Neon vs MongoDB Atlas
Serverless Postgres with branching and bottomless storage
vs. Managed MongoDB with search, vector, stream processing
Pricing tiers
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)
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 free on Neon vs m0 on MongoDB Atlas.
| Metric | Neon | MongoDB Atlas |
|---|---|---|
| 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
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…
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 | Neon | MongoDB Atlas |
|---|---|---|
| CLI | Neon CLI | Atlas CLI, MongoDB Shell (mongosh) |
| SDK | @neondatabase/serverless | Atlas Device SDK (Realm), MongoDB Go Driver, MongoDB Java Driver, MongoDB .NET/C# Driver, mongodb (Node driver), mongodb (Rust), pymongo |
| REST | Management / Control Plane API, Neon Data API (REST), SQL over HTTP | Atlas Admin API, Atlas Data API |
| MCP | Neon MCP Server | MongoDB MCP Server |
| OTHER | Postgres Wire Protocol | MongoDB Compass (GUI), MongoDB Wire Protocol |
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