PlanetScale vs Neon vs Supabase: Which Serverless Database Wins in 2026?
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So you're building something new — an API, a side project, maybe the next big SaaS — and you don't want to manage a database server. You want something that scales automatically, bills you only for what you use, and doesn't require a DevOps degree to set up. That's exactly what the "serverless database" category promises.
Three names keep coming up: PlanetScale, Neon, and Supabase. Each takes a different approach, and each has passionate fans. But which one should you actually use in 2026? I've spent weeks running benchmarks, reading documentation, and building real projects on all three. Here's the honest breakdown.
The Contenders at a Glance
- PlanetScale – MySQL-compatible, built on Vitess, pioneered database branching. Strong for teams that need schema changes without downtime.
- Neon – Postgres with true serverless compute/storage separation. Cold starts are real, but it's the closest to "infinite scale" for Postgres.
- Supabase – Postgres with a full backend suite: auth, realtime, storage, and Edge Functions. More than just a database — a Firebase alternative.
Detailed Feature Breakdown
PlanetScale
PlanetScale runs MySQL on top of Vitess (the same tech behind YouTube's scaling). The killer feature is database branching: you can create a copy of your production database instantly, Make schema changes, and merge back — all without downtime. It's like Git for your database.
Performance: Reads are fast, writes are consistent. Because of Vitess, you can scale horizontally by sharding, but that requires some planning. For most projects, you won't need it.
Pricing model: Free tier includes 10GB storage, 1 billion row reads/month, and 10 million row writes/month. Paid plans start at $39/month for 100GB storage and more throughput. You pay for row reads and writes, not compute time. That's great for bursty workloads but can surprise you if you have a lot of small queries.
Developer experience: The CLI (pscale) is excellent. Branching workflows feel natural. The web console is clean. But you're locked into MySQL — no Postgres support.
Best for: Teams doing continuous database migrations, or anyone who values zero-downtime schema changes.
Neon
Neon is Postgres with a twist: it separates compute and storage. The compute layer is stateless and can scale down to zero when idle. Storage is a multi-tenant S3-like system that handles all your data. This means you can have a database that costs nothing when not in use, then springs to life instantly.
Cold starts: The first query after idle time takes ~500ms to 1 second. That's fine for APIs, less so for real-time user interactions. You can configure a minimum compute to avoid cold starts.
Performance: Once warm, Neon runs standard Postgres — no magic, just regular queries. The branching feature is similar to PlanetScale but uses copy-on-write under the hood, which is incredibly fast.
Pricing model: Free tier gives you 500MB storage and 100 compute hours per month (shared compute). Paid plans start at $19/month for 10GB storage and dedicated compute with no cold starts. Compute time is billed per second.
Developer experience: The branching is more limited than PlanetScale's (no schema diff tooling), but the console is modern. They recently added a built-in SQL editor with AI assistance.
Best for: Postgres lovers who want the lowest possible cost for staging or development environments, or projects with intermittent traffic.
Supabase
Supabase started as "open source Firebase" and grew into a full backend platform. At its core is a managed Postgres database, but it also bundles authentication, realtime subscriptions, storage, and Edge Functions (Deno-based). You can build an entire app without leaving their ecosystem.
Performance: Standard Postgres performance, but you also get realtime (via logical replication) and a REST API auto-generated from your schema. No cold starts because the database runs continuously (even on the free tier, though it may be paused after a week of inactivity).
Pricing model: Free tier includes 500MB database, 2GB bandwidth, 50,000 monthly active users, and 1GB file storage. Pro plan is $25/month for 8GB database, 50GB bandwidth, and 100,000 users. Billing is straightforward — no surprise compute charges.
Developer experience: Supabase Studio is the best web-based database UI I've used. You can edit rows, run queries, manage policies, and even browse your storage. The Row Level Security (RLS) system is powerful but has a learning curve.
Best for: Full-stack developers who want Postgres plus all the extras (auth, realtime, storage) without managing separate services.
Comparison Table: Features & Pricing (2026)
| Feature | PlanetScale | Neon | Supabase |
|---|---|---|---|
| Database Engine | MySQL (Vitess) | Postgres | Postgres |
| Free Tier Storage | 10 GB | 500 MB | 500 MB |
| Free Tier Throughput | 1B row reads / 10M row writes per month | 100 compute hours / month | 2 GB bandwidth |
| Paid Starting Price | $39/mo (Scaling) | $19/mo (Launch) | $25/mo (Pro) |
| Branching | Yes, with schema diff | Yes, copy-on-write | No (snapshots only) |
| Cold Starts | No (always-on compute) | Yes (can be reduced) | No (always-on) |
| Realtime | No (requires third-party) | No (requires third-party) | Yes (built-in) |
| Auth / User Mgmt | No | No | Yes |
| Edge Functions | No | No | Yes (Deno) |
| Max Storage (paid) | 1 TB+ | 500 GB | 16 GB (pro) / Enterprise |
| Horizontal Scaling | Yes (Vitess sharding) | No (vertical only) | No (vertical only) |
| Open Source | No (proprietary) | Yes (Apache 2.0) | Yes (Apache 2.0) |
Pros and Cons
PlanetScale
Pros
- Database branching is best-in-class — ideal for CI/CD pipelines
- Zero-downtime schema migrations save production headaches
- Generous free tier with 10GB storage
- Horizontal scaling via Vitess for high-growth apps
Cons
- MySQL only — no Postgres support
- Pricing is based on row reads/writes, which can get expensive for chatty apps
- No built-in realtime or auth features
- Proprietary — you're tied to their platform
Neon
Pros
- True serverless Postgres — compute scales to zero, pay per second
- Branching is fast and cheap for dev/test environments
- Open source (Apache 2.0) — you can self-host if needed
- Good for intermittent workloads with cold start tolerance
Cons
- Cold starts can be annoying for user-facing APIs
- No built-in realtime, auth, or storage
- Storage limit on free tier is only 500MB
- Horizontal scaling is not available (yet)
Supabase
Pros
- All-in-one backend: auth, realtime, storage, and functions
- Best web-based database UI (Supabase Studio)
- Generous free tier with 500MB database and 50k auth users
- Postgres with Row Level Security — flexible and powerful
Cons
- No database branching (only manual snapshots)
- Pricing is flat per month — less granular than usage-based models
- Can feel bloated if you only need a database
- Realtime adds complexity and can be expensive at scale
Verdict: Which One Should You Choose?
There's no universal winner — it depends on what you're building.
Pick PlanetScale if:
- You're using MySQL and need schema branching for CI/CD
- You want zero-downtime deployments and a mature branching workflow
- Your app has predictable read/write patterns (to avoid cost surprises)
Pick Neon if:
- You love Postgres and want the cheapest possible dev/staging databases
- Your app has intermittent traffic (cold starts are acceptable)
- You want open-source flexibility and the ability to self-host
Pick Supabase if:
- You want Postgres plus built-in auth, realtime, and storage
- You're building a full-stack app quickly and don't want to integrate multiple services
- You prefer a flat monthly price over usage-based billing
My personal recommendation for most projects in 2026: Start with Supabase. It gives you the most value out of the box — a solid Postgres database plus everything else you need to ship a modern app. The free tier is generous enough for prototyping, and the Pro plan ($25/month) covers most small-to-medium apps. If you later need branching or horizontal scaling, you can migrate to Neon or PlanetScale.
But if you're building a data-heavy application with frequent schema changes (think: SaaS with many tenants), PlanetScale's branching is a lifesaver. And if you're cost-conscious and only need a database for a low-traffic API, Neon's per-second billing is hard to beat.
FAQ
Is PlanetScale really serverless?
Yes, PlanetScale is serverless in the sense that you don't manage servers. But it's not "scale to zero" — the database is always on, and you pay for row operations, not compute time. It's more like a managed MySQL with usage-based pricing.
Can I use Prisma with all three?
Yes, Prisma works with all three. PlanetScale requires a specific driver (Vitess-compatible), while Neon and Supabase work with standard Postgres adapters. Prisma has first-class support for each.
Which has the best free tier?
PlanetScale offers the most storage free (10GB) and high throughput limits. Supabase's free tier is more feature-rich (auth, realtime, storage). Neon's free tier is best for very low usage (500MB storage, shared compute).
Do any of them support realtime subscriptions?
Only Supabase has built-in realtime (via Postgres logical replication). PlanetScale and Neon require you to add a separate service like Ably or WebSockets.
Can I self-host any of these?
Neon and Supabase are open source and can be self-hosted. PlanetScale is proprietary — no self-hosting option.
Which is best for a high-traffic production app?
PlanetScale scales horizontally with Vitess, making it the safest choice for massive throughput. Supabase and Neon scale vertically — you can upgrade to bigger instances, but there's a ceiling. For most apps, vertical scaling is sufficient.
How do cold starts affect Neon?
The first query after a period of inactivity (typically 5 minutes) takes ~500ms–1s to load the compute endpoint. You can set a minimum compute size to keep it warm, but that increases cost. For APIs with low request frequency, it's fine. For user-facing apps, consider a dedicated compute plan.
Does Supabase support database branching?
Not natively. You can create snapshots and restore them, but there's no workflow for branching and merging changes. That's a key differentiator for PlanetScale and Neon.
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