Skip to content
KostrixBeta, home
  • Features
  • Pricing
  • Security
  • Blog
  • Contact
Log in Start free trial
  • Features
  • Pricing
  • Security
  • Blog
  • Contact
  • Log in
  1. Blog
  2. Cost Optimization

Articles on Cost Optimization

Everything on the Kostrix blog tagged Cost Optimization, newest first.

  • All articles
  • Cost Optimization
  • EC2
  • Billing
  • S3
  • Savings Plans
  • Bedrock
  • Data Transfer
  • Generative AI
  • Reserved Instances
  • Serverless
  • Aurora
  • CloudFront
  • CloudWatch
  • DynamoDB
  • EBS
  • Graviton
  • Lambda
  • MediaLive
  • Networking
  • RDS
  • Reservations
  • Spot Instances
  • Storage
  • VPC

LatestOct 16, 2026 · 9 min read

AI-Enabled AWS Cost Optimization: What Works, What Doesn't

AI-enabled AWS cost optimization in 2026: what Amazon Q, the FinOps agent and the MCP server get right, where they slip, and how to audit Bedrock spend.

  • Cost Optimization
  • Generative AI
  • Bedrock

Read the article →

Oct 16, 2026 · 12 min read

Amazon Bedrock Cost Optimization: Tokens, Tiers, Caching

Amazon Bedrock cost optimization with us-east-1 prices: model choice, output length, batch and Flex, prompt caching, vector stores, guardrails and tags.

  • Bedrock
  • Generative AI
  • Cost Optimization

Oct 16, 2026 · 11 min read

RDS and Aurora Cost Optimization: Seven Places to Look

RDS and Aurora cost optimization: Aurora I/O-Optimized break-even, Serverless v2 scale to zero, gp3 vs io1, Extended Support fees, idle replicas.

  • RDS
  • Aurora
  • Cost Optimization

Oct 16, 2026 · 10 min read

Cost Saving Tricks for AWS: 20 Ways to Save Cost on AWS

Cost saving tricks for AWS: 20 quick wins with us-east-1 prices and a read-only CLI check each, from gp3 templates to Bedrock batch and Extended Support.

  • Cost Optimization
  • Billing

Oct 16, 2026 · 11 min read

AWS Lambda Cost Optimization: Memory, arm64 and Retries

AWS Lambda cost optimization with us-east-1 prices: memory tuning, arm64, timeouts and retries, batching, provisioned concurrency and when to move off.

  • Lambda
  • Serverless
  • Cost Optimization

Oct 16, 2026 · 11 min read

CloudFront Cost Optimization: Cache Keys to Price Classes

CloudFront cost optimization with current prices: cache hit ratio, cache keys, TTLs, Origin Shield, compression, price classes and the Savings Bundle.

  • CloudFront
  • Data Transfer
  • Cost Optimization

Oct 16, 2026 · 11 min read

DynamoDB Cost Optimization: Capacity, Storage and Indexes

DynamoDB cost optimization with us-east-1 prices: on-demand vs provisioned break-even, Standard-IA, reserved capacity, GSI projections, TTL and PITR.

  • DynamoDB
  • Serverless
  • Cost Optimization

Oct 16, 2026 · 10 min read

Reduce Your AWS Bill: A 30-Day Plan and Why It's High

Why is your AWS bill so high? A 30-day plan to reduce your AWS bill: find the causes, delete waste, rightsize, commit, then set budgets and alerts.

  • Cost Optimization
  • Billing

Oct 15, 2026 · 11 min read

Idle AWS Resources: Find and Delete Them Safely

Find and clean up idle AWS resources: unattached EBS volumes, orphaned snapshots, idle Elastic IPs, unused load balancers and NAT gateways, with safe CLI.

  • EC2
  • EBS
  • Cost Optimization

Oct 14, 2026 · 10 min read

EC2 Spot Instances Done Right, Without the Drama

Run EC2 Spot Instances safely: interruption notices, price-capacity-optimized, diversification, Karpenter, EMR and Batch, plus the workloads to avoid.

  • EC2
  • Spot Instances
  • Cost Optimization

Oct 13, 2026 · 10 min read

NAT Gateway Costs and AWS Data Transfer, Explained

Cut NAT gateway costs and AWS data transfer charges: per-GB processing, cross-AZ traffic, S3 gateway endpoints, internet egress and how to find them.

  • VPC
  • Data Transfer
  • Networking
  • Cost Optimization

Oct 10, 2026 · 10 min read

EC2 Rightsizing and Graviton: Two Levers That Stack

EC2 rightsizing with CloudWatch and Compute Optimizer, a Graviton migration checklist, us-east-1 prices, and why both come before Savings Plans.

  • EC2
  • Graviton
  • Cost Optimization

Oct 9, 2026 · 10 min read

S3 Storage Classes and Lifecycle Rules: Real Costs

S3 storage classes and lifecycle rules explained with us-east-1 prices: minimum durations, the small-object trap, noncurrent versions and a worked example.

  • S3
  • Storage
  • Cost Optimization

Oct 8, 2026 · 10 min read

AWS Billing Discounts Most Teams Miss (2026 Guide)

AWS billing discounts beyond Compute Savings Plans: Database Savings Plans, reserved capacity, CloudFront plans, credits, Private Pricing and Spot.

  • Savings Plans
  • Reserved Instances
  • Cost Optimization
  • Billing

Oct 6, 2026 · 11 min read

Reserved Instances vs Savings Plans: How to Choose

Reserved Instances vs Savings Plans for EC2: discount ranges, flexibility, RI Marketplace resale, coverage vs utilization, and how to size a commitment.

  • EC2
  • Savings Plans
  • Reserved Instances
  • Cost Optimization

Sep 30, 2026 · 10 min read

AWS MediaLive Reservations for Inputs and Outputs

How AWS MediaLive reservations work for inputs and outputs: matching offerings to channel specs, standard vs single-pipeline, and when they don't pay off.

  • MediaLive
  • Reservations
  • Cost Optimization

Sep 24, 2026 · 10 min read

CloudWatch Logs to S3: Where the Savings Are

Moving CloudWatch Logs to S3 only pays off if you skip ingestion. Compare us-east-1 prices, the Infrequent Access class, retention, Firehose and Athena.

  • CloudWatch
  • S3
  • Cost Optimization

Sep 17, 2026 · 11 min read

How to Save Big on Your AWS Bill: Our Top 5 Tips

How to save on your AWS bill: delete idle resources, rightsize and move to Graviton, commit with Savings Plans, tier storage and cut NAT transfer costs.

  • Cost Optimization
  • EC2
  • Savings Plans
  • S3

Kostrix finds the savings in your AWS bill and tells you exactly what to change

It scans your AWS accounts read-only for idle resources, rightsizing, Savings Plans and reserved-instance coverage, storage, data transfer and more, and prices every finding against your own bill.

Start your free trialSee pricing

KostrixBeta

AWS cost optimization tool. 235 read-only checks across storage, compute, networking, databases, serverless and ML, plus Savings Plans and reserved-instance coverage, each finding priced and reconciled against your bill.

Log in to Kostrix

What it finds

  • AWS cost checks by service
  • How it works
  • Unused EBS volumes
  • Idle AWS resources
  • Savings Plans coverage
  • Blog
  • How a figure is built
  • Bill reconciliation

Trust

  • Security and access
  • The IAM policy
  • Credential handling
  • Measurement doctrines
  • Terms of Service
  • Disclaimer
  • Privacy Policy
  • Data Processing Addendum

Get started

  • Start free trial
  • Pricing and free trial
  • Talk to us
  • Support
  • RSS feed