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Databases · head to head

OpenSearch vs Nile

OpenSearch logo

OpenSearch

Databases

Open-source search and analytics suite forked from Elasticsearch

From
Free
Rated
-
Full reviewWebsite
Nile logo

Nile

Databases

PostgreSQL database platform built for multi-tenant SaaS applications

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: OpenSearch diverged from Elasticsearch since 7.10, so clients, plugins and features no longer map one to one; Nile limited to B2B SaaS use cases, not optimized for single-tenant applications
  • They diverge on capability: OpenSearch covers Full-text search, Nile covers Multi-tenant virtualization.

Where they differ

Only the attributes on which OpenSearch and Nile actually diverge.

Attributes where OpenSearch and Nile differ
AttributeOpenSearchNile
Pricing modelOpen source, no licence fee; managed services billed separatelyPay-per-use with committed pricing
PlatformsLinux, Docker, Kubernetes, Self-hostedWeb, API

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 OpenSearch

  • Full-text search
  • OpenSearch Dashboards
  • Log analytics
  • Vector search

Only in Nile

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

What people use each for

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

OpenSearch

  • Log and observability storage where an Apache-2.0 licence is a requirementnot Nile
  • Replacing Elasticsearch after the licence change without changing architecturenot Nile
  • Search plus analytics on one cluster rather than two systemsnot Nile

Nile

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

Where each one falls short

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

OpenSearch

  • Diverged from Elasticsearch since 7.10, so clients, plugins and features no longer map one to one
  • Operationally heavy in the way Elasticsearch is: cluster sizing, shard strategy and JVM tuning are ongoing work
  • Smaller ecosystem of third-party tooling than Elasticsearch, which most integrations still target first
  • Overkill for plain application search, where a dedicated search engine is far simpler

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

Pricing, plan by plan

OpenSearch

Free
  • OpenSearchFree
    • Full functionality
    • Self-hosted
    • No usage limits

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

Which should you pick?

Choose OpenSearch if

  • You need full-text search.
  • You want to start without paying.
  • You work on Linux, Docker, Kubernetes, Self-hosted.
  • You also want opensearch dashboards.
OpenSearch review

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

Questions people ask

Is OpenSearch or Nile better?
Neither clearly leads. OpenSearch starts at Free and Nile at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, OpenSearch or Nile?
OpenSearch starts at Free and Nile at Free.
Does OpenSearch or Nile run on more platforms?
OpenSearch runs on Linux, Docker, Kubernetes, Self-hosted. Nile runs on Web, API.
Can I use OpenSearch for free?
Both have a free tier, so you can try either at no cost before committing.
What is OpenSearch best used for?
OpenSearch is most often used for log and observability storage where an apache-2.0 licence is a requirement, replacing elasticsearch after the licence change without changing architecture, search plus analytics on one cluster rather than two systems. Of those, log and observability storage where an apache-2.0 licence is a requirement and replacing elasticsearch after the licence change without changing architecture are not what Nile is typically brought in for.
What can OpenSearch do that Nile cannot?
OpenSearch covers Full-text search, OpenSearch Dashboards, Log analytics, Vector search. Nile covers Multi-tenant virtualization, Serverless compute, Vector embeddings, Tenant branching.

Answered from the vendors’ own pages

OpenSearch: Is OpenSearch free?

Yes, Apache 2.0 licensed under the Linux Foundation. Amazon OpenSearch Service is a paid managed option.

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
OpenSearch: Why does OpenSearch exist?

Elastic moved Elasticsearch off the Apache 2.0 licence in 2021. AWS forked the last Apache-licensed version, and the project now sits under the Linux Foundation.

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
OpenSearch: Is OpenSearch compatible with Elasticsearch?

It was at the 7.10 fork point. Both have developed independently since, so compatibility weakens with every release and should be verified for the features you use.

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
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