MongoDB Atlas vs Neon
Managed MongoDB with search, vector, stream processing
vs. Serverless Postgres with branching and bottomless storage
Pricing tiers
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
Neon
Free
100 projects, 0.5 GB storage + 100 CU-hours each. Great for prototypes and preview envs.
Free
Launch
Usage-based, no minimum. Small production workloads. $0.35/GB-month storage, $0.106/CU-hour.
$0 base (usage-based)
Scale
Usage-based, higher compute tier + faster instances ($0.222/CU-hour). Up to 30-day PITR, 1,000 projects.
$0 base (usage-based)
Business
Usage-based with 99.95% SLA, HIPAA available. Private networking $0.01/GB.
$0 base (usage-based)
Free-tier quotas head-to-head
Comparing m0 on MongoDB Atlas vs free on Neon.
| Metric | MongoDB Atlas | Neon |
|---|---|---|
| backups | 0 backups | — |
| branches per project | — | 10 branches |
| cu hours per project | — | 100 CU-hours/month |
| egress gb month | — | 5 GB/month |
| ops per sec | 100 ops/sec | — |
| pitr retention hours | — | 6 hours |
| projects | — | 100 projects |
| sort memory mb | 32 MB | — |
| storage gb | 0.5 GB | — |
| storage gb per project | — | 0.5 GB |
| team members | — | 3 users |
Features
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.
Neon · 14 features
- Autoscaling — Compute scales CPU + memory between min and max CU in seconds based on load.
- Branching — Git-like DB branches: copy-on-write snapshots of data + schema. Instant, cheap. …
- Data API (REST) — PostgREST-compatible REST endpoint auto-generated from your schema. Uses Postgre…
- IP Allowlist — Restrict DB access to specific CIDRs. Launch+.
- Launchpad — One-click create-a-database link that can be embedded in OSS repos (DATABASE_URL…
- Logical Replication — Publish changes to Snowflake, BigQuery, Kafka, or other Postgres. Subscribe from…
- Monitoring — Built-in dashboards for CPU/RAM/connections/slow queries. Prometheus export on B…
- Neon Auth — Stack Auth integrated: users table auto-synced into your Postgres (public.users_…
- Point-in-Time Restore — Restore DB to any moment in the retention window (6h free → 30d Scale) via branc…
- Private Networking — AWS PrivateLink / VPC peering. Business plan.
- Read Replicas — Create a read-only compute endpoint on the same branch. Zero replication lag (re…
- Scale to Zero — Compute suspends when idle — no charge for compute while paused. Cold-start ~300…
- Schema Diff — Compare schema between branches — build PR checks and preview migrations safely.
- SQL over HTTP — Serverless driver lets you query Postgres over HTTPS — works in edge runtimes (V…
Developer interfaces
| Kind | MongoDB Atlas | Neon |
|---|---|---|
| CLI | Atlas CLI, MongoDB Shell (mongosh) | Neon CLI |
| SDK | Atlas Device SDK (Realm), MongoDB Go Driver, MongoDB Java Driver, MongoDB .NET/C# Driver, mongodb (Node driver), mongodb (Rust), pymongo | @neondatabase/serverless |
| REST | Atlas Admin API, Atlas Data API | Management / Control Plane API, Neon Data API (REST), SQL over HTTP |
| MCP | MongoDB MCP Server | Neon MCP Server |
| OTHER | MongoDB Compass (GUI), MongoDB Wire Protocol | Postgres Wire Protocol |
Staxly is an independent catalog of developer platforms. Outbound links to MongoDB Atlas and Neon are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.
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