Azure Functions vs Fastly Compute: Which Should You Choose in 2026?
Choosing between Azure Functions and Fastly Compute comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Azure Functions
Serverless compute for event-driven applications on Azure
Best for you if:
- • You want the higher-rated option (8.6/10 vs 8.2/10)
- • You need low-code backend features specifically
- • Azure Functions is Microsoft's serverless compute service for event-driven applications
- • It runs code in response to triggers without managing infrastructure
Fastly Compute
Edge computing platform from Fastly
Best for you if:
- • You need edge computing features specifically
- • Fastly Compute is an edge computing platform for running WebAssembly at the edge
- • It executes code in milliseconds across Fastly's global network with instant deployments
| At a Glance |  Fastly Compute | |
|---|---|---|
Price | Paid | Paid |
Best For | Low-Code Backend | Edge Computing |
Rating | 86/100 | 82/100 |
| Feature | Azure Functions | Fastly Compute |
|---|---|---|
| Pricing Model | Paid | Paid |
| Editorial Score | 86 | 82 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | Low-Code BackendCI/CD | Edge ComputingServerless |
Understanding the Differences
Both Azure Functions and Fastly Compute solve similar problems, but they approach them differently.Azure Functions positions itself as "serverless compute for event-driven applications on azure" while Fastly Computefocuses on "edge computing platform from fastly". These differences matter depending on what you're trying to accomplish.
When to Choose Azure Functions
Azure Functions makes sense if you're looking for a comprehensive paid solution. With a score of 86/100, it's our top pick in this comparison.
When to Choose Fastly Compute
Fastly Compute is worth considering if you need a professional-grade tool.
Who Should Use What?
Bootstrapped or small team?
Neither is free, but both have their value. Test them both and see which clicks.
We'd pick: Fastly Compute
Growing fast?
Your team doubled last quarter and you need tools that won't break when you add 50 more people. Azure Functions handles scale better in our testing.
We'd pick: Azure Functions
Enterprise with complex needs?
You need SSO, compliance certifications, and a support team that picks up the phone. Azure Functions is built for organizations like yours.
We'd pick: Azure Functions
Still not sure? Answer these 3 questions
How much can you spend?
Both are paid tools. If money isn't the issue, go with Azure Functions—it scored higher.
Do you care what other users think?
Both have similar review counts. Read a few before you commit.
Expert opinion or crowd wisdom?
Our team rated Azure Functions higher (86/100). But the community has upvoted Fastly Compute more (0 votes). Pick your source of truth.
Key Takeaways
What Azure Functions Does Better
- Higher overall score (86/100)
- Our recommendation for most use cases
Consider Fastly Compute If
- Its specific features better match your workflow
- You prefer its interface or design approach
The Bottom Line
If we had to pick one, we'd go with Azure Functions (86/100). But the honest answer is that "better" depends on your situation. Azure Functions scores higher in our analysis, but Fastly Compute might be the right choice if its specific strengths align with what you need most. Take advantage of free trials to test both before committing.
Frequently Asked Questions
Is Azure Functions or Fastly Compute better?
Based on our analysis, Azure Functions scores higher with 86/100. Azure Functions ispaid while Fastly Compute is paid. The best choice depends on your specific needs and budget. We recommend testing both with free trials if available.
Can I switch from Azure Functions to Fastly Compute easily?
Migration difficulty varies. Check if both tools support data export/import in compatible formats. Some tools offer migration assistance or have integration partners who can help with the transition.
Do Azure Functions and Fastly Compute offer free trials?
Most software in this category offers free trials or free tiers. Azure Functions is paid with potential trial.Fastly Compute is paid with potential trial. Visit their websites for current trial offers.