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Google Cloud Free: Two Different Free Options That Are Often Confused
“Free” on Google Cloud does not mean just one thing — there is a trial credit that expires after 90 days and a permanent free tier with strict limits. Knowing the difference can help prevent unexpected charges.
Google Cloud Platform (GCP) offers ways to try its services without paying upfront, allowing you to experiment, learn, and build small-scale applications without taking on significant financial risk. However, “free” on GCP is actually divided into two options with different rules: Free Trial ($300 in credits valid for 90 days) and Always Free (a permanent free tier with limited quotas for individual services). This article explains both options in detail so you can clearly understand what is actually free and how long the benefits last.
$300Free Trial credit, valid for 90 days
PermanentAlways Free — free quotas with no expiration date
20+Products offering Always Free quotas
3 RegionsFree VM locations: us-west1/us-central1/us-east1
Free Trial: $300 Credit for 90 Days
When you sign up for a new account, you receive $300 in welcome credits valid for 90 days to try almost all GCP services, including services that exceed the Always Free quotas. You still need to provide payment details for verification, but you will not be charged unless you intentionally upgrade to a paid account. During the trial period, there are several restrictions to be aware of: you cannot add GPUs to VM instances, request quota increases, access Google Cloud Marketplace, or use trial credits for certain premium generative AI models offered through managed APIs.
Always Free: Permanent Free Quotas by Service
Unlike the Free Trial, which has an expiration period, Always Free provides monthly free quotas that continue as long as you stay within the applicable limits — without requiring an account upgrade. Here are several Always Free quotas that are particularly relevant for beginners:
| Service | Monthly Free Quota | Notes |
|---|---|---|
| Compute Engine | 1 e2-micro VM + 30GB persistent disk | Only in us-west1/us-central1/us-east1 regions |
| Cloud Storage | 5GB Standard storage | Suitable for static assets and small images |
| Cloud Run | 2 million requests/month | Charges apply when handling requests beyond the applicable free quota |
| BigQuery | 1TB of queried data/month | Free storage quota is separate |
| Firestore | 1GB storage, 50,000 reads/20,000 writes per day | Operation quotas can be restrictive for active applications |
Tips to Avoid Unexpected Charges
- Understand quotas at the billing-account level, not per project — if you have multiple projects under the same billing account, Always Free quotas such as one e2-micro VM are shared rather than granted separately for each project.
- Pay attention to network egress costs — sending data to the public internet can incur charges even when the underlying storage service itself remains within a free quota.
- Set up a budget alert in Google Cloud Console so you receive notifications before spending approaches the limit you define.
- Double-check the region when creating a free VM — choosing a region outside the supported Always Free regions means the VM may be billed at standard rates instead of being free.
- Delete unused resources — instances and other resources that remain active can continue consuming quotas or generating charges even when you are not actively using them.
Core Services You Can Try for Free
Several core GCP services are relevant for exploring the platform through the free options above: Compute Engine for virtual machines, App Engine for managed web applications, Cloud Functions for serverless code execution, Cloud Storage for object storage, BigQuery for large-scale data analytics, and Google Kubernetes Engine for containerized applications. Each service has a different learning curve. Cloud Functions and Cloud Run are generally among the fastest to experiment with because they are serverless and do not require traditional server configuration, while Compute Engine and GKE require a basic understanding of server administration and container orchestration.
Analysis: When Is the Free Quota Enough, and When Should You Upgrade?
The Always Free quotas are designed to be sufficient for learning and small projects, but they have real limitations that make them less suitable for serious production workloads. For example, a single free e2-micro VM has limited resources, and restrictive Firestore operation quotas can be consumed quickly by an application with significant daily activity. For people who are serious about learning cloud computing or running lightweight personal projects, combining Always Free with the initial Free Trial can be enough to understand the GCP ecosystem without spending money. However, once your project begins receiving real traffic or requires more resources than the free tier provides, it is time to calculate the actual cost and move to a paid usage model based on your requirements.
A common strategy among cloud computing learners is to use the Free Trial period for intensive experimentation with multiple services, including services outside the Always Free quota, to gain a broader understanding of the GCP ecosystem during the 90-day period. After the trial credits are exhausted, usage can then be reduced to resources that remain within the Always Free limits if you are not yet ready to pay. This gradual approach helps maximize the value of the trial credits without immediately committing to additional spending when the trial period ends.
After understanding the free options, continue with How to Create a VPS on Google Cloud Platform for hands-on practice, or check the latest official quota details at cloud.google.com/free.
FAQ
Will my credit card automatically be charged after the 90-day Free Trial ends?
Not automatically. You must intentionally upgrade to a paid account. Otherwise, access to services outside the Always Free tier will be restricted after the trial credits or trial period ends.
Does Always Free apply forever without any conditions?
It remains available as long as you stay within the specified monthly quotas and use supported configurations, such as eligible regions for free VM resources. Google may also change the terms and policies of the free tier over time.
Can I run a production website using only the Always Free quota?
It may be possible for a website with very low traffic. However, the free e2-micro VM has limited resources, so production workloads with meaningful traffic should generally budget for additional costs.
What cannot be done during the Free Trial?
Some restrictions include being unable to add GPUs to VM instances, request quota increases, access Google Cloud Marketplace, and use trial credits for certain premium generative AI models.
Are Always Free quotas allocated per project or per account?
They are generally associated with the billing account and applicable service limits. If you create multiple projects under the same billing account, free quotas such as the e2-micro VM allowance are not simply multiplied for every new project.
Conclusion
Google Cloud provides two different ways to try its services without upfront costs: a Free Trial with $300 in credits for 90 days for broader exploration, and Always Free with permanent but limited quotas for individual services. Understanding the difference between the two — including regional restrictions for free VM resources and quotas that are not automatically multiplied for every project — is essential for avoiding unexpected charges later. Use both options strategically for learning and small projects, but recalculate your real infrastructure costs once your project begins receiving meaningful production traffic.
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