Database & Serverless Compute TCO Simulator
Cloudflare Workers vs AWS Lambda: Serverless Compute & Egress Pricing
Zero cold starts & zero egress fees vs AWS Enterprise Cloud Ecosystem.
Simulate Backend Traffic & Database Operations
Monthly Invocations2M
DB Reads / Queries5M
DB Writes / Mutations1M
Storage Size10 GB
Egress Bandwidth150 GB
Workers Paid
Zero Egress FeesCloudflare Workers & D1
Total Monthly Bill
$8.75 / month
Base Tier Cost:$5.00
Compute / Requests:$0.00
Database Reads:$0.00
Database Writes:$0.00
Storage (10 GB):$3.75
Egress Bandwidth (150 GB):$0.00
On-Demand Serverless
Enterprise StandardAWS Lambda & DynamoDB
Total Monthly Bill
$5.33 / month
Base Tier Cost:$0.00
Compute / Requests:$0.200
Database Reads:$0.625
Database Writes:$0.00
Storage (10 GB):$0.00
Egress Bandwidth (150 GB):$4.50
Architectural Cost Verdict
Cloudflare Workers dominates in cost and latency for global API gateways and AI proxy backends due to zero egress fees and $0.30/1M request pricing with sub-5ms cold starts globally.
Key Pricing Levers & Differences
- Cloudflare has $0.00 bandwidth egress fees vs AWS $0.09/GB.
- Cloudflare Workers have near-instant startup (<5ms) across 330+ edge locations.
- AWS Lambda supports custom container images up to 10GB and up to 15-minute execution.
Best for Cloudflare Workers & D1
- • AI API reverse proxies, streaming gateways, and edge LLM middleware
- • High-bandwidth content distribution and zero-egress workloads
- • Global low-latency serverless REST and GraphQL endpoints
Best for AWS Lambda & DynamoDB
- • Heavy background batch compute running up to 15 minutes
- • Deep AWS ecosystem integrations (S3, SQS, SNS, IAM)
- • Legacy microservices packaged as Docker containers
Frequently Asked Questions
AI streaming responses consume significant continuous bandwidth. AWS charges $0.09 per GB of egress, whereas Cloudflare charges $0.00 egress, making AI proxying virtually free on bandwidth.