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Databases · head to head

Nile vs TiDB

Nile logo

Nile

Databases

PostgreSQL database platform built for multi-tenant SaaS applications

From
Free
Rated
-
Full reviewWebsite
TiDB logo

TiDB

Databases

Apache 2.0 distributed SQL database with MySQL wire compatibility and a separate columnar replica for analytical queries.

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Nile limited to B2B SaaS use cases, not optimized for single-tenant applications; TiDB a production cluster needs several placement driver, storage and SQL nodes before it is fault tolerant, so the minimum viable footprint is far larger than a MySQL server and TiDB is never the economical choice for a small database.
  • They diverge on capability: Nile covers Multi-tenant virtualization, TiDB covers MySQL wire compatibility.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Nile and TiDB actually diverge.

Attributes where Nile and TiDB differ
AttributeNileTiDB
Pricing modelPay-per-use with committed pricingfreemium
PlatformsWeb, APICloud, AWS, Azure, Google Cloud Platform, Self-managed
FoundedUnknown2015

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 Nile

  • Multi-tenant virtualization
  • Serverless compute
  • Vector embeddings
  • Tenant branching
  • Schema migration
  • Tenant dashboards
  • Global deployment
  • PostgreSQL compatible

Only in TiDB

  • MySQL wire compatibility
  • Horizontal write scaling
  • Distributed ACID transactions
  • TiFlash columnar replica
  • Automatic rebalancing
  • Raft replication
  • Apache 2.0 licence
  • Online schema change

What people use each for

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

Nile

  • Multi-tenant SaaS applications with per-customer isolationnot TiDB
  • Serverless workloads needing cost-efficient auto-scalingnot TiDB
  • RAG applications leveraging vector embeddingsnot TiDB
  • Applications requiring per-tenant analytics dashboardsnot TiDB
  • Cross-customer analytics using shared data tablesnot TiDB

TiDB

  • A MySQL workload that has hit the write ceiling of a single primary and would otherwise need an application-level sharding layernot Nile
  • Reporting that must run against current transactional data, where the columnar replica removes the delay and the cost of an ETL pipelinenot Nile
  • Multi-region deployments needing a single logical database with automatic failover rather than manual primary promotionnot Nile
  • Migrating off a sharded MySQL estate where the sharding logic in the application has become the main source of bugs and operational toilnot Nile

Where each one falls short

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

Nile

  • Limited to B2B SaaS use cases, not optimized for single-tenant applications
  • Query token abstraction makes pricing less transparent than traditional compute pricing
  • Free plan limited to 50M query tokens and 1GB storage for development
  • Serverless startup latency may impact performance-sensitive applications
  • Per-million token overages require careful monitoring to avoid surprise costs

TiDB

  • A production cluster needs several placement driver, storage and SQL nodes before it is fault tolerant, so the minimum viable footprint is far larger than a MySQL server and TiDB is never the economical choice for a small database.
  • Every transaction takes a timestamp from the placement driver and crosses the network to storage nodes, so simple point queries are slower than on single-node MySQL and latency-sensitive paths need to be measured, not assumed.
  • MySQL compatibility is at the wire and dialect level but not complete; stored procedures, triggers and events are not supported, so an application that pushed logic into the database cannot simply be repointed.
  • The columnar replica is an extra full copy of the data on its own nodes, so hybrid analytics roughly doubles storage and adds hardware that must be sized and paid for separately.
  • Operating it well requires cluster-specific expertise in TiUP or the Kubernetes operator, region hot spots, and rebalancing behaviour, so the licence is free but the running cost includes an engineer who understands distributed storage.

Pricing, plan by plan

Nile

Free
  • FreeFree
    • 50M query tokens included
    • 1 GB storage
    • 500 connections
  • Pro$15/month
    • 150M query tokens included
    • 5 GB storage
    • 10,000 connections
  • Scale$350/month
    • 500M query tokens included
    • 50 GB storage
    • 100,000 connections
  • Enterprise$undefined/custom
    • Custom resource allocation
    • Large-scale workloads supporting millions of tenants
    • Designated support

TiDB

Free
  • ServerlessFree
    • 5GB storage
    • 50M request units
    • Free forever tier
  • Dedicated$250/month
    • Dedicated resources
    • SLA guarantees
    • Enterprise support

Which should you pick?

Choose Nile if

  • You need multi-tenant virtualization.
  • You want to start without paying.
  • You work on Web, API.
  • You also want serverless compute.
Nile review

Choose TiDB if

  • You need mysql wire compatibility.
  • You want to start without paying.
  • You work on Cloud, AWS, Azure, Google Cloud Platform, Self-managed.
  • You also want horizontal write scaling.
TiDB review

Questions people ask

Is Nile or TiDB better?
Neither clearly leads. Nile starts at Free and TiDB at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Nile or TiDB?
Nile starts at Free and TiDB at Free.
Does Nile or TiDB run on more platforms?
Nile runs on Web, API. TiDB runs on Cloud, AWS, Azure, Google Cloud Platform, Self-managed.
Can I use Nile for free?
Both have a free tier, so you can try either at no cost before committing.
What is Nile best used for?
Nile is most often used for multi-tenant saas applications with per-customer isolation, serverless workloads needing cost-efficient auto-scaling, rag applications leveraging vector embeddings, applications requiring per-tenant analytics dashboards. Of those, multi-tenant saas applications with per-customer isolation and serverless workloads needing cost-efficient auto-scaling are not what TiDB is typically brought in for.
What can Nile do that TiDB cannot?
Nile covers Multi-tenant virtualization, Serverless compute, Vector embeddings, Tenant branching. TiDB covers MySQL wire compatibility, Horizontal write scaling, Distributed ACID transactions, TiFlash columnar replica.

Answered from the vendors’ own pages

Nile: What are query tokens and how are they calculated?

Query tokens are abstract units of CPU and memory used when queries execute on Nile's serverless compute. The platform uses this abstraction to enable fair, predictable pay-per-use pricing.

Source
TiDB: Is TiDB a drop-in replacement for MySQL?

At the protocol and dialect level it is close, and most applications connect unchanged. Stored procedures, triggers and events are not supported, and latency characteristics differ, so it needs testing rather than assumption.

Nile: Do all Nile plans include multi-tenant isolation?

Yes. All plans including the free tier include unlimited databases, tenants, and vector embeddings with built-in data isolation.

Source
TiDB: What licence is it under?

Apache 2.0, for both TiDB and the underlying TiKV storage engine. TiKV is a graduated CNCF project, which is a meaningful governance signal in a market where several competitors moved to source-available licences.

Nile: What is included in the Pro plan?

The Pro plan ($15/month) includes 150M query tokens, 5GB storage, 10,000 connections, and a 99.95% SLA. SAML and MFA authentication features are available on Pro and above.

Source
TiDB: Do I need TiFlash?

Only for analytical queries. It is an optional columnar replica; without it TiDB is a distributed transactional database. With it you get analytics on live data at the cost of an additional full copy.

TiDB: Is the managed cloud the same software?

TiDB Cloud runs the same engine, with the control plane, scaling and operational tooling provided as a service. The entry tier is metered differently from a dedicated cluster, so the cost model rather than the engine is what changes.

TiDB: When is TiDB the wrong choice?

When the database is small enough for one server, when latency on single-row lookups is the primary constraint, or when the application depends on MySQL stored procedures and triggers.

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