Comparison

AWS Lambda vs Cloudflare Workers

On the evidence we track, AWS Lambda leads this comparison with a composite score of 76/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

AWS Lambda full profile →Cloudflare Workers full profile →

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★AWS Lambda76

Cloudflare Workers63

Attribute comparison across 2 tools
Attribute	AWS LambdaLeader	Cloudflare Workers
vioscaleAI score	76 / 100medium · 72%	63 / 100low · 14%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	commercial	open_source
Price levelpricing.price_level	low	free
Starting pricepricing.starting_price	$1	-
Transparentpricing.transparent	✓	✓
Integrations
Countintegrations.count	220	-
Security
Disclosure policysecurity.disclosure_policy	✓	✓
Fedrampsecurity.fedramp	✓	-
Gdprsecurity.gdpr	✓	✓
Hipaasecurity.hipaa	✓	-
Iso27001security.iso27001	✓	✓
Pcisecurity.pci	✓	✓
Soc2security.soc2	✓	✓
Trust centersecurity.trust_center	https://aws.amazon.com/security/?nc1=f_cc	https://www.cloudflare.com/learning/security/account-takeover
Reliability
Sla pctreliability.sla_pct	-	100
Status pagereliability.status_page	✓	✓
Market
Availabilitymarket.availability	Available worldwide	Available worldwide · HQ US
Content
Faqcontent.faq	7 items	6 items

Score

vioscaleAI score

AWS Lambda76 / 100medium · 72%

Cloudflare Workers63 / 100low · 14%

Pricing

Free tier

AWS Lambda✓

Cloudflare Workers✓

Model

AWS Lambdacommercial

Cloudflare Workersopen_source

Price level

AWS Lambdalow

Cloudflare Workersfree

Starting price

AWS Lambda$1

Cloudflare Workers–

Transparent

AWS Lambda✓

Cloudflare Workers✓

Integrations

Count

AWS Lambda220

Cloudflare Workers–

Security

Disclosure policy

AWS Lambda✓

Cloudflare Workers✓

Fedramp

AWS Lambda✓

Cloudflare Workers–

Gdpr

AWS Lambda✓

Cloudflare Workers✓

Hipaa

AWS Lambda✓

Cloudflare Workers–

Iso27001

AWS Lambda✓

Cloudflare Workers✓

Pci

AWS Lambda✓

Cloudflare Workers✓

Soc2

AWS Lambda✓

Cloudflare Workers✓

Trust center

AWS Lambdahttps://aws.amazon.com/security/?nc1=f_cc

Cloudflare Workershttps://www.cloudflare.com/learning/security/account-takeover

Reliability

Sla pct

AWS Lambda–

Cloudflare Workers100

Status page

AWS Lambda✓

Cloudflare Workers✓

Market

Availability

AWS LambdaAvailable worldwide

Cloudflare WorkersAvailable worldwide · HQ US

Content

Faq

AWS Lambda7 items

Cloudflare Workers6 items

Capabilities

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

Capability comparison for Serverless & Edge Platforms
Capability	AWS Lambda	Cloudflare Workers
Core
Execution substrate	MicroVM	V8 isolate
Language / runtime breadth	Python, Node.js, Java, C#, Go, Ruby, custom runtimes	JavaScript, TypeScript, Python, Rust
Reach
Runs at global edge PoPs	-	✓
Scale
Scale to zero	✓	✓
Performance
Cold-start profile	Provisioned concurrency	None (isolate)
Limits
Max execution duration	-	-
Integration
Event source breadth	220+ AWS services including S3, DynamoDB, Kinesis, SQS, API calls, event streams	HTTP requests, cron schedules, webhooks, message queues
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

AWS LambdaMicroVM

Cloudflare WorkersV8 isolate

Language / runtime breadth

AWS LambdaPython, Node.js, Java, C#, Go, Ruby, custom runtimes

Cloudflare WorkersJavaScript, TypeScript, Python, Rust

Reach

Runs at global edge PoPs

AWS Lambda-

Cloudflare Workers✓

Scale

Scale to zero

AWS Lambda✓

Cloudflare Workers✓

Performance

Cold-start profile

AWS LambdaProvisioned concurrency

Cloudflare WorkersNone (isolate)

Limits

Max execution duration

AWS Lambda-

Cloudflare Workers-

Integration

Event source breadth

AWS Lambda220+ AWS services including S3, DynamoDB, Kinesis, SQS, API calls, event streams

Cloudflare WorkersHTTP requests, cron schedules, webhooks, message queues

HTTP endpoint trigger

AWS Lambda✓

Cloudflare Workers✓

Cron / scheduled invocations

AWS Lambda-

Cloudflare Workers✓

State

Durable state / workflow primitive

AWS Lambda✓

Cloudflare Workers✓

Flexibility

Bring-your-own runtime / container

AWS Lambda✓

Cloudflare Workers✓

Deployment

Hosting

AWS LambdaCloud only

Cloudflare WorkersCloud only

Ops

Built-in logs / metrics / tracing

AWS Lambda✓

Cloudflare Workers-

Extensibility

CLI + IaC / framework support

AWS Lambda✓

Cloudflare Workers✓

What each one is

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

AWS Lambda

Leader

AWS service providing serverless infrastructure for AI agents and language models, with integrated knowledge base capabilities for retrieval-augmented generation, automated data processing, and model fine-tuning.

Independently observed

Cloudflare Workers

A server runtime environment based on Cloudflare Workers' underlying code, designed for self-hosting applications built with JavaScript and WebAssembly. It provides web-platform standard APIs and functions as a programmable HTTP proxy.

Independently observed

Pricing

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

AWS Lambda

Leader

from $1/API callsUsage-based

Usage-based pricing per token and per API call; fine-tuning $0.005/image; knowledge base $0.010/page

Standard$1 per 1000 API calls
Flex-
Priority-
Reserved-

as of 2026-09-23verify ↗

Cloudflare Workers

from $20/moHybridFree tier

Free tier with per-request and per-CPU metering. General Cloudflare plans from free to $250/mo; Workers add-on services metered separately.

FreeFree
- DNS
- DDoS Protection
- CDN
- Universal SSL
- WAF
- +3 more
Pro$20/mo billed annually or $25/mo billed monthly
- Fast DNS
- Unmetered DDoS Protection
- CDN
- Universal SSL Certificate
- Free Managed Ruleset
- +7 more
Business$200/mo billed annually or $250/mo billed monthly
- Fast DNS
- Unmetered DDoS Protection
- CDN
- Universal SSL Certificate
- Free Managed Ruleset
- +8 more
ContractContact sales

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	AWS Lambda	Cloudflare Workers
WebPlatforms	✓	✗
macOSPlatforms	✗	✓
WindowsPlatforms	✗	✓
LinuxPlatforms	✗	✓
CLIPlatforms	✓	✓
Cloud / SaaSDeployment	✓	✗
Self-hostedDeployment	✗	✓

Platforms

Web

AWS Lambda✓

Cloudflare Workers✗

macOS

AWS Lambda✗

Cloudflare Workers✓

Windows

AWS Lambda✗

Cloudflare Workers✓

Linux

AWS Lambda✗

Cloudflare Workers✓

CLI

AWS Lambda✓

Cloudflare Workers✓

Deployment

Cloud / SaaS

AWS Lambda✓

Cloudflare Workers✗

Self-hosted

AWS Lambda✗

Cloudflare Workers✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

AWS Lambda

Leader

17 total

AWS S3
AWS DynamoDB
AWS Kinesis
AWS SQS
AWS EventBridge
Amazon MSK
AWS CloudWatch
AWS X-Ray
Amazon S3
Amazon DynamoDB
Amazon Kinesis
Apache Kafka
Amazon SQS
Amazon DynamoDB Streams
S3
SharePoint
Confluence

Independently observed

Cloudflare Workers

Not documented yet.

Still deciding?

AWS Lambda or Cloudflare Workers: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

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