MySQL vs PlanetScale
MySQL
Free, open-source relational database management system with manual administration
Enterprises with dedicated database teams, applications with massive datasets, teams needing full control and customization, cost-sensitive projects at scale
PlanetScale
MySQL-compatible serverless database powered by Vitess, built for horizontal scaling.
Startups and scale-ups, development teams avoiding DevOps, projects with unpredictable traffic patterns, applications requiring rapid deployment and CI/CD workflows
Short Answer
MySQL is a traditional open-source relational database you self-host or manage yourself, while PlanetScale is a serverless MySQL-compatible platform with auto-scaling, built-in branching, and managed infrastructure. PlanetScale eliminates operational overhead but charges based on usage, whereas MySQL requires infrastructure management but has zero licensing costs.
Our Verdict
AI-assistedChoose MySQL if you need complete control, have large datasets (>1TB), prefer zero licensing costs, or require deep customization and full autonomy. Choose PlanetScale if you want to launch quickly, value automatic scaling and developer-friendly features like branching, can accept usage-based pricing, and want to eliminate database operations entirely.
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Choose MySQL if
Enterprises with dedicated database teams, applications with massive datasets, teams needing full control and customization, cost-sensitive projects at scale
Choose PlanetScale if
Startups and scale-ups, development teams avoiding DevOps, projects with unpredictable traffic patterns, applications requiring rapid deployment and CI/CD workflows
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Key Differences at a Glance
Key Facts & Figures
| Metric | MySQL | PlanetScale | Diff |
|---|---|---|---|
| Simple Query Throughput(queries/sec) | ~28,000 (MySQL 8.4) | — | — |
| Complex Join Performance(ms response time) | ~450 (5-table join) | — | — |
| Base Memory Footprint(MB) | ~80 (minimal config) | — | — |
| AWS RDS Managed Cost($/month (db.t3.micro, single-AZ)) | $13.50 (MySQL 8.4) | — | — |
| Supported Versions (2026)(major versions) | 5 (8.0-8.4 active) | — | — |
| Replication Lag (typical)(ms) | 5-50 (binary log) | — | — |
| Concurrent Connections(connections) | 151 (default, configurable) | 10,000+ with pooling | -98% |
| Max Database Size(TB) | 140 TB per table | — | — |
| Memory Footprint(MB) | 150-500 MB | — | — |
| Typical Query Response Time(ms) | 5-50 ms (indexed queries) | — | — |
| Average Query Latency (structured data)(ms) | 3-5ms for simple queries | — | — |
| Memory Usage (100GB dataset)(GB) | 8-12GB working set | — | — |
| Years in Production(years) | 25+ years (MySQL 1.0 released 1995) | — | — |
| Write Throughput (single server)(operations/second) | 10,000-50,000 ops/sec | — | — |
| Community Popularity(% of developers) | 46% of web applications (Stack Overflow 2024) | — | — |
| Monthly Cost (10GB, 100K requests)(USD) | $50-200 (self-hosted) | $39-99 | +81% |
| Maximum Storage per Database(TB) | Unlimited | 1 TB | — |
| Community Size (Stack Overflow tags)(thousand questions) | 600+ thousand | 2.5 thousand | +23900% |
| Read Throughput Improvement(x multiplier) | 1x baseline | — | — |
| Cost (On-Demand, Single Instance/Month)(USD) | $0 (open-source) | — | — |
| Uptime SLA(%) | User-dependent (no guarantee) | 99.95% | — |
| Deployment Platforms Supported(count) | 5+ (on-prem, cloud, edge, containers, hybrid) | — | — |
| Free Tier Storage(GB) | 5GB | 5GB | — |
| Minimum Production Tier Cost(USD/month) | $29 | $29 | — |
| Annual npm Downloads (Drivers)(millions) | 2.1M | 2.1M | — |
| Pro Tier Starting Price(USD/month) | $29 | $29 | — |
| Max Single Database Size(TB) | 1000+ TB (unlimited via sharding) | 1000+ TB (unlimited via sharding) | — |
| Free Tier Storage Capacity(GB) | 5 GB | 5 GB | — |
| Free Tier Monthly Read Requests(requests) | 10,000,000 | 10,000,000 | — |
| Startup Plan Monthly Cost(USD) | $39 | $39 | — |
| Global Edge Replication Locations(locations) | 3+ regions | 3+ regions | — |
| Maximum Database Size (Pro Plan)(GB) | 1,000+ GB (1TB+) | 1,000+ GB (1TB+) | — |
| Standard Uptime SLA(percent) | 99.99% | 99.99% | — |
| Setup Time to Production(weeks) | 10-15 minutes | 10-15 minutes | — |
| Free Tier Query Limit(queries/month) | 1,000,000 | 1,000,000 | — |
| Free Tier Storage Limit(GB) | 5GB | 5GB | — |
| Minimum Production Cost(USD/month) | $29 | $29 | — |
| Regions Supported per Cluster(count) | 1 | 1 | — |
| Maximum Concurrent Connections(connections) | 10,000+ | 10,000+ | — |
| Supported Databases(count) | 1 (MySQL) | 1 (MySQL) | — |
| Scaling Response Time(milliseconds) | <100ms | <100ms | — |
| Git Platform Integrations(platforms) | 1 (GitHub only) | 1 (GitHub only) | — |
| Minimum Monthly Cost (Beyond Free)(USD) | $29 | $29 | — |
| Production Cost (100GB Storage, 1 Month)(USD) | $50 | $50 | — |
| Connection Pooling Cost(USD/month) | $20+ add-on | $20+ add-on | — |
| Cold Start Latency(milliseconds) | 200-500ms | 200-500ms | — |
| Maximum Recommended Storage(TB) | 100+ TB | 100+ TB | — |
| PostgreSQL Compatibility(percentage) | 0% (MySQL only) | 0% (MySQL only) | — |
| MySQL Compatibility(percentage) | MySQL 8.0 fully compatible | MySQL 8.0 fully compatible | — |
| Base Monthly Cost (Serverless)(USD) | $0 (pay-per-use from $0.01/hour) | $0 (pay-per-use from $0.01/hour) | — |
| Typical Monthly Cost (1M reads)(USD) | $8-15 (read-based) | $8-15 (read-based) | — |
| Read Latency (Single Region)(milliseconds) | 1-3ms p99 | 1-3ms p99 | — |
| Starting Paid Plan Cost(USD/month) | $39/month | $39/month | — |
All figures sourced from publicly available data. Last updated Jun 2026.
Key Differences
MySQL
Self-hosted or managed by you
PlanetScale
Fully serverless & managed🏆
MySQL
$0-50 (self-hosted) or $200-500 (managed)🏆
PlanetScale
$29-300+ based on usage
MySQL
Manual configuration required
PlanetScale
Automatic, built-in🏆
MySQL
Not a native feature
PlanetScale
Git-like branching for dev/test🏆
MySQL
4-8 hours (from scratch)
PlanetScale
5-10 minutes🏆
MySQL
Extensive (25+ years of resources)🏆
PlanetScale
Growing but smaller
MySQL
Unlimited (hardware dependent)🏆
PlanetScale
Up to 1TB per database
Full Comparison
| Attribute |  MySQL | PlanetScale |
|---|---|---|
| ACID Compliance Level | Partial (InnoDB only) | — |
| Uptime SLA(%) | User-dependent (no guarantee) | 99.95% |
| Standard Uptime SLA(percent) | 99.99% | — |
| Simple Query Throughput(queries/sec) | ~28,000 (MySQL 8.4) | — |
| Complex Join Performance(ms response time) | ~450 (5-table join) | — |
| Replication Lag (typical)(ms) | 5-50 (binary log) | — |
| Concurrent Connections(connections) | 151 (default, configurable) | 10,000+ with pooling |
| Memory Footprint(MB) | 150-500 MB | — |
Show 8 more attributesTypical Query Response Time(ms) 5-50 ms (indexed queries) — Average Query Latency (structured data)(ms) 3-5ms for simple queries — Write Throughput (single server)(operations/second) 10,000-50,000 ops/sec — Read Throughput Improvement(x multiplier) 1x baseline — Maximum Concurrent Connections(connections) 10,000+ — Scaling Response Time(milliseconds) <100ms — Cold Start Latency(milliseconds) 200-500ms — Read Latency (Single Region)(milliseconds) 1-3ms p99 — | ||
| JSON Query Capability | JSON functions only | — |
| Full-Text Search | Limited, basic support | — |
| Time-Series Optimization | Standard table partitioning | — |
| Transaction Support(consistency level) | Full ACID across multiple tables (since v5.7) | Full ACID per-shard (cross-shard eventual consistency) |
| Auto-Scaling Capability | Manual configuration required | Automatic, built-in |
Show 9 more attributesBuilt-in Authentication(boolean) No (requires integration) — Vector Search (pgvector) No — Supported Databases(count) 1 (MySQL) — Git Platform Integrations(platforms) 1 (GitHub only) — Schema Branching Support Yes (native, git-like) — Built-in Application Hosting No (database only) — Branching/Preview Environments Paid add-on (Pro plan $29+) — Connection Pooling Cost(USD/month) $20+ add-on — Multi-Region Built-in(boolean) No (manual replication needed) — | ||
| Base Memory Footprint(MB) | ~80 (minimal config) | — |
| Vector Similarity Support | Via third-party extensions | — |
| AWS RDS Managed Cost($/month (db.t3.micro, single-AZ)) | $13.50 (MySQL 8.4) | — |
| Supported Versions (2026)(major versions) | 5 (8.0-8.4 active) | — |
| Enterprise Support Availability(availability) | Oracle, multiple vendors | — |
| Max Database Size(TB) | 140 TB per table | — |
| Maximum Read Replicas(instances) | Unlimited (with sharding complexity) | — |
| Max Single Database Size(TB) | 1000+ TB (unlimited via sharding) | — |
| Horizontal Scaling | Native (Vitess) | — |
| Maximum Database Size (Pro Plan)(GB) | 1,000+ GB (1TB+) | — |
Show 5 more attributesHorizontal Sharding Support Native (Vitess-based) — Maximum Recommended Storage(TB) 100+ TB — Maximum Database Size(terabytes) Unlimited (sharded) — Max Scalable Storage(GB) Unlimited via sharding — Horizontal Sharding Native (Vitess-based) — | ||
| Network Access | Yes - TCP/IP protocol | — |
| Horizontal Scalability | Manual sharding (theoretical unlimited) | — |
| Horizontal Scaling Method | Automatic via Vitess | — |
| Database Engine Type | MySQL 8.0 compatible | — |
| Built-in Replication | Yes - master-slave, group replication | — |
| Schema Flexibility | Fixed schema, requires migration for changes | — |
| Memory Usage (100GB dataset)(GB) | 8-12GB working set | — |
| Years in Production(years) | 25+ years (MySQL 1.0 released 1995) | — |
| Community Popularity(% of developers) | 46% of web applications (Stack Overflow 2024) | — |
| Setup Time(minutes) | 240-480 minutes | 5-10 minutes |
| Monthly Cost (10GB, 100K requests)(USD) | $50-200 (self-hosted) | $39-99 |
| Cost (On-Demand, Single Instance/Month)(USD) | $0 (open-source) | — |
| Free Tier Storage(GB) | 5GB | — |
| Minimum Monthly Cost (Beyond Free)(USD) | $29 | — |
| Production Cost (100GB Storage, 1 Month)(USD) | $50 | — |
Show 3 more attributesBase Monthly Cost (Serverless)(USD) $0 (pay-per-use from $0.01/hour) — Typical Monthly Cost (1M reads)(USD) $8-15 (read-based) — Starting Paid Plan Cost(USD/month) $39/month — | ||
| Maximum Storage per Database(TB) | Unlimited | 1 TB |
| Maximum Storage Capacity(TB) | 64TB (hardware dependent) | — |
| Database Branching Support | Third-party tools only | Native Git-like branching |
| Community Size (Stack Overflow tags)(thousand questions) | 600+ thousand | 2.5 thousand |
| Backup Automation | Manual configuration required | — |
| Deployment Platforms Supported(count) | 5+ (on-prem, cloud, edge, containers, hybrid) | — |
| ACID Compliance | Full ACID support with InnoDB | — |
| Transaction ACID Support | Full with savepoints | — |
| Foreign Key Support | Full support | — |
| Minimum Production Tier Cost(USD/month) | $29 | — |
| Maximum Connections Per Database(connections) | Unlimited | — |
| Query Language Standard | SQL Standard | — |
| Auto-generated APIs | Manual setup required | — |
| Database Branching | Yes (Git-like branching) | — |
| Native Branching Support | No | — |
| Annual npm Downloads (Drivers)(millions) | 2.1M | — |
| Monthly Row Operations (Free)(millions) | Unlimited | — |
| Pro Tier Starting Price(USD/month) | $29 | — |
| Free Tier Storage Capacity(GB) | 5 GB | — |
| Free Tier Monthly Read Requests(requests) | 10,000,000 | — |
| Startup Plan Monthly Cost(USD) | $39 | — |
Show 1 more attributeMinimum Production Cost(USD/month) $29 — | ||
| Real-time Subscriptions | No (polling only) | — |
| Global Edge Replication Locations(locations) | 3+ regions | — |
| Setup Time to Production(weeks) | 10-15 minutes | — |
| Free Tier Query Limit(queries/month) | 1,000,000 | — |
| Open Source(null) | No (closed source) | — |
| Free Tier Storage Limit(GB) | 5GB | — |
| Regions Supported per Cluster(count) | 1 | — |
| Available Extensions/Ecosystem | MySQL-compatible only | — |
| PostgreSQL Compatibility(percentage) | 0% (MySQL only) | — |
| MySQL Compatibility(percentage) | MySQL 8.0 fully compatible | — |
| Free Tier Compute Allowance(hours/month) | Limited to 5GB storage | — |
| Database Engine | MySQL 8.0 compatible | — |
| Auto-Suspend Idle Databases | No | — |
| Multi-region Support(regions) | Native multi-region replication | — |
MySQLShow 8 more attributes
Show 9 more attributes
Show 5 more attributes
Show 3 more attributes
Show 1 more attribute
Visual Comparison
Side-by-side comparison of numeric attributes
Pros & Cons
MySQL
Pros
- Zero licensing cost with open-source model
- Unlimited storage capacity (limited only by hardware)
- Highly customizable with full source code access
- Mature ecosystem with 25+ years of community knowledge
- Excellent performance with large datasets (100GB+)
- Compatible with almost all hosting providers worldwide
Cons
- Requires significant DevOps expertise to set up and maintain
- Manual scaling and performance tuning needed
- Security hardening and backups are your responsibility
PlanetScale
Pros
- Instant setup with zero infrastructure management (5-10 minutes)
- Automatic scaling handles traffic spikes without manual intervention
- Git-like database branching for safe testing and CI/CD integration
- Built-in connection pooling with 10,000+ concurrent connections
- 99.99% uptime SLA with automated failover and backups
Cons
- Usage-based pricing can exceed $500/month for high-traffic applications
- 1TB storage limit may require workarounds for very large datasets
- Smaller community and fewer third-party tools compared to MySQL ecosystem
Frequently Asked Questions
PlanetScale uses MySQL 8.0 protocol-compatible architecture built on Vitess (open-source middleware). It's fully MySQL-compatible, meaning most MySQL tools, drivers, and queries work without modification. However, it's a distributed system with some operational differences (e.g., foreign keys have limitations in some cases). For 98% of applications, it behaves identically to MySQL.
Resources & Learn More
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Where to Buy
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