GitHub Actions vs Convex

GitHub Actions

Convex

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.

Convex · 18 features

• Actions — Non-deterministic functions for external I/O (fetch, AI APIs, email). Cannot rea…
• Authentication — Convex Auth (built-in) or BYO provider (Clerk, Auth0, Kinde, WorkOS). ID tokens …
• Convex Agents — AI agent framework with durable memory, threads, tool use. Works with OpenAI / A…
• Convex Auth — First-party auth library: passwords, magic links, OAuth, phone — stored in your …
• Convex Components — Reusable backend modules (rate limiter, workflow, aggregate, action-retrier, etc…
• Cron Jobs — Recurring schedules defined in convex/crons.ts. UTC, cron-style patterns.
• Durable Workflows — Long-running multi-step workflows with retries and at-least-once guarantees.
• Exception Reporting — Auto-capture errors to Sentry, Axiom, Datadog.
• File Storage — Upload/download via storage API. Returns storage IDs referenced in documents.
• Full-Text Search — BM25 search index on table fields. withSearchIndex query helper.
• HTTP Actions — Expose public HTTP endpoints for webhooks, OAuth callbacks, third-party integrat…
• Log Streams — Stream function logs to Axiom, Datadog, Sentry. Pro+.
• Mutations — Transactional write functions. All reads + writes in one mutation are ACID; conf…
• Preview Deployments — Every Git branch gets its own isolated deployment. Integrates with Vercel/Netlif…
• Queries — Deterministic read-only TS functions. Automatically cached and re-run when under…
• Real-Time Subscriptions — useQuery auto-subscribes; server invalidates when data a query read changes. No …
• Scheduler — schedule.after / schedule.at — enqueue functions to run later. Durable, survives…
• Vector Search — Native vector index on tables. withIndex + filter fields. Up to 4096 dims.