Temporal vs MongoDB Atlas
Durable execution platform for mission-critical workflows
vs. Managed MongoDB with search, vector, stream processing
Pricing tiers
Temporal
Self-Hosted (OSS)
Free forever. MIT license. Run the Temporal cluster yourself on K8s/Docker.
$0 base (usage-based)
Cloud (usage-based)
Temporal Cloud. Pay per action ($25 per 1M actions base). Active user + storage also billed.
$0 base (usage-based)
Business Plan
Starts ~$100/mo commit. Multi-region, SSO, priority support.
Custom
Enterprise
Custom. HIPAA, PCI, dedicated clusters, enterprise SLA.
Custom
MongoDB Atlas
M0 — Free
Shared cluster, 512 MB storage, 100 ops/sec, 32 MB sort memory. Learning/exploration.
Free
Flex — Serverless
Autoscales 0-500 ops/sec. 5 GB storage. Pay-as-you-go, up to ~$30/mo.
$8/mo
M2 — Shared
Shared, 2 GB storage. Staging / small apps.
$9/mo
M5 — Shared
Shared, 5 GB storage.
$25/mo
M10 — Dedicated
2 GB RAM, 2 vCPU, 10-128 GB storage. First dedicated tier.
$57/mo
M20 — Dedicated
4 GB RAM, 2 vCPU, 20-256 GB storage.
$144/mo
M30 — Dedicated
8 GB RAM, 2 vCPU, 40-512 GB storage.
$389/mo
M40 — Dedicated
16 GB RAM, 4 vCPU, 80 GB-1 TB storage.
$749/mo
M50 — Dedicated
32 GB RAM, 8 vCPU, 160 GB-4 TB storage.
$1440/mo
M60 — Dedicated
64 GB RAM, 16 vCPU.
$2844/mo
M80 — Dedicated
128 GB RAM, 32 vCPU, 750 GB-4 TB.
$5256/mo
M300 — Dedicated
384 GB RAM, 96 vCPU.
$15732/mo
Enterprise
Multi-region Advanced, private network, BYOK, dedicated support.
Custom
Free-tier quotas head-to-head
Comparing oss on Temporal vs m0 on MongoDB Atlas.
| Metric | Temporal | MongoDB Atlas |
|---|---|---|
| backups | — | 0 backups |
| ops per sec | — | 100 ops/sec |
| sort memory mb | — | 32 MB |
| storage gb | — | 0.5 GB |
Features
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.
MongoDB Atlas · 14 features
- Atlas App Services — Backend-as-a-service: Functions, HTTPS endpoints, users + auth, sync.
- Atlas Charts — Embedded dashboards + visualizations from Atlas data.
- Atlas Database — Core MongoDB with automated backups, monitoring, scaling on AWS/Azure/GCP.
- Atlas Data Federation — Query across Atlas, S3, and HTTP endpoints in one pipeline.
- Atlas Device Sync (Realm) — Offline-first mobile DB that syncs bidirectionally with Atlas.
- Atlas Search — Apache Lucene-based full-text search integrated into MongoDB aggregation pipelin…
- Atlas Stream Processing — Continuous processing of MongoDB change streams + Kafka. Pipeline aggregations o…
- Atlas Triggers — Database change triggers, scheduled triggers. Run Atlas Functions (Node.js).
- Atlas Vector Search — Vector similarity search via $vectorSearch operator. HNSW index. Up to 4096 dims…
- BYOK Encryption — Bring your own KMS key (AWS KMS, Azure Key Vault, GCP KMS).
- Data API — Read/write via REST. Alternative to drivers for edge/serverless.
- Multi-Region Clusters — Single cluster distributed across multiple regions for HA + low latency.
- Online Archive — Tiered storage: automatic cold data movement to cheaper S3-backed storage.
- Private Networking — VPC Peering, PrivateLink, CIDR allowlist.
Developer interfaces
| Kind | Temporal | MongoDB Atlas |
|---|---|---|
| CLI | temporal CLI | Atlas CLI, MongoDB Shell (mongosh) |
| SDK | Temporal Go SDK, temporalio (Python), @temporalio (TypeScript), Temporal Java SDK, Temporal .NET SDK, Temporal PHP SDK | Atlas Device SDK (Realm), MongoDB Go Driver, MongoDB Java Driver, MongoDB .NET/C# Driver, mongodb (Node driver), mongodb (Rust), pymongo |
| REST | — | Atlas Admin API, Atlas Data API |
| MCP | — | MongoDB MCP Server |
| OTHER | Temporal gRPC API, Temporal Web UI | MongoDB Compass (GUI), MongoDB Wire Protocol |
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