Flagsmith vs Neon
Open-source feature flags + remote config — SaaS, private cloud, self-host
vs. Serverless Postgres with branching and bottomless storage
Pricing tiers
Flagsmith
Free
$0. 50,000 API requests/mo. 1 team member. Unlimited flags. Community support.
Free
Self-hosted
$0 (OSS). Host yourself via Docker/K8s. Fair-source license (non-compete).
$0 base (usage-based)
Start-up
$40/mo. 1,000,000 API requests/mo. 3 team members. Standard support.
$40/mo
Scale-up
$200/mo. 5,000,000 API requests. 10 team members. Priority support + SLA.
$200/mo
Enterprise
Custom. Unlimited API requests, SSO, SAML, RBAC, audit logs, on-prem.
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 free on Flagsmith vs free on Neon.
| Metric | Flagsmith | Neon |
|---|---|---|
| branches per project | — | 10 branches |
| cu hours per project | — | 100 CU-hours/month |
| egress gb month | — | 5 GB/month |
| pitr retention hours | — | 6 hours |
| projects | — | 100 projects |
| storage gb per project | — | 0.5 GB |
| team members | — | 3 users |
Features
Flagsmith · 14 features
- A/B Testing — Multivariate flag splits.
- Audit Log — Full history of flag changes.
- Change Requests — Approval workflow for flag changes.
- Edge API — Global low-latency flag eval.
- Feature Flags — Boolean + multivariate + JSON flags.
- Local Evaluation — Server SDKs eval flags locally — no per-req API call.
- Percentage Rollouts — Gradual traffic ramp.
- Remote Config — Non-boolean config values.
- Role-Based Access — Fine-grained permissions.
- Scheduled Flags — Time-based flag changes.
- Segments — Rule-based targeting.
- Self-Hosting — Docker/Helm install.
- SSO + SAML — Enterprise SSO.
- Webhooks — Outbound event streaming.
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 | Flagsmith | Neon |
|---|---|---|
| CLI | Flagsmith CLI | Neon CLI |
| SDK | flagsmith-android, flagsmith-go, flagsmith-ios, flagsmith-java, flagsmith-js (browser), flagsmith-nodejs, flagsmith-python, flagsmith-ruby | @neondatabase/serverless |
| REST | Flagsmith REST API | Management / Control Plane API, Neon Data API (REST), SQL over HTTP |
| MCP | — | Neon MCP Server |
| OTHER | Flagsmith Dashboard, Flagsmith Webhooks | Postgres Wire Protocol |
Staxly is an independent catalog of developer platforms. Outbound links to Flagsmith 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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