vioscaleAI
Comparison

Epsilla vs txtai

No leader: the top candidate Epsilla has only 0.29 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.

Epsilla full profile →txtai full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Epsilla65
txtai61
Score
vioscaleAI score
Epsilla65 / 100low · 29%
txtai61 / 100medium · 56%
Pricing
Free tier
Epsilla✓
txtai✓
Model
Price level
Epsillamid
txtaifree
Transparent
Epsilla✓
txtai✓
Integrations
Count
Epsilla–
txtai5
Security
Scorecard
Epsilla–
txtai5.4
Vulnerabilities
Reliability
Sla pct
Epsilla99.9
txtai–
Status page
Epsilla✓
txtai✓
Adoption
Dependent repos
Epsilla–
txtai14
Github stars
Epsilla–
txtai13,018
Activity
Commits last 30d
Epsilla–
txtai100
Release
Cadence days
Epsilla–
txtai27
History
Epsilla–
txtai20 items
License
Spdx
Epsilla–
txtaiApache-2.0
Language
Primary
Epsilla–
txtaiPython
Content
Faq
Epsilla4 items
txtai6 items

Capabilities

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

Deployment
Deployment
EpsillaManaged
txtaiEmbedded
Serverless / consumption pricing
Epsilla✓
txtai-
Index
ANN index (HNSW / IVF / DiskANN / ScaNN / flat)
Epsilla-
txtaiHNSW, IVF, IVFSparse, milvus-lite, turbovec, zvec
Distance metrics (cosine / dot / Euclidean)
Epsilla-
txtaicosine
Query
Metadata filtering
Epsilla-
txtaiPre-filter
Hybrid search (dense + sparse fusion)
Epsilla-
txtai✓
Built-in BM25 / lexical
Epsilla-
txtai✓
Storage
Quantization
Epsilla-
txtaiScalar
On-disk vs in-memory
Epsilla-
txtaiDisk-backed
Scale
Multi-tenancy (namespaces / collections / tenants)
Epsilla✓
txtai✓
Horizontal scale
Epsilla-
txtaiSharded / distributed
Consistency
Consistency
Epsilla-
txtaiTunable
Licensing
Licence class
EpsillaProprietary
txtaiPermissive OSS
Classification
Purpose-built vs feature-of-parent
EpsillaFeature of parent
txtaiDedicated DBMS

What each one is

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

Epsilla

A platform that enables teams to build and deploy AI applications by combining language models with searchable knowledge repositories. It simplifies the setup and management of retrieval-augmented generation workflows without requiring technical engineering.

Independently observed

txtai

txtai is an open-source Python framework for building semantic search applications, LLM-powered agents, retrieval augmented generation systems, and language model workflows with support for multiple vector backends and integration with various LLMs.

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 ↗

txtai

Open sourceFree tier
as of verify ↗

Platform & deployment

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

Platforms
Web
Epsilla✓
txtai✓
CLI
Epsilla✗
txtai✓
Deployment
Cloud / SaaS
Epsilla✓
txtai✗
Self-hosted
Epsilla✓
txtai✓
On-premise
Epsilla✓
txtai✗

Integrations

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

Epsilla

Not documented yet.

txtai

12 total
  • llama.cpp
  • LiteLLM
  • Hugging Face
  • OpenAI
  • Claude
  • AWS Bedrock
  • smolagents
  • OpenCode
  • DuckDB
  • Milvus
  • LiteRT
  • Model Context Protocol
Independently observed
Still deciding?

Epsilla or txtai: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

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