honest advice: if credits materially extend your runway, take them, build on standard engines, and revisit the choice when the credits end. The provider decision that matters is the one you make at scale, and by then your own usage data, not a comparison article, should drive it.

Support plans: the line item nobody quotes

Every provider's production-grade support tier costs real money, typically a percentage of monthly spend with a floor, and every team discovers this the first time a production incident meets a community-forum-only support plan. Budgeting support from day one is cheaper than buying it mid-outage. It also changes the comparison: a provider whose support has to be escalated through an account manager is a different product from one whose engineers join your incident call, and that difference never appears on a pricing page.

FAQ

Which cloud provider is cheapest, AWS, Azure, or GCP?
None of them is reliably cheapest across the board. List prices for compute and storage are close between all three, within about 10-15% of each other for equivalent instance types. The real cost difference comes from discount programs, existing licensing, and how well your workload fits each provider's pricing model, not the sticker price.
Should a company already using Microsoft tools pick Azure?
Usually, yes, unless there's a strong technical reason not to. If you're running Active Directory, Microsoft 365, or a large .NET codebase, Azure's native integration with those tools cuts real integration work. That advantage typically outweighs GCP or AWS being marginally cheaper or more feature-rich for a given service.
Is GCP actually better for AI and machine learning workloads?
GCP has a genuine edge for teams building custom ML pipelines or working with BigQuery-scale data, largely because Google's internal AI infrastructure (TPUs, Vertex AI) was built for exactly that. AWS and Azure have caught up substantially on managed AI services, so the gap matters most for teams doing heavy custom model training, not for teams calling a hosted API.
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