Best AI Enterprise Search Software in 2026
Updated
In short: Fess is ranked #1 of 23 as of 4 October 2026, ahead of OpenSearch and PipesHub. The best-ranked option with a free plan is OpenSearch. The lowest first paid tier on this page is Amazon Kendra at $0.32/mo.
When work information lives across different sources, enterprise search tools help you find it and assess the answers. Compare source connectors and indexed content limits to see what each option can cover, then look at answer citations and permission sync to understand how results are supported and access is handled. Admin controls and deployment options add operational considerations; free plans and paid-from pricing help frame cost. The ranking starts with SWIRL AI Search, Fess, and PipesHub, followed by Elastic Search AI and Amazon Kendra. Use the listed criteria to weigh coverage, controls, and pricing for your organization's needs.
23 AI enterprise search software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
#1 Fess Top pick · 7.3 Free plan · Free #2 OpenSearch Runner-up · 7.1 Free plan · Free
#3 PipesHub Also great · 6.9 Free plan · Free
- Free plan apiLinuxmacOSself-hostedWebWindows
- Free plan
- Yes
- Permission sync
- Yes
- Answer citations
- Yes
- Deployment options
- self-hosted
RecognisedDocumentedFree planPlatformsFree About FessVisit site - Free plan apiLinuxmacOSself-hostedWebWindowsRecognisedDocumentedFree planPlatforms
- Free plan apiself-hostedWeb
- Free plan
- Yes
- Source connectors
- 50
- Permission sync
- Yes
- Answer citations
- Yes
- Deployment options
- hybrid
RecognisedDocumentedFree planPlatforms - Free trial AndroidextensioniOSmacOSWebWindows
- Free plan
- No
- Paid from
- 19 /user/mo
- Permission sync
- Yes
- Answer citations
- Yes
- Deployment options
- cloud
RecognisedDocumentedFree planPlatforms$1.25/mofirst paid tier About Dropbox DashVisit site - Free trial apiLinuxself-hostedWeb
- Free plan
- Yes
- Permission sync
- Yes
- Answer citations
- Yes
- Deployment options
- hybrid
RecognisedDocumentedFree planPlatforms$2,000/mofirst paid tier About SWIRL AI SearchVisit site - apiLinuxself-hostedWebWindows
- Free plan
- No
- Source connectors
- 329
- Permission sync
- Yes
- Answer citations
- Yes
- Deployment options
- hybrid
RecognisedDocumentedFree planPlatforms$2,000/mofirst paid tier About SearchBlox SearchAIVisit site - Free trial apiWeb
- Free plan
- No
- Source connectors
- 5
- Permission sync
- Yes
- Answer citations
- Yes
- Deployment options
- cloud
RecognisedDocumentedFree planPlatforms$0.32/mofirst paid tier About Amazon KendraVisit site - Web
- Free plan
- No
- Paid from
- 20 /user/mo
- Source connectors
- 10
- Permission sync
- Yes
- Answer citations
- Yes
- Deployment options
- cloud
RecognisedDocumentedFree planPlatforms$1.67/mofirst paid tier About InSearchVisit site - Web
- Free plan
- Yes
- Paid from
- 20 /user/mo
RecognisedDocumentedFree planPlatforms$20/mofirst paid tier About OnyxVisit site - WebWindowsLinux
- Free plan
- Yes
- Answer citations
- Yes
- Deployment options
- self-hosted
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- Yes
- Permission sync
- Yes
- Deployment options
- cloud
RecognisedDocumentedFree planPlatforms - WebRecognisedDocumentedFree planPlatforms
- Web
- Permission sync
- Yes
- Answer citations
- Yes
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- No
- Source connectors
- 16
- Permission sync
- Yes
- Answer citations
- Yes
- Deployment options
- hybrid
RecognisedDocumentedFree planPlatforms - Free trial apiLinuxself-hostedWeb
- Free plan
- No
- Source connectors
- 490
- Permission sync
- Yes
- Answer citations
- Yes
- Deployment options
- hybrid
RecognisedDocumentedFree planPlatforms$8641.67/mofirst paid tier About Mindbreeze InSpireVisit site - Web
- Free plan
- No
- Permission sync
- Yes
- Answer citations
- Yes
- Deployment options
- hybrid
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- No
- Paid from
- 10 /user/mo
- Permission sync
- Yes
- Answer citations
- Yes
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- No
- Answer citations
- Yes
- Deployment options
- cloud
RecognisedDocumentedFree planPlatforms - WebRecognisedDocumentedFree planPlatforms
- Web
- Free plan
- Yes
- Paid from
- 20 /user/mo
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- Yes
- Source connectors
- 3
RecognisedDocumentedFree planPlatforms - WebRecognisedDocumentedFree planPlatforms
- WebRecognisedDocumentedFree planPlatforms
Is your app on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which AI enterprise search software is ranked first on Everything Xiaomi?
Fess is ranked #1 of 23 with a score of 7.3. OpenSearch is second and PipesHub third.
How many of these have a free plan?
3 of the 23 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Amazon Kendra has the lowest first paid tier we found: $0.32/mo.
How is this list ranked?
Ranked on what each maker publishes: documentation depth, a free tier and the platforms it runs on. Paid placements never change a rank.