Staxly

Upstash vs MongoDB Atlas

Serverless Redis + Kafka + Vector + QStash — per-request pricing
vs. Managed MongoDB with search, vector, stream processing

Upstash website ↗MongoDB Atlas ↗

Pricing tiers

Upstash

Free
Redis: 256 MB + 500k cmds/mo. Vector: 10k queries/mo. QStash: 500 msgs/day.
Free
Pay-as-you-go
Redis: $0.2 per 100k cmds. Vector: $0.4/M queries. QStash: $1 per 100k.
$0 base (usage-based)
Fixed Plans
From $10/mo. 250MB-500GB Redis. $5/read region. 50GB bandwidth included.
$10/mo
Prod Pack
+$200/mo per DB. SLA + RBAC + encryption + SOC-2 + Prometheus + Datadog.
$200/mo
Enterprise
Custom. 100k+ cmd/sec, unlimited bandwidth, HIPAA.
Custom
Upstash website ↗

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
MongoDB Atlas ↗

Free-tier quotas head-to-head

Comparing free on Upstash vs m0 on MongoDB Atlas.

MetricUpstashMongoDB Atlas
backups—0 backups
ops per sec—100 ops/sec
sort memory mb—32 MB
storage gb—0.5 GB

Features

Upstash · 12 features

  • Cron (via QStash) — Scheduled HTTP callbacks on any interval.
  • Edge-Ready — Native for CF Workers, Vercel Edge, Deno, Bun.
  • Global Database — Multi-region Redis reads.
  • HTTP REST APIs — Every product has REST — works from edge runtimes.
  • QStash — HTTP-based message queue + cron scheduler for webhooks.
  • QStash Webhooks — Outgoing webhook delivery with retries + DLQ.
  • Read Regions — Add read replicas in any region ($5/mo each).
  • @upstash/ratelimit — Redis-backed rate limiter lib.
  • Upstash Redis — Serverless Redis with HTTP REST + RESP TCP.
  • Upstash Search — Full-text + semantic search engine.
  • Upstash Vector — Serverless vector DB with REST API. HNSW indexing.
  • Upstash Workflow — Durable workflow runtime built on QStash.

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

KindUpstashMongoDB Atlas
CLI—Atlas CLI, MongoDB Shell (mongosh)
SDKupstash-redis / vector (Python), @upstash/redis / vector / qstashAtlas Device SDK (Realm), MongoDB Go Driver, MongoDB Java Driver, MongoDB .NET/C# Driver, mongodb (Node driver), mongodb (Rust), pymongo
RESTQStash REST API, Upstash Redis REST API, Upstash Vector RESTAtlas Admin API, Atlas Data API
MCP—MongoDB MCP Server
OTHERRESP (TCP)MongoDB Compass (GUI), MongoDB Wire Protocol
Staxly is an independent catalog of developer platforms. Some links to Upstash and MongoDB Atlas may be affiliate links — Staxly may earn a commission if you sign up through them, at no extra cost to you. Pricing is verified against vendor pages at publication time — reconfirm before buying.

Want this comparison in your AI agent's context? Install the free Staxly MCP server.