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.
AI enterprise search software helps people find information across organizational content. Compared on source connectors and indexed content limits, the entries show different ways to connect to and search information. Answer citations and permission sync are further points to weigh when considering how results are supported and access is handled. Admin controls and deployment options add context, while free plans and paid-from prices help frame cost. SWIRL AI Search and Fess open the ranking, followed by Elastic Search AI and PipesHub; Sinequa and Onyx are also among the early entries. Use the listed specifications to compare coverage, controls, and search options.
23 AI enterprise search software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
3 of the 23 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 1 | FessWeb · Windows · Mac · Linux · Self-hosted · API | Three bars | — | 4 of 6 | Free | 6.6 | |
| 2 | OpenSearchWeb · Windows · Mac · Linux · Self-hosted · API | Three bars | — | 4 of 6 | Free | 6.6 | |
| 3 | PipesHubWeb · Self-hosted · API | Two bars | — | 1 of 6 | Free | 6.4 | |
| 4 | SWIRL AI SearchWeb · Linux · Self-hosted · API | One bar | — | — | 2 of 6 | $2,000/mo | 5.5 |
| 5 | Dropbox DashWeb · Windows · Mac · Android · iPhone · Extension | Two bars | — | — | 5 of 6 | $1.25/mo | 5.3 |
| 6 | OnyxWeb | One bar | — | — | 1 of 6 | $20/mo | 5.3 |
| 7 | Viglet Turing ESWeb · Windows · Linux | One bar | — | — | 3 of 6 | — | 5.3 |
| 8 | Elastic Search AIWeb | No signal | — | — | 1 of 6 | — | 5.2 |
| 9 | GuruWeb | No signal | — | — | 1 of 6 | — | 5.2 |
| 10 | SearchBlox SearchAIWeb · Windows · Linux · Self-hosted · API | Two bars | — | — | 3 of 6 | $2,000/mo | 5.2 |
| 11 | SinequaWeb | No signal | — | — | 1 of 6 | — | 5.2 |
| 12 | CoveoWeb | No signal | — | — | 1 of 6 | — | 5.1 |
| 13 | GoSearch AnalyticsWeb | No signal | — | — | 1 of 6 | — | 5.1 |
| 14 | KorraWeb | No signal | — | — | 1 of 6 | — | 5.1 |
| 15 | MoveworksWeb | No signal | — | — | 1 of 6 | — | 5.1 |
| 16 | Amazon KendraWeb · API | One bar | — | — | 1 of 6 | $0.32/mo | 5.0 |
| 17 | Glean Agent BuilderWeb | No signal | — | — | 1 of 6 | — | 5.0 |
| 18 | InSearchWeb | One bar | — | — | 1 of 6 | $1.67/mo | 5.0 |
| 19 | DashworksWeb | No signal | — | — | 1 of 6 | — | 4.8 |
| 20 | HebbiaWeb | No signal | — | — | 1 of 6 | — | 4.8 |
| 21 | KaldrosWeb | No signal | — | — | 1 of 6 | — | 4.8 |
| 22 | Mindbreeze InSpireWeb · Linux · Self-hosted · API | One bar | — | — | 2 of 6 | $8641.67/mo | 4.8 |
| 23 | Squirro Enterprise GenAIWeb | No signal | — | — | 1 of 6 | — | 4.8 |
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 Freedom251?
Fess is ranked #1 of 23 with a score of 6.6. 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 free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation. Paid placements never change a rank.