Best AI Enterprise Search Software in 2026

In short: Elastic Search AI is ranked #1 of 23 as of 5 October 2026, ahead of Fess and Korra. The best-ranked option with a free plan is Fess. The lowest first paid tier on this page is Amazon Kendra at $0.32/mo.

When organizational information spans multiple systems, enterprise search can help teams locate material and evaluate answers. Compared on source connectors and indexed content limit, these options also provide criteria for assessing answer citations, permission sync, and admin controls. Fess, PipesHub, and OpenSearch are among the tools to consider for how coverage and access requirements align with your environment. Deployment options matter when fitting search into your infrastructure; free-plan availability and paid-from pricing help frame cost. Compare the listed connectors and controls with the sources your team relies on, and consider how citations and synchronized permissions should shape the results people can use.

23 AI enterprise search software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.

23ranked
5free plans on this page
$0.32/molowest paid tier
5 Oct 2026last checked

AI Enterprise Search Software, one module each. A lit port is something its maker publishes; 9 of the 23 on this page have a public API.

  1. 01 Elastic Search AI API yesOSS not on recordFREE yesDOCS 7.3Free
  2. 02 Fess API yesOSS not on recordFREE yesDOCS 7.3Free
  3. 03 Korra API yesOSS not on recordFREE yesDOCS 7.3Free
  4. 04 PipesHub API yesOSS not on recordFREE yesDOCS 7.3Free
  5. 05 OpenSearch API yesOSS not on recordFREE yesDOCS 7.2Free
  6. 06 SWIRL AI Search API yesOSS not on recordFREE not on recordDOCS 7.0$2,000/mo
  7. 07 Amazon Kendra API yesOSS not on recordFREE not on recordDOCS 6.8$0.32/mo
  8. 08 Mindbreeze InSpire API yesOSS not on recordFREE not on recordDOCS 6.8$8641.67/mo
  9. 09 SearchBlox SearchAI API yesOSS not on recordFREE not on recordDOCS 6.8$2,000/mo
  10. 10 Sinequa API not on recordOSS not on recordFREE not on recordDOCS 5.6
  11. 11 Dropbox Dash API not on recordOSS not on recordFREE not on recordDOCS 5.4$2.92/mo
  12. 12 Glean Agent Builder API not on recordOSS not on recordFREE not on recordDOCS 5.4
  13. 13 InSearch API not on recordOSS not on recordFREE not on recordDOCS 5.4$1.67/mo
  14. 14 Onyx API not on recordOSS not on recordFREE not on recordDOCS 5.3$20/mo
  15. 15 Guru API not on recordOSS not on recordFREE not on recordDOCS 5.1
  16. 16 Dashworks API not on recordOSS not on recordFREE not on recordDOCS 5.0
  17. 17 Hebbia API not on recordOSS not on recordFREE not on recordDOCS 5.0
  18. 18 Kaldros API not on recordOSS not on recordFREE not on recordDOCS 5.0€29/mo
  19. 19 Squirro Enterprise GenAI API not on recordOSS not on recordFREE not on recordDOCS 5.0
  20. 20 Viglet Turing ES API not on recordOSS not on recordFREE not on recordDOCS 5.0
  21. 21 Coveo API not on recordOSS not on recordFREE not on recordDOCS 4.9
  22. 22 GoSearch Analytics API not on recordOSS not on recordFREE not on recordDOCS 4.9
  23. 23 Moveworks API not on recordOSS not on recordFREE not on recordDOCS 4.9
Compare all 23 in a table
#PlatformScoreFree planFromFree planPaid fromSource connectorsPermission sync
1Elastic Search AI7.3Free planFreeYes——Yes
2Fess7.3Free planFreeYes——Yes
3Korra7.3Free planFreeYes—3—
4PipesHub7.3Free planFreeYes—50Yes
5OpenSearch7.2Free planFree————
6SWIRL AI Search7.0No$2,000/moYes——Yes
7Amazon Kendra6.8No$0.32/moNo—5Yes
8Mindbreeze InSpire6.8No$8641.67/moNo—490Yes
9SearchBlox SearchAI6.8No$2,000/moNo—329Yes
10Sinequa5.6No————Yes
11Dropbox Dash5.4No$2.92/moNo19 /user/mo—Yes
12Glean Agent Builder5.4No—————
13InSearch5.4No$1.67/moNo20 /user/mo10Yes
14Onyx5.3No$20/moYes20 /user/mo——
15Guru5.1No—————
16Dashworks5.0No—No10 /user/mo—Yes
17Hebbia5.0No—No———
18Kaldros5.0No€29/moNo—16Yes
19Squirro Enterprise GenAI5.0No—No——Yes
20Viglet Turing ES5.0No—Yes———
21Coveo4.9No—————
22GoSearch Analytics4.9No—Yes20 /user/mo——
23Moveworks4.9No—————

Is your platform on this list?

Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.

Questions about this list

Which AI enterprise search software is ranked first on Inferse?

Elastic Search AI is ranked #1 of 23 with a score of 7.3. Fess is second and Korra third.

How many of these have a free plan?

5 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, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.

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