Short answer: the best knowledge base bots for Slack in 2026 include Slackbot (Slack AI), Glean, Guru, Atlassian Rovo, Slite, Tettra and Runbear. These bots differ in what they read, whose permissions they apply, and what happens when the docs have no answer. Pick the one that can read where your company docs live, cites the document behind each answer, and respects who may see what. For AI search across many company systems, look at Glean or at Slackbot with enterprise search on Enterprise+. If your docs live in Jira and Confluence, Atlassian Rovo comes with their paid Cloud plans. For a maintained wiki with owners who verify pages, compare Guru, Slite and Tettra. Runbear is an AI agent for Slack and Microsoft Teams that answers employee questions from your company docs in the same thread, cites the source document, and can then file the follow-up ticket.
Every team that lives in Slack ends up answering the same employee questions again and again: where the expense policy is, how to request access, which runbook covers an outage. A knowledge base bot takes those questions in the channel and answers from your docs. The seven bots below all do that, but they differ in what they read, whose permissions they apply, and what happens when the docs have no answer.
Runbear wrote this post, and Runbear is one of the seven bots. Every feature and price below comes from each vendor's own pages, checked on November 10, 2026, and the links are in the Sources section.
What to check before you pick a knowledge base bot
A good bot gets six things right:
- Sources. Which tools it can read: Confluence, Notion, Google Drive, SharePoint, Slack itself.
- Citations. Whether each answer links to the document behind it, so people can check it.
- Permissions. Whose access decides what an answer can include: the person asking, or one shared index.
- Gaps. What it does when the docs do not hold the answer: say so, guess, or route the question to a person.
- Freshness. How it keeps answers current when docs change.
- Price. Whether the price is published, and what you pay for: seats or usage.
If you are still working out how to set a bot up, our guide on building a knowledge base chatbot in Slack walks through the steps. If you are weighing a docs bot against an agent that also handles HR and IT requests, see HR and IT help desk agent vs. docs bot.
The seven bots side by side
Prices are as of November 10, 2026.
| Bot | Answers from | Cites sources | Whose permissions | When docs lack an answer | Keeps docs current | Price |
| Slackbot (Slack AI) | Slack messages and files. Connected apps such as Google Drive and Confluence with enterprise search on Enterprise+ | Yes | The asker's | Not stated | Not stated | Included on Business+ ($15 per user per month billed annually) and Enterprise+ (contact sales) |
| Glean | 275+ app connectors | Yes | The asker's | By default, auto-replies only when confident | Indexes in real time | Not published |
| Guru | Guru Cards, connected tools and Slack | Yes | The asker's, but suggested answers show to the whole channel | Admins set a "no answer found" message | Each Card has a Verifier, and Knowledge Agents review Cards daily | Contact sales |
| Atlassian Rovo | Jira, Confluence and connectors such as Google Drive and SharePoint | Yes | The asker's in private replies. In public replies, one account your organization sets up | Not stated | Not stated | Included in paid Jira and Confluence Cloud plans, extra credits $0.01 each |
| Slite | Slite docs, plus connected tools such as Slack, Google Drive and Jira on Pro and above | Yes | The asker's, but replies in public channels are visible to all | Ask Insights lists unanswered questions | Owners get reminders to verify docs | Basic $10, Pro $20 per user per month billed yearly |
| Tettra | Mainly pages in Tettra | Yes | Not stated | Saves the question and assigns it to an expert | Experts can verify pages | $8 per user per month billed yearly, 10-user minimum |
| Runbear | Notion, Google Drive, Confluence, SharePoint, Slack, websites and files | Yes | One shared index for everyone who uses the agent | Instructed to say so instead of inventing specifics | Checks sources periodically for changes | Team $99 per month for 20,000 credits, no seat fees |
"Not stated" means we found no vendor page on it, not that the feature is missing.
Each bot in detail
Slackbot (Slack AI)
Slackbot answers from your Slack messages and files, and its answers include citations to the source messages or files. Answers include only content the person searching has permission to see. Slackbot is included on Business+ ($15 per user per month billed annually, $18 monthly), with 15 messages per member per week. Enterprise search, which adds connected apps such as Google Drive, Confluence, Jira, SharePoint and Salesforce, needs Enterprise+, which is priced through Slack sales.
Good fit: teams whose knowledge mostly lives in Slack already. Watch for: the weekly message cap on Business+, and other tools only on Enterprise+.
Glean
Glean is enterprise search with AI answers. Its home page says it connects to 275+ work apps and data sources. In Slack, people can open a sources view to see what an answer used. An answer includes only data the user is authorized to access, and by default the bot responds automatically only when it has a confident answer. Glean indexes in real time and also works in Microsoft Teams. Prices are not published, and Glean offers a demo.
Good fit: larger companies with knowledge spread across many systems. Watch for: no published price.
Guru
Guru answers from Guru Cards, connected tools and Slack context, and its answers include references to the source Cards it used. Each Card has a Verifier who confirms it is still right, and once auto-verify is on (the default for Knowledge Agents built after January 2026), Guru's Knowledge Agents review Cards daily. Answers follow each person's permissions, though a suggested answer in a channel is visible to everyone there. Admins can customize the message Guru shows when it finds no answer. Guru prices through its sales team and also works in Microsoft Teams.
Good fit: teams that want named owners behind every answer. Watch for: no published price, and suggested answers visible to the whole channel.
Atlassian Rovo
Rovo answers from Jira and Confluence, plus connectors such as Google Drive, SharePoint, Notion and Salesforce, and links to where each answer came from. In a private reply it uses the asker's access. In a public reply it uses one account your organization sets up, not the asker's access, and a public reply can't reach anyone's private content. Rovo credits come with paid Jira and Confluence Cloud plans (25 per user per month on Standard, 70 on Premium, 150 on Enterprise), and extra credits cost $0.01 each from December 3, 2026. It also works in Microsoft Teams. Your organization admin must be on a verified business domain to turn Rovo on.
Good fit: teams that already keep their knowledge in Confluence and Jira. Watch for: what public replies can show.
Slite
Slite is a team wiki, and its Slack bot @Slite always cites its sources. On Pro it searches connected tools such as Slack, Google Drive and Jira, and Slite's AI search page lists Notion and 20+ sources. Answers come only from content the asker can access, but in a public channel the reply is visible to everyone. Ask Insights shows the questions Slite could not answer, and doc owners get reminders when a doc is due for verification. Basic is $10 and Pro is $20 per user per month billed yearly. Slite's Slack bot works in Slack, and its product pages do not list a Microsoft Teams app.
Good fit: smaller teams that want their wiki and their Slack bot in one tool. Watch for: connected sources only on Pro and above, and replies in public channels that everyone there can read.
Tettra
Tettra's Slack bot, Kai, answers mainly from pages stored in Tettra, and Tettra's support-teams page says every AI answer lists a reference page in Tettra. When Kai cannot find an answer, it asks to save the question and assigns it to a subject-matter expert. The same page says experts can verify pages regularly. Tettra costs $8 per user per month billed yearly, with a 10-user minimum.
Good fit: Slack-first teams that want a simple wiki that fills its own gaps. Watch for: answers come mainly from what is in Tettra.
Runbear
Runbear answers employee questions in Slack from company docs in Notion, Google Drive, Confluence and SharePoint, cites the source document, and is instructed to say so when the docs do not cover a question instead of inventing specifics. It also reads Slack channels, websites and uploaded files, and it answers in the same thread. In the example below, it points the employee to the person who owns the topic.
Runbear also acts after it answers. In the same thread it can open a Jira or Linear ticket, so a question that turns into a task does not leave Slack.
Runbear's indexed knowledge is shared by everyone who can use the agent, so connect only the docs that the whole channel may read. Tools that act in connected apps are set per tool to use either each person's own account (Per-User) or one shared connection. Runbear checks its sources periodically and updates only what was added, changed or removed. You can turn on thumbs up or down ratings in Slack in the agent's settings. Runbear charges by usage, not by seat: Team is $99 per month with 20,000 credits, Business is $399 per month, and you can start free. It runs in both Slack and Microsoft Teams.
Good fit: teams that want one agent to answer from a few sources and then do the follow-up work. Watch for: the shared index, which is not filtered per person.
How to choose
- Your knowledge is mostly in Slack: start with Slackbot.
- Your knowledge is spread across dozens of systems and each person must see different results: Glean, or Slack enterprise search on Enterprise+.
- Your docs live in Confluence and Jira: Atlassian Rovo, since it comes with those plans.
- You want named owners who verify pages: Guru, Slite or Tettra.
- You want answers plus action, priced by usage instead of seats: Runbear.
Whatever you pick, test it on twenty real questions from your channels, including a few your docs cannot answer, and check whether the bot says it does not know or guesses.
FAQ
Slack already has AI. Do I need a separate bot?
Not if your answers live in Slack. Slackbot answers from Slack messages and files on Business+. A separate bot helps when your answers live in Confluence, Notion or Google Drive and you are not on Enterprise+, or when you want the bot to act after it answers.
Which bots also work in Microsoft Teams?
Glean, Guru, Atlassian Rovo and Runbear work in Teams. Slite's product pages describe a Slack bot and do not list a Teams app.
Can a bot show someone a document they should not see?
It depends on whose access the bot uses. Slackbot and Glean answer with the asker's access. Rovo's public replies use one account your organization sets up, Guru and Slite replies in a channel are visible to everyone there, and Runbear's indexed knowledge is shared by everyone who uses the agent. Connect only what that audience may read.
Sources
Vendor pages checked November 10, 2026:
- Slack: Guide to AI features in Slack, enterprise search permissions, Slackbot message limits, pricing
- Glean: enterprise search, home page, Slack bot responses, Slack bot permissions, Glean in Teams
- Guru: searching Guru in Slack, verifying Cards, Knowledge Agents, Slack integration, Microsoft Teams app
- Atlassian: Rovo Slack app, Rovo usage limits, connectors, Rovo for Microsoft Teams
- Slite: AI search, Slack integration, pricing, keeping docs healthy, documentation software guide
- Tettra: Slack wiki, pricing, support teams
- Runbear: features, knowledge sources, agent settings, HR policy questions in Slack, pricing
