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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.

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Middleware logo
Middleware
✓ verifiedFreemium

Full-stack observability platform with an AI SRE agent that detects, debugs, and auto-fixes issues across infra, apps, and users.

47K visits/mo713 saves
Union Cloud logo
Union Cloud
✓ verifiedPaid

Cloud-agnostic AI/ML workflow orchestrator that runs pipelines inside a customer's own infrastructure for compute-heavy teams.

25K visits/mo
Dagster logo
Dagster
✓ verifiedFreemium

Open-source asset-based data orchestrator, with Dagster+ cloud, for building, observing and delivering reliable data and AI pipelines.

152K visits/mo
CloudKeeper Tuner logo
CloudKeeper Tuner
✓ verifiedPaid

Automated AWS usage optimization platform giving engineers 150+ recommendations across 50+ services, averaging ~10% savings.

43K visits/mo
StackGen logo
StackGen
✓ verifiedPaid

Agentic AI platform ('Aiden') that automates incident response, infrastructure-as-code and observability tasks with policy-based governance.

13K visits/mo
Pricing

No public pricing

Team: $950/month + usage (1,000 concurrent actions, 30-day retention, 1 cluster)
Solo: $10/mo + $0.040/credit (1 user)
Starter: $100/mo + $0.035/credit (up to 3 users)

Free trial available

CloudKeeper Tuner: 2% of monthly AWS bill (1% for CloudKeeper AZ/EDP+ customers)

Free trial available

No public pricing

Core features
  • Infrastructure and application performance monitoring
  • Log monitoring with AI insights
  • Real user monitoring
  • OpsAI SRE agent for detection and auto-fix
  • Synthetic and browser testing
  • LLM observability
  • Python-native dynamic workflow authoring
  • Automatic failure recovery, caching, and versioning
  • Zero Trust architecture keeping data inside customer's cloud
  • Real-time inference and agentic-AI workflow support
  • High-throughput scaling (tens of thousands of actions per run)
  • Local development environment matching production behavior
  • Asset-based pipeline orchestration
  • Built-in lineage and data-quality checks
  • Data catalog with asset metadata
  • Native dbt, Snowflake and Fivetran integrations
  • Branch deployments and hybrid deployment
  • Open-source core plus managed Dagster+ cloud
  • 150+ recommendations across 50+ AWS services
  • Zombie and unused resource cleanup
  • Over-provisioned rightsizing
  • Idle-resource scheduler
  • SpotBot for ECS Fargate spot/on-demand switching
  • AWS console extension with Slack/Teams alerts
  • Automated service discovery and dependency topology mapping
  • SLO-based alert triage and prioritization
  • AI-driven root cause analysis with pre-built workflows
  • Human-approved remediation with full audit trails
  • Works alongside existing tools like Datadog, Grafana, New Relic
  • Governance and policy enforcement layer for agent actions
Use cases
  • Monitor full-stack app and infra health
  • Debug incidents faster with AI
  • Correlate frontend and backend issues
  • Observe Kubernetes and cloud environments
  • ML teams orchestrating training and inference pipelines at scale
  • Biotech/geospatial companies needing GPU-heavy pipeline orchestration
  • Enterprises migrating off Airflow for ML workflow management
  • Teams requiring workflows that never send data outside their own cloud
  • Orchestrate ETL/ELT and dbt pipelines
  • Monitor data health and lineage
  • Build AI/ML data pipelines
  • Run reliable, observable data platforms
  • Cutting AWS spend automatically
  • Rightsizing over-provisioned resources
  • Scheduling idle resources off-hours
  • Giving DevOps in-console cost recommendations
  • SRE teams reducing mean-time-to-resolution during incidents
  • Platform engineers wanting policy-governed AI infrastructure management
  • Enterprises needing SOC 2 / PCI / HIPAA-compliant AI operations
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