Stack Cost AI

Pipeline Orchestrationhobby 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.

Orchestrator Core

Pricing & free-tier limitsAirflow OSS Free self-hosted | MWAA $0.55/hr env (~$396/mo) + $0.013/vCPU-hr + $0.0068/GB-hr | Astronomer Standard $550/mo per env + $0.18 per Astro Unit-hr, Scale $2000/mo | Dagster Cloud Free 1M events/mo + 3 seats, Pro $300/mo + $0.25 per 1K runs over, Insights $0.10 per 10K events overage

Scheduler / Cron Engine

Pricing & free-tier limitsLinux Cron Free | GitHub Actions Cron 2K mins/mo Free then $0.008/min | EventBridge Scheduler Free 14M invocations then $1.00 per 1M reqs over | Temporal Cloud $25/mo + $0.20 per 1K scheduled actions over 100K

Metadata Database (Airflow / Dagster metastore)

Pricing & free-tier limitsSelf-hosted Free + compute | Neon Free 0.5GB storage + 100 CU-hrs/mo then Scale $19/mo 10GB + $0.12/CU-hr over | Supabase Free 500MB then $25/mo 8GB + $0.21/GB over | RDS db.t3.micro $15/mo, db.r6g.large $220/mo + $0.115/GB-mo storage, Snapshot $0.095/GB-mo

Worker Execution / Compute (Celery / K8s Executor)

Pricing & free-tier limitsDocker Compose Free | ECS Fargate Spot $0.0124/vCPU-hr + $0.00138/GB-hr (70% off) | EKS Control Plane $73/mo + EC2 Spot m6i.large $0.03/hr, Fargate $0.04/vCPU-hr | GKE Autopilot $0.0445/vCPU-hr + $0.0049/GB-hr + $0.10/hr mgmt fee

Artifact Storage for DAG Definitions & Code

Pricing & free-tier limitsLocal FS Free | MinIO OSS Free + disk | R2 Free 10GB storage + 10M Class A + 50M Class B ops/mo, then $0.015/GB-mo storage | S3 $0.023/GB-mo first 50TB, PUT $0.005/1K, GET $0.0004/1K, Egress $0.09/GB first 10TB over free tier

Log Aggregation for Task Logs

Pricing & free-tier limitsLoki OSS Free self-hosted | CloudWatch Free 5GB ingest + 5GB archive then $0.50/GB ingest + $0.03/GB-mo archive, $0.50/GB scan Logs Insights | Datadog Free 1GB/day trial then $0.10/GB ingest + $1.70 per 1M events indexed over 100, + $0.10/GB retention over

Monitoring for DAG Runs (Uptime, Duration)

Pricing & free-tier limitsPrometheus/Grafana OSS Free | Grafana Cloud Free 10K metrics + 50GB logs + 50GB traces then Pro $8/user/mo + $8 per 1K metrics over | AMP $0.90 per 1M ingested samples free 40M samples query, AMG $9/editor/mo | Datadog Infra Enterprise $23/host/mo + APM $34/host-mo + $0.20/1K spans overage

Alerting / Incident Management

Pricing & free-tier limitsSlack Webhook Free | SES Free 3K msgs/mo then $0.10 per 1K | Opsgenie Free 5 users + 1K SMS mins then Standard $29/user/mo + $0.30/SMS overage, Enterprise $71/user/mo | PagerDuty Free 1 user, Pro $41/user/mo + $0.25/SMS + $0.10/email over 500/mo

Secrets Management for Pipeline Credentials

Pricing & free-tier limitsSOPS/Env Free | Doppler Free 25 secrets 1 project then Team $18/user/mo 500 secrets + $0.05/secret over | AWS Secrets $0.40/secret/mo + $0.05 per 10K API calls, Free 30 days | HCP Vault $0.03/hr cluster ~$22/mo + $0.03 per 10K txns, Dedicated $0.48/hr ~$350/mo

CI/CD for DAG Deployment

Pricing & free-tier limitsJenkins OSS Free | GitHub Actions Free 2000 Linux mins + 500MB storage then $0.008/min Linux + $0.25/GB-mo overage | GitLab Free 400 CI mins then Premium $29/user/mo + $0.008/min over | CircleCI Free 6000 credits then Scale $35/mo + $0.06/credit over, $0.10/GB egress over

Backup for Orchestrator Metadata DB

Pricing & free-tier limitspg_dump Free + S3 storage $0.023/GB-mo | AWS Backup $0.05/GB-mo warm backup + $0.02/GB-mo warm + $0.03 restore over | RDS Snapshot Free up to DB size 7-day retention + $0.095/GB-mo over, PITR storage $0.095/GB-mo | Veeam $18 per instance/mo + $0.05/GB-mo overage

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

How this hobby pipeline orchestration checklist works.

Each requirement below is something a hobby pipeline orchestration 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.