Comparison

Epsilla vs NucliaDB

No leader: the top candidate Epsilla has only 0.30 confidence (low), below the 0.35 needed to declare a winner. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Epsilla78
NucliaDB57
Score
Vioscale score
Epsilla78 / 100low · 30%
NucliaDB57 / 100medium · 51%
Pricing
Free tier
Epsilla
NucliaDB
Model
Epsillafreemium
NucliaDBcommercial
Price level
Epsillamid
NucliaDBhigh
Transparent
Epsilla
NucliaDB
Integrations
Count
Epsilla
NucliaDB1
Security
Gdpr
Epsilla
NucliaDB
Iso27001
Epsilla
NucliaDB
Soc2
Epsilla
NucliaDB
Reliability
Sla pct
Epsilla99.9
NucliaDB
Status page
Epsilla
NucliaDB

Capabilities

Feature-by-feature on the axes that matter for vector databases. “-” means undocumented, not absent.

Deployment
Deployment
EpsillaManaged
NucliaDBManaged
Serverless / consumption pricing
Epsilla
NucliaDB
Index
ANN index (HNSW / IVF / DiskANN / ScaNN / flat)
Epsilla-
NucliaDB-
Distance metrics (cosine / dot / Euclidean)
Epsilla-
NucliaDB-
Query
Metadata filtering
Epsilla-
NucliaDB-
Hybrid search (dense + sparse fusion)
Epsilla-
NucliaDB
Built-in BM25 / lexical
Epsilla-
NucliaDB-
Storage
Quantization
Epsilla-
NucliaDB-
On-disk vs in-memory
Epsilla-
NucliaDBDisk-backed
Scale
Multi-tenancy (namespaces / collections / tenants)
Epsilla
NucliaDB
Horizontal scale
Epsilla-
NucliaDBSharded / distributed
Consistency
Consistency
Epsilla-
NucliaDB-
Licensing
Licence class
EpsillaProprietary
NucliaDBProprietary
Classification
Purpose-built vs feature-of-parent
EpsillaFeature of parent
NucliaDBDedicated DBMS

What each one is

The product in its own terms, so the numbers below have context.

Epsilla

A platform that simplifies building AI agents and knowledge-base systems for teams of any technical level. It provides enterprise-grade multi-tenancy and supports flexible deployment modes including cloud, on-premise, and private cloud.

Independently observed

NucliaDB

Progress Agentic RAG is a RAG-as-a-Service platform providing a centralized agentic knowledge layer for building AI experiences with enterprise-scale governance, compliance, and multi-agent capabilities.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Epsilla

from $29/moSubscriptionFree tier

Free tier through $2,499/month. Custom pricing for Enterprise. Metered add-ons $2–39/month.

  • Free TierFree
    • 1 Team Member
    • 1 Project
    • 1 AI Application
    • 1 Knowledge Base
    • 10M Vector Storage
    • +3 more
  • Starter Tier$29/month
    • 2 Team Members
    • 1 Project
    • 5 AI Applications
    • 5 Knowledge Bases
    • 1G Vector Storage
    • +2 more
  • Professional Tier$249/month
    • 20 Team Members
    • 10 Projects
    • 50 AI Applications
    • 50 Knowledge Bases
    • 10G Vector Storage
    • +3 more
  • AI Concierge$2,499/month
    • Everything in Professional
    • Fractional Forward Deployed AI Engineer
    • Done-For-You AI Agent & Workflow Build-Out
    • Domain-to-AI Enablement
    • Weekly Strategy & Review Calls
    • +3 more
  • Enterprise TierContact sales
    • Unlimited Team Members
    • Unlimited Projects
    • Unlimited AI Applications
    • Unlimited Knowledge Bases
    • Unlimited Vector Storage
    • +6 more
as of verify ↗

NucliaDB

from $700/moSubscriptionFree tier14-day trial

From $700/month. 14-day free trial available.

  • Starter$700/month
    • RAG
    • Q&A
    • Community support
  • Pro$1,925/month
    • RAG
    • Q&A
    • AI classification
    • Generative search
    • AI Assistant
    • +2 more
  • EnterpriseContact sales
    • RAG
    • Q&A
    • AI classification
    • Generative search
    • AI Assistant
    • +4 more
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Epsilla
NucliaDB
Deployment
Cloud / SaaS
Epsilla
NucliaDB
Self-hosted
Epsilla
NucliaDB
On-premise
Epsilla
NucliaDB
Hybrid
Epsilla
NucliaDB

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Epsilla

Not documented yet.

NucliaDB

1 total
  • AWS Marketplace
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.