Cloud Egress & Bandwidth
See what the same monthly traffic costs to send out of each cloud, with tiered internet rates, a CDN, and cross-AZ and cross-region transfer included.
x12i Tools
Free calculators for AI and LLM infrastructure costs: API pricing and margin, GPU memory sizing, and vector database sizing. Runs in your browser, with a REST API and an MCP server.
Cloud & FinOps
NAT Gateway & PrivateLink Estimator
See what your VPC's NAT gateways cost today, what S3 and DynamoDB gateway endpoints would save, and the traffic level where an interface endpoint stops paying for itself.
Serverless vs Containers Break-Even
Price one workload on Lambda, Fargate, Cloud Run and a VM cluster, then see the request rate at which the cheapest option changes.
AI & LLM Infra
LLM API Pricing & Margin
Turn a usage profile into a monthly bill per model, then into the gross margin at your SaaS price.
LLM GPU & VRAM Estimator
Size the GPU memory for a model, quantization and workload, then see where self-hosting beats paying an API.
Vector DB Sizing Comparator
Size the RAM and disk a vector corpus needs, then price it on five vector databases side by side.
DevOps & Scale
K8s Node & Pod Sizing
Turn a workload description into a node count per instance type, using each cloud's real allocatable-resource rules, and see which constraint binds.
Kafka Throughput & Storage Planner
Size the partitions, brokers, network and disk a Kafka workload needs, then price it on self-managed Kafka, Amazon MSK and Confluent Cloud.
CIDR & VPC Subnet Planner
Split a base CIDR into aligned subnets per tier and zone, see them on a map, and find out whether you will run out of IP addresses.
Data & Observability
Observability Log Cost
Price one logs, metrics and traces profile across six observability options at list price, see what each leaves out, and what a 30% cut in log volume saves on each.
Data Warehouse Credit Estimator
Estimate monthly compute and storage on Snowflake, BigQuery and Databricks SQL, see what idle time costs, and find the scan volume where the cheapest option changes.
Security, Risk & SLA
SLA Uptime & Error Budget
Turn an SLA target into allowed minutes of downtime, check whether your dependency chain can meet it, and price the downtime and the credits.
Compliance Audit Cost & Timeline
Estimate first-year cost, internal effort and calendar time as a low, likely and high range. These are estimates, not quotes.
SaaS & B2B Finance
Payment Gateway & FX Fees
Turn your volume, ticket size and payment mix into the all-in monthly cost on each provider, with every fee line shown separately.