Skip to content
SlateIndex
OpenSearchThe open engine for AI-powered search and observability
vs
SupabaseBuild in a weekend. Scale to millions.
Comparison · Vector Databases · weekly run Nov 2

OpenSearch vs Supabase

Which one do AI engines recommend, and how do they differ on price, fit and features?

The short answer

Supabase is the stronger AI pick in Vector Databases: it has a visibility score of 5.7 versus 3.9 for OpenSearch.

Choose OpenSearch if…

  • Strong general database popularity
  • Hybrid keyword-plus-semantic search with dense vectors
  • Suited to broader search, logging, analytics, and observability

Choose Supabase if…

  • You want the brand AI engines rank higher (5.7 vs 3.9)
  • AI answers describe it more positively (18% vs 0% positive)
  • You need a self-hosted or on-premises option
  • You need SOC 2 Type 2 or ISO 27001 or HIPAA (BAA available) coverage

AI visibility side by side

Latest weekly run · Nov 2

Metric OpenSearch Supabase
Visibility score3.9%5.7%
Change vs last weekNewNew
Rank in Vector Databases#16#12
Share of voice1.7%2.2%
Mentions this run811
Positive in AI answers0%18%

The stronger value in each row is marked with a ✓.

Visibility score trend

Weekly runs over the last 60 days

0%25%50%75%100%Nov 2OpenSearch 4%

OpenSearch 0pp · Supabase 0pp over 0 weekly runs.

Engine by engine

Supabase leads on 2 of 3 engines

ChatGPT
3.9%
10.4%
AI Mode
3%
5.9%
Perplexity
4.8%
0.9%
OpenSearchSupabase

Head to head in AI answers

0 engine answers name both brands

0OpenSearch ranked higher
0Supabase ranked higher

Features, pricing & fit

DimensionOpenSearchSupabase
Pricing model—Flat tiers
Entry price—Free; paid from $25 / mo
Free plan—Yes
DeploymentSelf-managed, or through Amazon OpenSearch Service and managed providers such as Aiven and Instaclustr. A Kubernetes operator is available for managing clusters.Hosted cloud in AWS regions across the US, EU and Asia Pacific, or self-hosted open source
Compliance—SOC 2 Type 2, ISO 27001, HIPAA (BAA available)
SupportCommunity forum, Slack, GitHub, Long-term support from certified providersCommunity support (Free plan), Email support (Pro plan), Priority email support and SLAs (Team plan), 24x7 premium enterprise support and private Slack channel (Enterprise plan)
Founded20212020
HeadquartersSan Francisco, CA, United StatesRemote-first, United States
Employees51–200201–500
Funding—Series D · $1000M raised
Best forOrganizations that want search, vector retrieval, and observability on open source software without vendor lock-in.Teams building production applications on Postgres that want auth, storage, realtime and vector search in one backend

Plans side by side

OpenSearch

Pricing not available.

Supabase

Free$0month
Pro$25month
Team$599month
EnterpriseCustomcustom
Supabase pricing

Pros and cons

Themes from the AI answers that mention each brand

OpenSearch

  • Strong general database popularity
  • Hybrid keyword-plus-semantic search with dense vectors
  • Suited to broader search, logging, analytics, and observability

    Supabase

    • Integrates smoothly with Firebase and Supabase
    • Zero extra infrastructure when already running Postgres via Supabase
    • Pay nothing extra for pgvector on an existing database
    • Minimal operational overhead for existing Postgres clusters
    • Offers vector search via pgvector, with customers paying only for the database

      Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run

      Cite as: SlateIndex, “OpenSearch vs Supabase”, https://slateindex.ai/compare/opensearch-vs-supabase, data of Nov 2, 2026. Licence: CC BY 4.0.