<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Mathieu Kerbel · Blog</title><description>Notes on cloud costs, architecture and building more with less.</description><link>https://mathieukerbel.com</link><language>en</language><atom:link href="https://mathieukerbel.com/rss.xml" rel="self" type="application/rss+xml"/><item><title>Amazon Bedrock pricing: how to cut the bill</title><link>https://mathieukerbel.com/blog/aws-bedrock</link><guid isPermaLink="true">https://mathieukerbel.com/blog/aws-bedrock</guid><description>AWS Bedrock pricing in Paris: why the model you pick drives the bill, what tiers, caching, batch and the Reserved tier change, and the ways to pay less.</description><pubDate>Fri, 16 Oct 2026 22:00:00 GMT</pubDate><category>AWS</category><category>AI</category></item><item><title>AWS Cost Explorer: reading your bill</title><link>https://mathieukerbel.com/blog/aws-cost-explorer</link><guid isPermaLink="true">https://mathieukerbel.com/blog/aws-cost-explorer</guid><description>What AWS Cost Explorer costs (its API and hourly data), what unblended and amortized costs mean, and how to use it to cut your AWS bill.</description><pubDate>Fri, 16 Oct 2026 22:00:00 GMT</pubDate><category>AWS</category><category>Cost management</category></item><item><title>Amazon DynamoDB pricing and how to cut it</title><link>https://mathieukerbel.com/blog/aws-dynamodb</link><guid isPermaLink="true">https://mathieukerbel.com/blog/aws-dynamodb</guid><description>Amazon DynamoDB pricing in Paris: what on-demand and provisioned capacity, indexes and backups cost, when each mode is cheaper, and how to cut the bill.</description><pubDate>Fri, 16 Oct 2026 22:00:00 GMT</pubDate><category>AWS</category><category>Databases</category></item><item><title>AWS Graviton pricing: what you save</title><link>https://mathieukerbel.com/blog/aws-graviton</link><guid isPermaLink="true">https://mathieukerbel.com/blog/aws-graviton</guid><description>AWS Graviton is not a flat 20% off: what it takes off EC2, RDS, Lambda and Fargate list prices in Paris, and the levers AWS documents to move to it.</description><pubDate>Fri, 16 Oct 2026 22:00:00 GMT</pubDate><category>AWS</category><category>Compute</category></item><item><title>Amazon CloudFront: pricing, price classes and how to cut the bill</title><link>https://mathieukerbel.com/blog/aws-cloudfront</link><guid isPermaLink="true">https://mathieukerbel.com/blog/aws-cloudfront</guid><description>How Amazon CloudFront works under the hood, what each line of a CloudFront bill charges for, and the official ways to cut it, with Europe and Paris list prices.</description><pubDate>Thu, 15 Oct 2026 22:00:00 GMT</pubDate><category>AWS</category><category>Networking</category></item><item><title>Amazon EKS: pricing, extended support and how to cut the bill</title><link>https://mathieukerbel.com/blog/aws-eks</link><guid isPermaLink="true">https://mathieukerbel.com/blog/aws-eks</guid><description>How Amazon EKS works under the hood, what the cluster fee and the nodes behind it cost, and the official ways to cut an EKS bill, with Paris list prices.</description><pubDate>Thu, 15 Oct 2026 22:00:00 GMT</pubDate><category>AWS</category><category>Containers</category></item><item><title>AWS Lambda: pricing, memory and how to cut the bill</title><link>https://mathieukerbel.com/blog/aws-lambda</link><guid isPermaLink="true">https://mathieukerbel.com/blog/aws-lambda</guid><description>How AWS Lambda works under the hood, what requests and GB-seconds cost, and the official ways to cut a Lambda bill, with Paris list prices.</description><pubDate>Thu, 15 Oct 2026 22:00:00 GMT</pubDate><category>AWS</category><category>Serverless</category></item><item><title>AWS NAT Gateway and data transfer: pricing and how to cut the bill</title><link>https://mathieukerbel.com/blog/aws-nat-gateway</link><guid isPermaLink="true">https://mathieukerbel.com/blog/aws-nat-gateway</guid><description>How AWS NAT gateways and data transfer are billed, and the levers AWS documents (VPC endpoints, placement, centralized egress) to pay less, priced in Paris.</description><pubDate>Thu, 15 Oct 2026 22:00:00 GMT</pubDate><category>AWS</category><category>Networking</category></item><item><title>AWS EC2: how it works and how to cut its cost</title><link>https://mathieukerbel.com/blog/aws-ec2</link><guid isPermaLink="true">https://mathieukerbel.com/blog/aws-ec2</guid><description>How Amazon EC2 works under the hood, how it is billed, and the official ways to cut its cost, with Paris list prices.</description><pubDate>Wed, 14 Oct 2026 22:00:00 GMT</pubDate><category>AWS</category><category>Compute</category></item><item><title>Amazon RDS: pricing, Multi-AZ, backups and how to cut the bill</title><link>https://mathieukerbel.com/blog/aws-rds</link><guid isPermaLink="true">https://mathieukerbel.com/blog/aws-rds</guid><description>How Amazon RDS works under the hood, what each line of an RDS bill charges for, and the official ways to cut it, with Paris list prices.</description><pubDate>Wed, 14 Oct 2026 22:00:00 GMT</pubDate><category>AWS</category><category>Databases</category></item><item><title>Amazon S3: storage classes, pricing and how to cut the bill</title><link>https://mathieukerbel.com/blog/aws-s3</link><guid isPermaLink="true">https://mathieukerbel.com/blog/aws-s3</guid><description>How Amazon S3 works under the hood, what each storage class charges for, and the official ways to cut an S3 bill, with Paris list prices.</description><pubDate>Wed, 14 Oct 2026 22:00:00 GMT</pubDate><category>AWS</category><category>Storage</category></item></channel></rss>