AWS Infrastructure Cost Analysis

Detailed monthly breakdown of cloud service expenses

Monthly Cost

$3,865

Last month +2.5%

Annual Cost

$46,380

Potential savings ~15%

Top Expense

LLM Deepseek

$1,000 (25.9%)

GPU Utilization 72%

Detailed Cost Breakdown

All AWS services with monthly costs

Service Description Quantity Unit Cost Total Cost Notes
EC2 (Backend/Microservices)
t3.xlarge instances
4 instances $150 $600 For APIs, microservices and 10k user load Scalable
EC2 with GPU (LLM Deepseek)
g4dn.xlarge instances
2 instances $500 $1,000 For LLM model inference and eventual training GPU
Amazon RDS (PostgreSQL)
db.m5.large instance
1 instance $200 $200 Structured database for academic history and users SQL
Amazon DocumentDB (MongoDB)
db.r5.large instance
1 instance $250 $250 Unstructured data (feedbacks, logs) NoSQL
Amazon ElastiCache (Redis)
cache.t3.medium instance
1 instance $70 $70 Cache for frequent queries Cache
AWS Lambda
Serverless functions
1M requests $0.20/1M $20 Async processing and serverless functions Serverless
Amazon S3 (Storage)
Object storage
1 TB $0.023/GB $23 Documents, backups and static data Storage
Data Transfer (Out)
Data egress
500 GB $0.09/GB $45 Data transfer costs to users Network
AWS CloudFront (CDN)
Content delivery
1 TB transfer $0.085/GB $85 Static and dynamic content acceleration CDN
AWS CloudWatch
Monitoring
- $50 $50 Metrics, logs and alerts Monitoring
SSL/TLS Certificates
Encryption
1 certificate $0 $0 In-transit encryption via ACM Security
WAF
Web Application Firewall
- $20 $20 Protection against application layer attacks Firewall
Backup (S3 Glacier)
Cold storage
500 GB $0.004/GB $2 Cold storage for backups Backup
Compliance (LGPD/WCAG)
External consulting
Consulting $1,500 $1,500 Audits and legal compliance (outsourced) Legal
Showing 1 to 13 of 13 services

Cost Distribution

Cost Optimization

Potential Savings
Reserved Instances ~$450/mo
Spot Instances ~$300/mo
Storage Optimization ~$150/mo
Data Transfer ~$100/mo

Additional Notes

Variable Costs: The actual monthly costs may vary based on usage patterns, especially for services like EC2, Lambda, data transfer, and S3 storage which are usage-based.

Annual Commitment: Consider committing to 1-year or 3-year Reserved Instances for stable workloads to reduce EC2 costs by up to 75%.

Cost Monitoring: Enable AWS Cost Explorer and Budgets to monitor spending and set alerts when costs exceed thresholds.

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