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Databases · head to head

Readyset vs Vitess

Readyset logo

Readyset

Databases

Database caching and optimization that reduces infrastructure costs 30-70%

From
Free
Rated
-
Full reviewWebsite
Vitess logo

Vitess

Databases

Scalable database clustering system for horizontal scaling of MySQL

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Readyset pricing requires contacting sales team, making cost planning difficult; Vitess vTGate scatter queries without sharding key incur significant performance penalties
  • They diverge on capability: Readyset covers Automatic Query Optimization, Vitess covers Horizontal Sharding.

Where they differ

Only the attributes on which Readyset and Vitess actually diverge.

Attributes where Readyset and Vitess differ
AttributeReadysetVitess
Pricing modelMonthly or annual subscription based on cache sizeUnknown
PlatformsCloud, Self-HostedLinux, macOS, Docker, Kubernetes
FoundedUnknown2010

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Databases).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Readyset

  • Automatic Query Optimization
  • SQL-Level Caching
  • Live Incremental Updates
  • Zero-Touch Integration
  • Query Interception
  • AI Query Protection

Only in Vitess

  • Horizontal Sharding
  • Connection Pooling
  • Query Routing
  • Online Schema Changes
  • Shard Management
  • Replication Management
  • Automated Failover
  • MySQL

What people use each for

The jobs each tool is most often brought in to do.

Readyset

  • Reducing database costs for AI workloads with unpredictable query patternsnot Vitess
  • Improving read performance for frequently accessed data without hardware upgradesnot Vitess
  • Protecting databases from performance degradation caused by agentic queriesnot Vitess
  • Scaling read-heavy applications without database scaling costsnot Vitess

Vitess

  • Transaction processingnot Readyset
  • Data storagenot Readyset
  • Application backendnot Readyset
  • Reportingnot Readyset
  • Data analyticsnot Readyset

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Readyset

  • Pricing requires contacting sales team, making cost planning difficult
  • Specific pricing tiers not disclosed publicly
  • Requires cache size estimation for cost calculation
  • Limited to read query caching, does not address write performance

Vitess

  • VTGate scatter queries without sharding key incur significant performance penalties
  • Foreign key constraints not enforced across shards, requiring application-level integrity handling
  • Single primary per keyspace limits multi-region write capabilities
  • Distributed transactions without proper sharding key routing suffer performance degradation

Pricing, plan by plan

Readyset

Free
  • CommunityFree
    • Free tier for evaluation
    • 7-day trial available
  • Readyset CloudFree
    • Fully-managed AWS deployment
    • High availability
    • VPC peering support
  • Readyset PrivateFree
    • Self-hosted on your servers
    • Complete control
    • Custom deployment

Vitess

Free

No published plan breakdown. See the Vitess review.

Which should you pick?

Choose Readyset if

  • You need automatic query optimization.
  • You want to start without paying.
  • You work on Cloud, Self-Hosted.
  • You also want sql-level caching.
Readyset review

Choose Vitess if

  • You need horizontal sharding.
  • You want to start without paying.
  • You work on Linux, macOS, Docker, Kubernetes.
  • You also want connection pooling.
Vitess review

Questions people ask

Is Readyset or Vitess better?
Neither clearly leads. Readyset starts at Free and Vitess at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Readyset or Vitess?
Readyset starts at Free and Vitess at Free.
Does Readyset or Vitess run on more platforms?
Readyset runs on Cloud, Self-Hosted. Vitess runs on Linux, macOS, Docker, Kubernetes.
Can I use Readyset for free?
Both have a free tier, so you can try either at no cost before committing.
What is Readyset best used for?
Readyset is most often used for reducing database costs for ai workloads with unpredictable query patterns, improving read performance for frequently accessed data without hardware upgrades, protecting databases from performance degradation caused by agentic queries, scaling read-heavy applications without database scaling costs. Of those, reducing database costs for ai workloads with unpredictable query patterns and improving read performance for frequently accessed data without hardware upgrades are not what Vitess is typically brought in for.
What can Readyset do that Vitess cannot?
Readyset covers Automatic Query Optimization, SQL-Level Caching, Live Incremental Updates, Zero-Touch Integration. Vitess covers Horizontal Sharding, Connection Pooling, Query Routing, Online Schema Changes.

Answered from the vendors’ own pages

Readyset: Do I need to change my application code?

No, Readyset integrates transparently through query interception with zero code changes or schema modifications required.

Source
Vitess: Is Vitess free to use?

Yes. Vitess is completely free and open source under the Apache 2.0 license. It is a graduated CNCF project with no licensing costs or pricing tiers.

Source
Readyset: Is there a free trial?

Yes, Readyset offers a free 7-day trial that lets you test different cache sizes before committing to a paid plan.

Source
Vitess: What databases does Vitess support?

Vitess supports MySQL and MariaDB as backend databases. It acts as a middleware layer that adds sharding and orchestration capabilities on top of these databases.

Source
Readyset: How does Readyset pricing work?

Readyset is available as a monthly or annual subscription charged based on the size of cache you need. Contact [email protected] for specific pricing.

Source
Vitess: Does Vitess require Kubernetes to run?

No. Vitess can run on Kubernetes using the Vitess Operator, but it can also be deployed on traditional infrastructure. Kubernetes integration is optional and provides additional automation benefits.

Source
Vitess: How does Vitess handle cross-shard transactions?

Vitess supports distributed transactions across shards, but they require queries to be routed through the sharding key. Transactions without a proper sharding key can result in slower performance.

Source
Vitess: Does Vitess enforce foreign key constraints?

Vitess does not enforce foreign key constraints across shards by default. Referential integrity must be managed at the application layer, though per-database support can be enabled with limitations.

Source
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