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MongoDB vs Neon
Neon is a serverless Postgres offering; MongoDB focuses on document storage, integrated vector search and flexible scaling across clouds.
Which to pick
Pick MongoDB if you want…
- Unified document, vector and analytics platform
- Integrations with AWS, Google Cloud or Microsoft Azure (on MongoDB's list, not Neon's)
Pick Neon if you want…
- Serverless Postgres with full backend suite
- Serverless SQL
- Integrations with Better Auth, Databricks or pgBouncer (on Neon's list, not MongoDB's)
Side by side
- What it is
- MongoDB:MongoDB is a flexible document database offering self-hosted or fully managed Atlas cloud services.
- Neon:Neon provides a serverless Postgres database with built-in auth, object storage, functions and an AI gateway.
- Best for
- MongoDB:Unified document, vector and analytics platform
- Neon:Serverless Postgres with full backend suite
- Who it’s for
- MongoDB:Developers building data-intensive, real-time or AI-enabled applications.
- Neon:Developers building apps or agents that need instant, branchable backends.
- Pricing
- MongoDB:Freemium
- Neon:Freemium
- Plans
- MongoDB:Free $0/hour · Flex $0.011/hour per hour · Dedicated $0.08/hour per hour · Atlas Infinite $0.09/hour per hour
- Neon:Free $0
- Works with
- MongoDB:AWS, Google Cloud, Microsoft Azure, Apache Kafka
- Neon:Better Auth, Databricks, pgBouncer
MongoDB features
- Atlas Managed Service. Fully managed, multi-cloud database with automated failover and scaling.
- Atlas Infinite. Decoupled compute and storage for extreme elasticity and AI workloads.
- Atlas Agent Engine. Runs production AI agents on Atlas without locking to a specific model.
- Vector Search. Semantic search and recommendation engines using integrated vector representations.
- Stream Processing. Process high-velocity event streams via the same aggregation pipeline as the database.
- MongoDB 9.0. Up to 2× throughput and faster queries for transactional and AI use cases.
Neon features
- Serverless Postgres. Lakebase Postgres scales compute and storage independently and auto-scales in real time.
- Managed Auth. Fully-managed Better Auth integration provides free user authentication per database.
- Branchable Storage. S3-compatible object storage and database branches copy-on-write for isolated environments.
- Functions. Serverless functions run close to the database without timeouts.
- AI Gateway. Single API to access frontier and open-source models at cost-based rates.
- Autoscaling & Scale-to-Zero. Compute auto-adjusts to demand and scales to zero when idle, billed per CU-hour.
- High Availability & Read Replicas. Multi-AZ storage and read replicas are included on all plans.
- Extensions Library. Supports Postgres extensions such as pg_vector, PostGIS, TimescaleDB, etc.
MongoDB vs Neon FAQ
Is MongoDB or Neon free?+
MongoDB has a free plan and paid plans. Neon has a free plan and paid plans.
Do MongoDB and Neon integrate with the same tools?+
Their integration lists don't overlap: MongoDB lists AWS, Google Cloud, Microsoft Azure and Apache Kafka; Neon lists Better Auth, Databricks and pgBouncer.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.