Stack Cost AI

Quality And Observabilityenterprise stack.

For each requirement below, pick the option that fits your build — recommended first, then free and cheaper alternatives — or skip what your project doesn't need. Tap the info icon next to any requirement to see why it matters.

Data Quality Platform

Pricing & free-tier limitsGreat Expectations OSS $0 unlimited checks self-hosted | Soda Cloud Free 1,000 checks/mo, 10 datasets $0 then Pro $300/mo 10k checks $0.05/check overage | Metaplane Free 10 tables $0, Pro $250/mo 50 tables $5/table/mo overage | Monte Carlo $30k/yr (~$2,500/mo) 100 tables included $100/table/mo over | Bigeye $20k/yr (~$1,667/mo) 150 tables included $90/table/mo over

Validation Framework / Runtime

Pricing & free-tier limitsGreat Expectations OSS $0 5k validations/mo self-hosted | dbt Core OSS $0, dbt Cloud Developer Free 1 seat $0, Team $100/seat/mo 100 models $0.50/model over | SodaCL OSS $0 unlimited, Cloud Free 1k checks $0 | Monte Carlo included in platform $2,500/mo 100 rules $25/rule/mo overage

Anomaly Detection Service

Pricing & free-tier limitsDeequ OSS $0 self-hosted on EMR ($0.15/hr EMR surcharge) 10k checks free | TFVD OSS $0 | Metaplane anomaly included in Pro $250/mo 50 tables $5/table over | Anomalo Starter $30k/yr (~$2,500/mo) 50 tables, $600/table/yr overage, Enterprise $60k/yr 200 tables $400/table/yr over | Monte Carlo ML anomaly $2,500/mo included

Freshness / SLA Monitoring

Pricing & free-tier limitsOSS cron+GE $0 self-hosted | Better Stack Free 10 monitors 1-min checks $0, Team $24/mo 100 monitors $0.20/monitor/mo over | Metaplane Free 10 tables freshness 30-min interval $0, Pro $250/mo 50 tables 1-min interval $5/table/mo over | Monte Carlo freshness included $2,500/mo 100 tables, $25/table/mo over | Cronitor Free 5 monitors $0, Business $48/mo 50 monitors

Data Lineage for Quality Context

Pricing & free-tier limitsMarquez OSS $0 unlimited runs/lineage edges self-hosted | OpenLineage OSS $0 | DataHub OSS $0 10k edges, Cloud Free 20 assets $0, Pro $200/mo 500 assets $1/asset/mo over | Atlan Free 5 users 20 assets $0, Team $700/mo 50 assets, Enterprise $3,500/mo 500 assets $2/asset/mo over | Collibra $40k/yr starter

Alerting & Incident Routing

Pricing & free-tier limitsSlack webhooks $0 unlimited | Email $0 | Better Stack Free 10 alerts/mo $0, Team $29/mo 500 alerts $0.10/alert over on-call free | PagerDuty Free 1 user 5 services $0, Starter $29/user/mo 1k alerts/mo $0.15/alert over, Pro $49/user/mo 5k alerts $0.10/alert over, Enterprise $99/user/mo unlimited

Data Warehouse for Quality Metrics Store

Pricing & free-tier limitsDuckDB $0 local unlimited | Postgres OSS $0 | BigQuery Free 10GB storage + 1TB queries/mo $0 then $0.02/GB storage $6.25/TiB queries $0.04/GB scanned over | Snowflake Free $400 credit trial, Standard $2/credit (~$40/TB scanned) storage $40/TB/mo $0.04/GB over | Databricks SQL $0.22/DBU $0.15/GB storage over free

Object Storage for Quality Logs & Checkpoints

Pricing & free-tier limitsMinIO OSS $0 unlimited self-hosted | R2 Free 10GB storage + 10M Class A ops/mo $0 then $0.015/GB/mo $4.50/M Class A ops $0.36/M Class B over | S3 Free 5GB 12mo $0 then $0.023/GB/mo $0.005/1k PUT $0.0004/1k GET over, Glacier $0.0036/GB | GCS Free 5GB then $0.020/GB/mo $0.05/10k ops over

Monitoring for Pipeline Health

Pricing & free-tier limitsPrometheus+Grafana OSS $0 | Grafana Cloud Free 10k series, 50GB logs, 50GB traces, 14d retention $0 then Pro $8/user/mo 15k series $8/1k series $0.50/GB logs over | Better Stack Free 10 hosts $0, Team $24/mo 50 hosts $0.30/host over | Datadog Free 5 hosts trial, Infra $15/host/mo APM $31/host/mo logs $0.10/GB $0.10/GB over 15-day

Secrets Management for Quality Connectors

Pricing & free-tier limitsVault OSS $0 + Infisical OSS $0 25 envs unlimited secrets $0 self-hosted | Infisical Cloud Free 25 secrets $0, Pro $19/user/mo 1k secrets $0.10/secret/mo over | Doppler Free 100 secrets 5 projects $0, Team $18/user/mo 500 secrets $0.05/secret over | AWS Secrets Manager $0.40/secret/mo $0.05/10k API calls over, free 30 days | HCP Vault $0.16/hr cluster ~$118/mo + $0.30/1k ops over 50k ops free

CI/CD for Quality Checks

Pricing & free-tier limitsGitHub Actions Free 2,000 min/mo + 500MB $0, Pro $4/user/mo 3,000 min $0.008/min over Linux, $0.01/min Windows, $0.08/min macOS | GitLab CI Free 400 min/mo $0, Premium $29/user/mo 10k min $0.006/min over | CircleCI Free 6k credits/wk, Team $30/mo 30k credits $0.0006/credit over $6/1k credits overage | Buildkite $15/user/mo 10k min

API Gateway for Quality APIs

Pricing & free-tier limitsKong OSS $0 unlimited routes self-hosted | Konnect Free 1M req/mo $0 then Team $250/mo 10M req $15/1M req over | Cloudflare Workers Free 100k req/day $0 then Paid $5/mo + $0.50/1M req $0.30/M over | AWS API Gateway Free 1M req 12mo $0 then $3.50/M req + $0.09/GB transfer $0.02/GB over $3.50/M

Audit Logs WORM for Quality Incidents

Pricing & free-tier limitsMinIO OSS $0 WORM retention self-hosted | R2 with Lock Free 10GB $0 then $0.015/GB/mo immutable $0 over features | S3 Object Lock $0 feature + $0.023/GB/mo storage $0.005/1k PUT over, Governance mode free | CloudTrail Lake Free 20k query events $0 then $2.50/GB ingested $0.50/GB over, storage $0.75/GB/mo $0.50/GB over 90d

Compute for Quality Checks (Serverless/Batch)

Pricing & free-tier limitsFly Free 3 shared VMs 3GB RAM $0 then $0.10/GB/mo over | Cloud Run Free 2M req/mo 360k vCPU-sec 180k GiB-sec $0 then $0.000024/vCPU-sec $0.0000025/GiB-sec $0.40/M req over | Lambda Free 1M req + 400k GB-sec/mo $0 then $0.20/M req $0.0000166667/GB-sec $0.0000125/GB-sec over 1M | Fargate $0.04048/vCPU/hr $0.004445/GB/hr $0.02/GB over

Message Queue for Quality Events

Pricing & free-tier limitsRabbitMQ/NATS OSS $0 self-hosted unlimited | SQS Free 1M req/mo $0 then $0.40/M req (standard) $0.50/M (FIFO) $0.40/M over | CloudAMQP Free 1M msgs/mo $0 then Bunny $19/mo 10M msgs $1.50/M over | Confluent Cloud Free $400 credits 10GB, Starter $50/mo $0.10/GB written/bundled $0.11/GB read over | Upstash Kafka Free 10k msgs/day $0 $10/mo 100k msgs over

Container Registry for Quality Images

Pricing & free-tier limitsGHCR Free 500MB storage + 1GB transfer $0 (public unlimited), Pro $4/user/mo 2GB storage 10GB transfer $0.02/GB stor $0.10/GB transfer over | Docker Hub Free 1 private repo unlimited public pulls (rate 100/6h), Pro $9/mo 5 private repos 5GB $0.05/GB over, Team $21/mo 15 repos $0.04/GB over | ECR Free 500MB 12mo $0 then $0.10/GB/mo stor $0.20/GB transfer over, private $0.01/GB over scanning

DNS Management for Quality Dashboards

Pricing & free-tier limitsCloudflare Free $0 unlimited zones/queries/DDoS, Pro $20/mo 1 zone $0, Enterprise $200/mo | Bunny DNS $1/mo min 20 zones $0.10/zone over $0.10/M queries $0.05/M over 1M | Route 53 $0.50/zone/mo $0.40/M queries first 1B $0.20/M over, health checks $0.50/check/mo $0.30 overage 1M checks $0.35/M over

Log Management for Pipeline Logs

Pricing & free-tier limitsLoki OSS $0 self-hosted S3 backend $0.023/GB over | Grafana Cloud Logs Free 50GB/mo $0 then Pro $8/user/mo 100GB $0.50/GB over $0.30/GB 30-day over | Better Stack Free 3GB/mo 3-day ret $0, Team $24/mo 50GB 30d $0.40/GB over $0.30/GB 90d | Datadog Logs Free 1GB/day trial, $0.10/GB ingested $0.10/GB over, $1.70/GB 30-day retention $0.02/GB/mo over long-term

Backup for Quality Config & Rules

Pricing & free-tier limitsRestic/rclone OSS $0 self-hosted | Backblaze B2 Free 10GB storage 1GB download/day $0 then $0.006/GB/mo storage $0.01/GB download $0.005/1k files over | AWS Backup Free 5GB warm backup $0 then $0.05/GB-mo warm $0.01/GB-mo cold $0.05/GB over restore $0.022/GB | Velero OSS $0

Data Catalog Integration

Pricing & free-tier limitsOpenMetadata OSS $0 unlimited users/catalog/lineage $0 self-hosted | DataHub OSS $0 self-hosted, Cloud Free 20 assets $0, Pro $200/mo 5 users 500 assets $1/asset over, Enterprise $1k/mo $0.80/asset over 2k | Atlan Free 5 users 20 assets $0, Team $700/mo 10 users 100 assets $5/asset over, Enterprise $3.5k/mo 500 assets $2/asset over | Alation $100k/yr

Workflow Orchestration for Quality Pipelines

Pricing & free-tier limitsAirflow OSS $0 self-hosted | Prefect OSS $0 self-hosted, Cloud Free 20k task runs/mo $0 then Starter $50/mo 50k runs $5/1k runs over, Team $199/mo 200k $3/1k over | Dagster OSS $0 self-hosted, Serverless Free 1k run-hr/mo $0 then Team $250/mo 2.5k run-hr $0.10/run-hr over, Branch $500/mo | Astronomer $750/mo 50k task runs $0.10/task over, Enterprise $2k/mo

Metrics Time-Series DB for DQ Metrics

Pricing & free-tier limitsPrometheus+Thanos OSS $0 unlimited metrics self-hosted | Grafana Cloud Metrics Free 10k series $0 then Pro $8/user 15k series $8/1k series over $0.30/1k samples over | InfluxDB OSS $0 self-hosted, Cloud Free 30GB storage $0 then $0.002/GB write $0.002/GB query $200/mo min $0.01/GB over | Timescale Free 500MB $0, Starter $39/mo 5GB $0.12/GB/mo over $0.15/GB over backup

Distributed Tracing for Pipeline Execution

Pricing & free-tier limitsJaeger/Tempo OSS $0 self-hosted unlimited traces | Grafana Cloud Traces Free 50GB/mo $0 then Pro $8/user/mo 100GB $0.50/GB over $0.40/GB over 90d | Honeycomb Free 20M events/mo $0 then Pro $100/mo 100M events $0.10/1M events over $0.05/M over hourly | Datadog APM $31/host/mo 100GB trace ingestion $1.50/GB over, $0.40/M spans indexed over

Key Management Service (KMS) for Encryption

Pricing & free-tier limitsVault Transit OSS $0 free auto-rotation self-hosted | GCP KMS Free 6 key versions + 20k ops/mo $0 then $0.06/key-ver/mo $0.03/10k ops $0.06/HSM key over | AWS KMS Free 1k req/mo 12mo $0 then $1/key/mo $0.03/10k requests $1.45/hr custom key store $0.03 over asymmetric, CloudHSM $1.88/hr ~$1,370/mo $0.40/hr HSM $0.03/GB backup/mo over

Reverse Proxy / Load Balancer for Quality Portal

Pricing & free-tier limitsCaddy/Nginx/Traefik OSS $0 self-hosted | Cloudflare Tunnel Free $0 unlimited | Cloudflare LB Free 1 origin $0 then $5/mo 500k DNS req $0.50/1M over + $5/origin over 2 | AWS ALB $0.0225/hr (~$16/mo) + $0.008/LCU-hr $0.008/GB processed $0.006 over 20TB, Free 750hr 12mo | NGINX Plus $2,500/instance/yr ~$208/mo $50/instance over 5

Service Mesh for Quality Microservices

Pricing & free-tier limitsLinkerd OSS $0 unlimited services/mesh self-hosted | Cilium OSS $0 | Istio OSS $0 | Buoyant Cloud (Linkerd managed) Free 1 cluster $0, Team $25/mesh/mo + $5/service/mo $5/service over 10 | Solo.io Gloo Mesh Enterprise $500/mo per cluster + $50/service/mo over free 10 svc $15/svc over

Feature Store for Anomaly ML Features

Pricing & free-tier limitsFeast OSS $0 unlimited features self-hosted on Redis $0 | Hopsworks Community OSS $0 self-hosted, Cloud Free $500 credits $0, Serverless $0.80/CU-hr $0.20/GB over storage | Tecton Lite $25k/yr (~$2,083/mo) 10k features $5k per 1k features over, Enterprise $100k/yr 50k features $3k/1k over $0.10/10k online fetches over

Search for Quality Incidents & Docs

Pricing & free-tier limitsMeilisearch OSS $0 unlimited docs self-hosted | Typesense OSS $0 self-hosted, Cloud Free 500k docs 1GB RAM $0 then $40/mo 5M docs 4GB RAM $10/1M docs $10/GB RAM over | Elastic Self-hosted $0, Serverless Free 10GB storage $0 then Starter $95/mo 50GB $1.50/GB over $0.12/1k search over | Algolia Free 10k records $0 $0.50/1k over

CDN for Quality Portal Assets

Pricing & free-tier limitsCloudflare Free $0 unlimited bandwidth/DDoS/WAF $0 | Bunny Free trial, $1/mo min + $0.01/GB NA/EU $0.03/GB Asia $0.005/GB over 1TB volume discount | CloudFront Free 1TB transfer + 10M req 12mo $0 then $0.085/GB first 10TB $0.0075/10k req $0.01/GB over 100TB $0.02/GB | Fastly $50/mo min $0.12/GB NA $0.19/GB APAC $0.20/GB over $0.10/M req over

Identity & Access Management (IAM) for Quality

Pricing & free-tier limitsKeycloak OSS $0 unlimited MAU/users/SSO self-hosted | Ory OSS $0 self-hosted, Cloud Free 10k MAU $0 then Pro $199/mo 50k MAU $0.05/MAU over $0.02/MAU over 100k | Auth0 Free 25k MAU $0 then Essentials $35/mo 1k external MAU + $0.07/MAU over, Pro $240/mo 1k MAU $0.08/MAU over | Okta Free 100 MAU 1k workforce $0, Starter $250/mo 5k MAU $0.05/MAU over, $2/user/mo workforce over

Compliance Framework for Data Reliability (SOC2/HIPAA)

Pricing & free-tier limitsProwler OSS $0 unlimited scans self-hosted | Secureframe Free 5 controls $0, Starter $3k/yr (~$250/mo) 50 controls $10/control over, Plus $7.5k/yr $500/mo | Vanta Free trial 7 days $0, Team $6k/yr (~$500/mo) 25 employees, Growth $12k/yr $1k/mo 100 employees $40/employee/mo over, Enterprise $25k/yr | Drata $6k/yr $500/mo 25 employees $30/employee over

Data Loss Prevention for Sensitive Quality Data

Pricing & free-tier limitsPresidio OSS $0 self-hosted unlimited scans | Nightfall Free 100 files/mo $0, Essentials $5/user/mo 10k files $0.50/1k files over, Enterprise $10/user/mo 50k files $0.30/1k over | BigID Starter $40k/yr (~$3,333/mo) 10TB scanned $500/TB over, Enterprise $120k/yr 100TB $300/TB over | Spirion $30k/yr

DDoS Protection for Quality APIs

Pricing & free-tier limitsCloudflare Free $0 unlimited L3/4/7 mitigation + 100k WAF rules $0 | AWS Shield Standard free $0, Advanced $3,000/mo + $0.05/GB over 1TB DDoS mitigation, $0.05/WAF req $0.05/M over 10M | Fastly DDoS included $0 + Next-Gen WAF $3,500/mo 10M req $0.15/M over | Imperva Free trial $0, Pro $500/mo + $0.30/GB over 2TB

Hardware Security Module (HSM) for Root Keys

Pricing & free-tier limitsSoftHSM2 OSS $0 self-hosted | YubiHSM 2 $650 one-time CAPEX + $120 replacement 3yr $0/mo operational $0 over | AWS CloudHSM $1.88/hr per HSM (~$1,370/mo) $1.88/hr per extra HSM over, backup $0.03/GB/mo $0.02/GB over 10GB | GCP Cloud HSM $1.90/hr/cluster $0.03/10k ops over $1.00/version/mo over 10 | Azure Dedicated HSM $2.20/hr

VPC / VNet Isolation for Quality Infra

Pricing & free-tier limitsAWS VPC $0 free, NAT Gateway $0.045/hr (~$32/mo) + $0.045/GB processed $0.05/GB over 1TB, 1GB free/mo | GCP VPC $0 free, Cloud NAT $0.045/hr $0.045/GB $0.05/GB over | Hetzner Networks + Firewall Free $0, Load Balancer $0.60/mo $0.40/GB over 20TB | Transit Gateway $0.05/hr/attachment (~$36/mo) + $0.02/GB processed $0.02/GB over 1TB

Pricing & free-tier limitsVPC Peering $0.01/GB cross-AZ free same-AZ | Tailscale Free 3 users 100 devices $0, Personal Pro $90/yr (~$7.50/mo) unlimited subnets $0.01/GB relay over 1TB | Cloudflare Tunnel Free $0 | AWS PrivateLink $0.01/hr/endpoint (~$7.20/mo) + $0.01/GB processed $0.01/GB over 1TB free 1TB data processed via NLB $0.0225/hr $0.02/GB | GCP PSC $0.01/hr + $0.01/GB over $0.02/GB inter-region over

Disaster Recovery & Multi-Region for Quality Store

Pricing & free-tier limitsLitestream/rclone/Velero OSS $0 + B2 storage $0.006/GB/mo | R2/S3 same-region replication $0.02/GB transfer, CRR $0.02/GB + $0.023/GB storage $0.015/GB over 1TB | Backblaze B2 Free 10GB $0 then $0.006/GB/mo $0.01/GB download over | RDS Multi-AZ doubles instance cost ($0.20/hr -> $0.40/hr) + $0.095/GB/mo backup $0.10/GB over 20GB free | AWS DR $50/instance/mo

Cost Monitoring for Quality Infrastructure

Pricing & free-tier limitsOpenCost/Kubecost OSS $0 self-hosted unlimited clusters | Kubecost Free 1 cluster $0, Team $599/mo 10 clusters $50/cluster over | Infracost OSS $0, Cloud Free 5k line items $0, Pro $50/mo 20k lines $10/1k lines over $0.50/1k lines over 100k | CloudHealth Free limited 3 accounts $0, Essentials $2,500/mo 10 accounts $50/account over $100/account enterprise over | Harness CCM $30k/yr ~$2,500/mo starter 50 services $200/service over

Options and prices come straight from our research sheets for a enterprise quality and observability project. Prices are estimates and change often — always confirm on the provider's page before committing.

How this enterprise quality and observability checklist works.

Each requirement below is something a enterprise quality and observability build typically needs. Pick one of the four researched options — recommended, free, cheaper or paid — add your own with "Other", or skip the requirement if your project doesn't need it. Nothing is mandatory; the plan on the right tracks what you've decided so nothing gets forgotten.

Your picks are saved in this browser automatically, so you can come back anytime. Options are researched per build level and refreshed as vendors change their plans — always verify details on the provider's page before committing.