Stack Cost AI

Machine Learning Platformssmall scale 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.

GPU Training Cluster (A100/H100 - Core Compute)

Pricing & free-tier limitsFree: Colab T4 12h/week, 15GB GPU RAM. Lambda: A100 $1.10/hr, H100 SXM $2.49/hr. AWS p4d 8xA100 $32.77/hr ($4.10/GPU-hr). H100 8x $98.32/hr. Free tier $0, overage $1.10-4.50/GPU-hr, Spot 60-70% off.

Distributed Training Orchestration (Ray, DeepSpeed, Horovod)

Pricing & free-tier limitsFree: OSS $0 self-hosted. Anyscale: Free tier $0 for 5 hrs trial, then $1.20/hr head node + workers. DeepSpeed OSS free, managed $0.50/GPU-hr overhead. Overage: data transfer $0.09/GB.

Experiment Tracking & Visualization (W&B, MLflow)

Pricing & free-tier limitsW&B Free: 100GB storage, 1 team, unlimited experiments personal. Team $50/user/mo. MLflow OSS $0 + EC2 ~$20/mo. Neptune Free 1 user, 100h monitoring. Overage: W&B storage $0.60/GB/mo.

Model Registry & Versioning

Pricing & free-tier limitsFree: MLflow OSS $0, HF Free: unlimited public, 1 private model limit 2026. Databricks: $0.40/DBU + storage. SageMaker Registry: $0 listing, storage $0.023/GB/mo. HF Pro $9/user/mo unlimited private.

Artifact Storage for Models & Datasets (S3/GCS)

Pricing & free-tier limitsFree: R2 10GB storage, 10M Class A ops, zero egress fees. S3 Free 5GB 12mo. Wasabi $6.99/TB no egress. S3 Standard $0.023/GB/mo, $0.0004/1k GET, $0.09/GB egress. Overage: $0.023/GB.

Data Versioning & Lakehouse (DVC, LakeFS, Delta Lake)

Pricing & free-tier limitsFree: DVC OSS $0, lakeFS Community $0 self-hosted. lakeFS Cloud Free: 3 repos, 2M objects/mo, 10GB cache. Paid: $0.10/GB scanned + $300/mo base. Databricks DLT $0.20/DBU. Overage: $0.05/GB versioned.

Feature Store (Feast, Tecton, Hopsworks)

Pricing & free-tier limitsFree: Feast OSS $0, Hopsworks Community $0 (3 users). Tecton Free trial $0, then $2k/mo base. SageMaker FS: $0.05/1k writes, $0.01/1k reads, storage $0.023/GB. Feast hosting ~$50/mo infra.

Data Pipeline / ETL Orchestration (Airflow, Spark, Ray Data)

Pricing & free-tier limitsFree: Airflow OSS $0. Astronomer Free: 1 deployment, $0 trial. MWAA: $0.49/env-hr ~$350/mo. Databricks Jobs $0.15/DBU. Spark on EKS: on-demand $0.10/vCPU-hr. Overage: $0.49/hr orchestration.

Vector Database for Evaluation & Retrieval (RAG)

Pricing & free-tier limitsFree: Pinecone Free 100k vectors (1 index). Qdrant Free 1GB RAM, 1 cluster. Chroma $0. Paid: Pinecone Starter $70/mo 1M vectors. Serverless $0.33/1M writes, $0.08/1M reads, storage $0.33/GB. Overage: 100% over = auto upgrade.

Model Serving / Inference Framework (Seldon, KServe, BentoML, vLLM)

Pricing & free-tier limitsFree: OSS $0 + GPU cost. BentoCloud Free: $0 trial 200hrs. Anyscale Endpoints: $0.50/1M tokens Llama2-70B + GPU hr. Seldon Enterprise $3k/mo base. vLLM self-hosted $0 + A10G $0.75/hr. Overage: $0.75-4/GPU-hr.

Serverless GPU Inference Hosting (Modal, Replicate, Anyscale)

Pricing & free-tier limitsFree: Modal $30/mo credit (A10G ~40hrs). Replicate $5 free credit. Paid: Modal A10G $0.75/hr, A100 $1.95/hr, billed per second (0.01s). Replicate $0.000725/s A100 ($2.61/hr). Anyscale Llama3-70B $0.59/1M input, $0.79/1M output tokens. Overage: per-second GPU $0.0002-0.0012/s.

Hyperparameter Tuning (Optuna, Ray Tune, W&B Sweeps)

Pricing & free-tier limitsFree: Optuna, Ray Tune OSS $0. W&B Sweeps Free 3 sweeps concurrent. Paid: W&B Team $50/user/mo includes sweeps. Determined AI Free trial, then $2k/mo cluster. Self-host cost ~ $0 + GPU. Overage: GPU $1-4/hr.

CI/CD for ML Pipelines (GitHub Actions, Metaflow, MLflow Pipelines)

Pricing & free-tier limitsFree: GH Actions 2000 min/mo Linux, Metaflow $0. Paid: GH Team $4/user/mo 3000 min, larger runners $0.008/min 2-core. AWS CodePipeline $1/active pipeline/mo. Self-hosted runner $0 + EC2. Overage: $0.008-0.016/min.

Notebook / IDE Infrastructure (JupyterHub, SageMaker Studio)

Pricing & free-tier limitsFree: Kaggle 30h GPU/week, Colab 12h. JupyterHub self-host $0 + EC2 ~$30/mo. SageMaker Studio: ml.t3.medium $0.05/hr, ml.g5.xlarge $1.41/hr. Deepnote Free 750h standard. Overage: $0.05-3.5/hr instance.

Model Monitoring & Drift Detection (Evidently, WhyLabs, Arize)

Pricing & free-tier limitsFree: Evidently OSS $0, WhyLabs Free 1M profiles/mo. Arize Free 1k predictions/day. Paid: WhyLabs Pro $250/mo 5M profiles, Arize $500/mo base. Evidently Cloud $200/mo. Overage: $0.00001/prediction, $0.15/1k inferences.

LLM Evaluation & Tracing (LangSmith, Langfuse, Helicone)

Pricing & free-tier limitsFree: LangSmith Free 5k traces/mo. Langfuse Cloud Free 50k observations/mo. Helicone Free 10k requests/mo. Paid: LangSmith Plus $79/mo 10k traces, Pro $399/mo 50k. Langfuse Pro $39/mo 100k obs. Overage: $0.005/1k observations, LLM token log $0.001/1k tokens.

Logging & Observability (Datadog, Grafana Loki, OpenTelemetry)

Pricing & free-tier limitsFree: Grafana Cloud Free 50GB logs, 50GB traces, 10k metrics. SigNoz OSS $0. Datadog Free 14d trial then $15/host/mo + logs $0.10/GB. Grafana Pro $29/mo. Overage: $0.50/GB logs ingested, $0.10/1k metrics.

Secrets Management (HashiCorp Vault, AWS Secrets Manager)

Pricing & free-tier limitsFree: Vault OSS $0, Doppler Free 5 projects. AWS Secrets Manager Free 40 secrets 30d. Paid: AWS $0.40/secret/mo + $0.05/10k API calls. Vault Cloud $0.03/hr small ~$22/mo. Doppler $18/user/mo. Overage: $0.40/secret/mo.

Container Registry & Orchestration (Kubernetes - EKS/GKE)

Pricing & free-tier limitsFree: GHCR Free 500MB storage, Docker Hub Free 1 private repo. EKS $73/cluster/mo + EC2. ECR Free 500MB/mo 12mo, then $0.10/GB-mo + $0.20/GB transfer. GKE Standard $0.10/hr cluster (~$73/mo). DOKS $12/mo. Overage: $0.10/GB registry + $73 cluster.

Options and prices come straight from our research sheets for a small scale machine learning platforms project. Prices are estimates and change often — always confirm on the provider's page before committing.

How this small scale machine learning platforms checklist works.

Each requirement below is something a small scale machine learning platforms 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.