Temporal vs GitHub Actions

Temporal

GitHub Actions

Temporal · 16 features

• Activities — Retryable units of work.
• Activity Retries — Declarative retry policies.
• Child Workflows — Nested workflow composition.
• Continue-As-New — Close + restart workflow to prune history.
• Nexus (cross-namespace) — Call workflows across namespaces/teams.
• Queries — Synchronous read of workflow state.
• Saga / Compensations — Rollback pattern via compensating activities.
• Schedules — Cron-like recurring workflows.
• Self-Host — Deploy cluster on your infra.
• Signals — Async messages into a running workflow.
• Timers — Durable sleeps — hours, days, months.
• Update — Synchronous RPC into workflow with validation.
• Visibility + Search Attrs — Query workflow state via Elasticsearch/native store.
• Web UI — Inspect workflow history, events, stack.
• Workflows — Durable, replayable, long-running functions.
• Workflow Versioning — Patch workflow code without breaking in-flight runs.

GitHub Actions · 18 features

• Actions Cache — Persistent cache across runs.
• Actions Marketplace — 20K+ reusable actions.
• ARC (K8s Controller) — Autoscale self-hosted on K8s.
• Artifacts — Upload/download job outputs.
• Composite Actions — Actions made of other actions.
• Concurrency Groups — Cancel / queue overlapping runs.
• Container Jobs — Run a whole job in a Docker image.
• Environments + Approvals — Gate deploys with manual approval.
• Job Summaries — Markdown summaries in UI.
• Larger Runners — 4-64 vCPU, ARM, GPU.
• Matrix Strategy — Fan out over axes.
• OIDC Cloud Auth — Exchange JWT for cloud credentials.
• Reusable Workflows — workflow_call.
• Secrets + Variables — Encrypted org/repo/env secrets.
• Self-Hosted Runners — Your own runners.
• Service Containers — Sidecar containers (DBs, Redis) per job.
• Triggers — push, pull_request, schedule, workflow_dispatch, etc.
• Workflows — Event-driven YAML workflows.