Developer Tools · head to head
Deno vs Vitess

Deno
Developer Tools
A fast, open-source, fully Node-compatible JS runtime with TypeScript baked right in
- From
- Free
- Free plan
- Yes

Vitess
Databases
Scalable database clustering system for horizontal scaling of MySQL
- From
- Free
- Free plan
- Yes
The short version
- Vitess is free; Deno starts at $20/mo.
- Where Deno falls short: egress bandwidth overage costs $0.20/GB which can become expensive for high-traffic applications.
- Where Vitess falls short: VTGate scatter queries without sharding key incur significant performance penalties.
- Prices and features on this page were last checked on 13 November 2026.
Where they differ
Only the attributes on which Deno and Vitess actually diverge.
Identical on both: starting price (Free), free tier (Yes).
Not yet recorded: pricing model for Vitess, founded for Deno.
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 Deno
Nothing recorded that Vitess does not also cover.
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.
Deno
- Running TypeScript natively without transpilation overheadnot Vitess
- Migrating Node.js applications to secure-by-default runtimenot Vitess
- Deploying edge functions and serverless containers seamlesslynot Vitess
- Consolidating developer tools into single binarynot Vitess
Vitess
- Transaction processingnot Deno
- Data storagenot Deno
- Application backendnot Deno
- Reportingnot Deno
- Data analyticsnot Deno
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Deno
- Egress bandwidth overage costs $0.20/GB which can become expensive for high-traffic applications
- CPU time overage is $0.10/hour on Pro and Builder tiers, adding to costs for compute-intensive workloads
- Enterprise pricing is not disclosed; requires sales contact
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
Deno
Free- FreeFree
- 1 million requests/month
- 20GB egress bandwidth
- 10 apps
- Pro$20/mo
- 5 million requests/month
- 200GB egress
- 50 apps
- Builder$200/mo
- 25 million requests/month
- 2,000GB egress
- 10,000 apps
- EnterpriseOn request
- Custom limits on all metrics
- 99.95% reliability SLA
- Email support with SLA
Vitess
FreeNo published plan breakdown. See the Vitess review.
Which should you pick?
Choose Vitess if
- You need horizontal sharding.
- You want to start without paying.
- You work on Linux, macOS, Self-hosted.
- You also want connection pooling.
Questions people ask
- Is Deno or Vitess better?
- Neither clearly leads. Deno 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, Deno or Vitess?
- Deno starts at Free and Vitess at Free.
- Does Deno or Vitess run on more platforms?
- Deno runs on Web. Vitess runs on Linux, macOS, Self-hosted.
- Can I use Deno for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Deno best used for?
- Deno is most often used for running typescript natively without transpilation overhead, migrating node.js applications to secure-by-default runtime, deploying edge functions and serverless containers seamlessly, consolidating developer tools into single binary. Of those, running typescript natively without transpilation overhead and migrating node.js applications to secure-by-default runtime are not what Vitess is typically brought in for.
- What can Deno do that Vitess cannot?
- Vitess covers Horizontal Sharding, Connection Pooling, Query Routing, Online Schema Changes.
Answered from the vendors’ own pages
Deno: How much does Deno Deploy cost?
Deno Deploy offers a free tier at $0/month, Pro at $20/month, and Builder at $200/month. Enterprise has custom pricing. All plans include base request and bandwidth limits, with overage charges for additional usage.
SourceVitess: 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.
SourceDeno: What are Deno Deploy's overage charges?
Egress bandwidth overages cost $0.20 per GB. CPU time overages are $0.10 per hour on Pro and Builder tiers. Memory time and KV database operations also incur charges beyond included limits.
SourceVitess: 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.
SourceDeno: How many apps can I deploy on Deno's free plan?
The free tier includes 10 apps with up to 1 concurrent build. Pro tier supports 50 apps with 3 concurrent builds, and Builder supports 10,000 apps with 20 concurrent builds.
SourceVitess: 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.
SourceDeno: How many team members can access Deno Deploy?
The free tier supports up to 3 team members. Pro supports 10 team members. Builder supports 25 team members. Enterprise has custom seat limits.
SourceVitess: 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.
SourceVitess: 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.
SourceRelated pages
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