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Comparison / Elasticsearch

A coworker today, not a six-month integration.

Elasticsearch is a search engine — kNN, ELSER sparse retrieval, aggregations, and the scoring control to build almost any search product. ZenSearch is an AI coworker that ships the whole stack out of the box: connectors, identity-federated permission sync, RAG, agents that take governed action, and guardrails. With Elastic you assemble the AI layer yourself; with ZenSearch it's already assembled. (For the record, ZenSearch is not built on Elasticsearch — it uses Qdrant for vectors and PostgreSQL for metadata.)

The Short Version

Choose ZenSearch if you need:

  • A complete AI coworker — not search primitives you assemble into one
  • RAG, agents, chat, and citation grounding working on day one
  • Production in hours, not a multi-month build of ingestion, RAG, and UI
  • Built-in connectors with identity-federated permission sync
  • Governed agent actions — risk tiers T0–T5, approvals, and guardrails

Choose Elasticsearch if you need:

  • A general-purpose search engine to build a custom product on
  • Fine-grained control over indexing, mapping, and query DSL scoring
  • Observability and log analytics at scale (the ELK stack)
  • Massive scale — billions of documents with hands-on cluster tuning
  • An existing Elasticsearch investment and the team to extend it

Feature by Feature

ZenSearch vs Elasticsearch, in detail.

Agents & AI Capabilities

CapabilityZenSearchElasticsearch
Hybrid search (dense + sparse)
Vector search (kNN)
Faceted search & filtering
Cross-encoder reranking
Elasticsearch provides APIs; you build the reranking pipeline
DIY
Retrieval augmented generation
Elastic provides building blocks (ESRE); you assemble the RAG pipeline
DIY
Cited answers with sources
DIY
AI agents with tool calling
Elasticsearch is a search engine, not an AI platform
Custom agent builder
Approval-gated write actions
Every consequential write pauses on a per-team policy and routes to the right human
Risk tiers T0–T5Not available
Cross-surface approvals
Slack, Teams, webNot available
Automations (cron / email / event / meeting)
Not available
Multi-agent delegation
Out-of-the-box agent-to-agent handoff via discover_agents + delegate_to_agent — no DIY orchestration required
Self-improving procedural memory
Agents learn reusable workflows from successful sessions. Elasticsearch has no agent layer to attach this to
Observational memory (long-conversation compression)
80%+ token compression on long sessions via cacheable LLM-extracted summaries
NL-to-SQL database queries
Answer confidence scoring
Conversational chat
Guardrails (hallucination, PII, injection)

Deployment & Time to Value

CapabilityZenSearchElasticsearch
Cloud (SaaS)
On-premise deployment
Air-gapped deployment
Docker & Kubernetes
Bring your own LLM
Elasticsearch doesn't include LLM integration natively
N/A
Time to production
Elasticsearch requires building ingestion, RAG, and UI layers
HoursWeeks/Months
No infrastructure expertise needed
Elasticsearch requires cluster management, shard tuning, and index optimization

Data Connectors

CapabilityZenSearchElasticsearch
Confluence
Connector framework
Slack
Connector framework
GitHub
Connector framework
Google Drive
Connector framework
SharePoint
Connector framework
Jira
Connector framework
Notion
Community
Salesforce
Connector framework
SAP
HubSpot
Community
PostgreSQL / MySQL / SQL Server
ZenSearch: NL-to-SQL with schema discovery. Elastic has database connectors for ingestion only.
Permission-aware connectors
Elastic connectors ingest content; permission sync requires custom implementation
Partial

Security & Compliance

CapabilityZenSearchElasticsearch
SOC 2 Type II
In progress
Document-level RBAC
Elasticsearch has document-level security but requires manual index-level ACL setup
DIY
Permission-aware search
DIY
End-to-end encryption
Audit logging
Input/output guardrails
Prompt injection detection
PII detection & filtering

Where ZenSearch Stands Apart

A coworker out of the box vs building blocks.

Elasticsearch is genuinely powerful — the right pick when you need a custom search product with fine-grained scoring control and have the team to build the AI layer. These are the places where ZenSearch ships the whole coworker instead, so you don't.

AI-native coworker vs DIY

ZenSearch

ZenSearch is an AI-native platform: RAG pipeline, agents, guardrails, chat, citation grounding, and connectors are built in. Deploy and start working in hours, not months.

AI-native coworker vs DIY

Elasticsearch

Elasticsearch is a search engine. Building an enterprise AI experience on top means assembling ingestion pipelines, embedding generation, RAG orchestration, chat UI, permission sync, and guardrails — each its own engineering effort.

Zero infrastructure expertise

ZenSearch

ZenSearch runs as a single Docker Compose stack or managed SaaS. No cluster management, shard tuning, or index optimization required. Try it, then scale as you grow.

Zero infrastructure expertise

Elasticsearch

Elasticsearch clusters require real operational expertise: shard sizing, replica configuration, index lifecycle management, JVM tuning, and monitoring. Elastic Cloud reduces this but adds cost and vendor coupling.

Governance on every action

ZenSearch

Each tool carries a risk tier (T0–T5). Consequential writes pause the run and route an approval to the right human — in Slack, Teams, or on the web — alongside input/output guardrails for prompt injection, PII, and hallucination.

Governance on every action

Elasticsearch

Elasticsearch has no agent layer and no AI guardrails. If you build a RAG or agent pipeline on top, every safety check and approval gate is yours to implement separately.

NL-to-SQL over your databases

ZenSearch

Ask questions in plain English against PostgreSQL, MySQL, ClickHouse, and SQL Server. Schema discovery, read-only execution, and query validation are built in.

NL-to-SQL over your databases

Elasticsearch

Elasticsearch is not a relational database. Querying existing databases means building a separate integration layer, or ingesting that data into Elasticsearch indices first.

Get Started

See the
difference.

Try ZenSearch in the live demo, or talk to our team about a deployment shaped to your environment.