Comparison

Azure Functions vs Fastly Compute

On the evidence we track, Fastly Compute leads this comparison with a composite score of 62/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Azure Functions full profile →Fastly Compute full profile →

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Azure Functions40

★Fastly Compute62

Attribute comparison across 2 tools
Attribute	Azure Functions	Fastly ComputeLeader
Vioscale score	40 / 100low · 32%updating	62 / 100medium · 54%updating
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	freemium	commercial
Price levelpricing.price_level	unknown	low
Transparentpricing.transparent	-	✓
Security
Gdprsecurity.gdpr	-	✓
Vulnerabilitiessecurity.vulnerabilities	-	Count: 2 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40fastly%2Fjs-compute&per_page=100 · Last 12m: 0 · Max severity: HIGH
Reliability
Status pagereliability.status_page	✓	✓
Adoption
Dependent reposadoption.dependent_repos	-	65
Github starsadoption.github_stars	-	226
Package downloads weeklyadoption.package_downloads_weekly	-	510,239
Activity
Commits last 30dactivity.commits_last_30d	-	39
Release
Cadence daysrelease.cadence_days	-	4
Historyrelease.history	-	20 items
License
Spdxlicense.spdx	-	Apache-2.0
Language
Primarylanguage.primary	-	JavaScript
Market
Availabilitymarket.availability	-	Available worldwide

Score

Vioscale score

Azure Functions40 / 100low · 32%updating

Fastly Compute62 / 100medium · 54%updating

Pricing

Free tier

Azure Functions✓

Fastly Compute✓

Model

Azure Functionsfreemium

Fastly Computecommercial

Price level

Azure Functionsunknown

Fastly Computelow

Transparent

Azure Functions–

Fastly Compute✓

Security

Gdpr

Azure Functions–

Fastly Compute✓

Vulnerabilities

Azure Functions–

Fastly ComputeCount: 2 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40fastly%2Fjs-compute&per_page=100 · Last 12m: 0 · Max severity: HIGH

Reliability

Status page

Azure Functions✓

Fastly Compute✓

Adoption

Dependent repos

Azure Functions–

Fastly Compute65

Github stars

Azure Functions–

Fastly Compute226

Package downloads weekly

Azure Functions–

Fastly Compute510,239

Activity

Commits last 30d

Azure Functions–

Fastly Compute39

Release

Cadence days

Azure Functions–

Fastly Compute4

History

Azure Functions–

Fastly Compute20 items

License

Spdx

Azure Functions–

Fastly ComputeApache-2.0

Language

Primary

Azure Functions–

Fastly ComputeJavaScript

Market

Availability

Azure Functions–

Fastly ComputeAvailable worldwide

Capabilities

Feature-by-feature on the axes that matter for serverless & edge platforms. “-” means undocumented, not absent.

Capability comparison for Serverless & Edge Platforms
Capability	Azure Functions	Fastly Compute
Core
Execution substrate	-	WASM
Language / runtime breadth	.NET, Java, Python, Node.js, and additional languages supported	JavaScript, with WebAssembly runtime support
Reach
Runs at global edge PoPs	-	✓
Scale
Scale to zero	-	-
Performance
Cold-start profile	-	Low
Limits
Max execution duration	-	-
Integration
Event source breadth	-	-
HTTP endpoint trigger	-	✓
Cron / scheduled invocations	-	-
State
Durable state / workflow primitive	-	-
Flexibility
Bring-your-own runtime / container	-	-
Deployment
Hosting	Cloud only	Cloud only
Ops
Built-in logs / metrics / tracing	✓	-
Extensibility
CLI + IaC / framework support	-	✓

Core

Execution substrate

Azure Functions-

Fastly ComputeWASM

Language / runtime breadth

Azure Functions.NET, Java, Python, Node.js, and additional languages supported

Fastly ComputeJavaScript, with WebAssembly runtime support

Reach

Runs at global edge PoPs

Azure Functions-

Fastly Compute✓

Scale

Scale to zero

Azure Functions-

Fastly Compute-

Performance

Cold-start profile

Azure Functions-

Fastly ComputeLow

Limits

Max execution duration

Azure Functions-

Fastly Compute-

Integration

Event source breadth

Azure Functions-

Fastly Compute-

HTTP endpoint trigger

Azure Functions-

Fastly Compute✓

Cron / scheduled invocations

Azure Functions-

Fastly Compute-

State

Durable state / workflow primitive

Azure Functions-

Fastly Compute-

Flexibility

Bring-your-own runtime / container

Azure Functions-

Fastly Compute-

Deployment

Hosting

Azure FunctionsCloud only

Fastly ComputeCloud only

Ops

Built-in logs / metrics / tracing

Azure Functions✓

Fastly Compute-

Extensibility

CLI + IaC / framework support

Azure Functions-

Fastly Compute✓

What each one is

The product in its own terms, so the numbers below have context.

Azure Functions

Azure Functions enables serverless code execution triggered by events. Design and deploy applications in your language of choice while focusing on business logic.

Independently observed

Fastly Compute

Leader

Execute code at the edge using WebAssembly with instant startup times. Includes storage, messaging, and built-in security features for modern application development.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Azure Functions

Usage-based

Consumption-based pricing

as of 2026-08-01verify ↗

Fastly Compute

Leader

Usage-basedFree tier

Free tier. Usage-based pricing from $0.50 per 1 million compute requests

ComputeFree
- 10M compute requests/month free
- 100M vCPU milliseconds/month free
- Global edge deployment
- WebAssembly runtime
- Volume discounts

as of 2026-08-14verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platform and deployment support comparison
Supports	Azure Functions	Fastly Compute
WebPlatforms	✓	✗
CLIPlatforms	✗	✓
Cloud / SaaSDeployment	✓	✓

Platforms

Web

Azure Functions✓

Fastly Compute✗

CLI

Azure Functions✗

Fastly Compute✓

Deployment

Cloud / SaaS

Azure Functions✓

Fastly Compute✓

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.