Coveo vs ZenSearch: Modern Enterprise AI Search
Coveo is an established enterprise search platform. ZenSearch is a modern AI-native alternative with on-premise deployment and AI agents. Here is how they compare.
Summary
Choose ZenSearch if you need:
- On-premise or air-gapped deployment options
- Free Lite self-host edition for evaluation
- AI agents with tool calling and multi-step reasoning
- NL-to-SQL queries against enterprise databases
- Comprehensive AI guardrails
- Freedom to bring your own AI models
Choose Coveo if you need:
- Established enterprise vendor with proven scale (15+ years)
- Deep Salesforce and SAP Commerce integrations
- E-commerce and customer-facing search capabilities
- 40+ pre-built connectors
- ML-powered relevance tuning and personalization
Search & AI Capabilities
| Feature | ZenSearch | Coveo |
|---|---|---|
Hybrid search (dense + sparse) | ||
Cross-encoder reranking | ||
Vector search | ||
Faceted search & filtering | ||
NL-to-SQL database queries | ||
AI agents with tool calling Coveo offers AI-powered recommendations but not autonomous agents with multi-agent delegation or self-improving memory | Limited | |
Custom agent builder | ||
Multi-agent delegation ZenSearch agents hand off subtasks to specialist agents in the same team | ||
Self-improving procedural memory Agents distill successful workflows into reusable procedures and progressively get faster on repeated query patterns | ||
Observational memory (long-conversation compression) 80%+ token compression on long agent sessions via cacheable LLM-extracted summaries | ||
Retrieval augmented generation Coveo Relevance Generative Answering (RGA) | ||
Cited answers with sources | ||
Guardrails (hallucination, PII, injection) | Partial | |
Answer confidence scoring | ||
Conversational chat | Limited | |
Slack / Teams Surfaces | Slack, Teams, Chrome | Not available |
AI Governance (Risk Tiers) | T0-T5 policy engine | Not available |
Cross-Surface Approvals | Slack, Teams, and web | Not available |
Scheduled Automations | Cron + event triggers | Not available |
Deployment Options
| Feature | ZenSearch | Coveo |
|---|---|---|
Cloud (SaaS) | ||
On-premise deployment Coveo is cloud-only since deprecating on-premise in 2020 | ||
Air-gapped deployment | ||
Docker & Kubernetes | ||
Bring your own LLM Coveo uses its own managed models |
Data Connectors
| Feature | ZenSearch | Coveo |
|---|---|---|
Confluence | ||
Slack | ||
GitHub | Limited | |
Google Drive | ||
SharePoint | ||
Jira | ||
Notion | Community | |
Salesforce Coveo has deep Salesforce integration (Coveo for Salesforce) | ||
SAP Coveo has dedicated SAP Commerce integration | ||
HubSpot | Limited | |
PostgreSQL / MySQL / SQL Server Coveo can crawl databases but doesn't support NL-to-SQL | Database crawler | |
S3 / Azure Blob | ||
Web Crawler | ||
Total connectors | 17+ | 40+ |
Where ZenSearch stands apart
Key areas where ZenSearch offers capabilities that Coveo does not.
On-Premise & Air-Gapped Deployment
ZenSearchZenSearch deploys on your infrastructure with Docker and Kubernetes. Air-gapped environments fully supported. Your data never leaves your network.
On-Premise & Air-Gapped Deployment
CoveoCoveo deprecated its on-premise offering in 2020. All deployments are cloud-only on Coveo's infrastructure. No air-gapped or on-premise option is available.
AI Agents & Tool Calling
ZenSearchZenSearch agents combine LLM reasoning with tool calling for multi-step tasks: searching documents, querying databases, and synthesizing answers across sources. Custom agents with persistent memory.
AI Agents & Tool Calling
CoveoCoveo provides AI-powered relevance and recommendations but does not offer autonomous AI agents with tool calling or multi-step reasoning capabilities.
NL-to-SQL Database Queries
ZenSearchQuery PostgreSQL, MySQL, ClickHouse, and SQL Server databases using natural language. Schema discovery, read-only execution, and query validation built in.
NL-to-SQL Database Queries
CoveoCoveo can crawl and index database content through its database connector, but does not support natural language SQL query generation or execution.
Comprehensive AI Guardrails
ZenSearchInput and output guardrails including prompt injection detection, PII filtering, hallucination detection (lexical, semantic, hybrid), and toxicity filtering. Per-tenant configuration.
Comprehensive AI Guardrails
CoveoCoveo provides content moderation for its Relevance Generative Answering feature, but configurable guardrails for prompt injection and PII detection are limited.
Ready to try ZenSearch?
Evaluate the free Lite self-host edition or talk to our team about an enterprise deployment shaped to your environment.
See how ZenSearch compares to other enterprise search platforms.