Table of Contents
- Key takeaways: the best Slack chatbots at a glance
- What is an AI chatbot for Slack?
- How these Slack chatbots were ranked
- The 7 best AI chatbots for Slack in 2026
- 1. ClearFeed: best for a Slack helpdesk with tickets and an AI agent
- Key features
- Pros
- Cons
- Pricing
- Rating
- Best for
- 2. SiteGPT: best for a content-trained chatbot in customer and team channels
- Key features
- Pros
- Cons
- Pricing
- Rating
- Best for
- 3. eesel AI: best for an AI teammate across Slack and a helpdesk
- Key features
- Pros
- Cons
- Pricing
- Rating
- Best for
- 4. Guru: best for verified internal knowledge with permissions
- Key features
- Pros
- Cons
- Pricing
- Rating
- Best for
- 5. Glean: best for enterprise search across many work apps
- Key features
- Pros
- Cons
- Pricing
- Rating
- Best for
- 6. Chatbase: best for a quick custom agent in one workspace
- Key features
- Pros
- Cons
- Pricing
- Rating
- Best for
- 7. Botsonic: best for a low-cost chatbot with Slack as one channel
- Key features
- Pros
- Cons
- Pricing
- Rating
- Best for
- Slack chatbot comparison table
- What a Slack chatbot costs a month
- How to add an AI chatbot to Slack
- How to choose a chatbot for Slack
- Slack chatbot use-case cheat sheet
- Slack chatbot FAQ
- Basics
- What is the best AI chatbot for Slack?
- What AI chatbot works inside Slack?
- Is a Slack chatbot the same as an AI agent?
- Setup
- How do I add an AI chatbot to Slack?
- Will a Slack chatbot answer every message in every channel?
- Can a Slack chatbot answer customers in Slack Connect channels?
- Pricing
- How much does a chatbot for Slack cost?
- Is there a free AI chatbot for Slack?
- Security and compliance
- Does a Slack chatbot train AI models on Slack messages?
- Can a Slack chatbot be used under HIPAA?
- Sources

- ClearFeed turns Slack threads into tickets and syncs them with Zendesk, Freshdesk, Intercom, or HubSpot. Its AI Agents plan is $50 a month for 250 credits, and the helpdesk starts at $24 per agent a month.
- SiteGPT answers from your content in channels, DMs, threads, and Slack Connect channels. Slack needs the Growth plan: $129 a month billed monthly, or $79 a month billed yearly. It does not create tickets.
- eesel AI works as an AI teammate in Slack and in a helpdesk. Paid plans start at $299 a month for 500 credits.
- Guru and Glean give employees permission-aware answers in Slack. Neither publishes a price.
- Chatbase ($40 a month) and Botsonic ($49 a month billed monthly) are the lowest-priced ways to put a custom chatbot in a Slack workspace.
Key takeaways: the best Slack chatbots at a glance
Tool | Best for | How it works in Slack | Entry price with Slack |
1. ClearFeed | A Slack helpdesk with tickets and an AI agent | Turns Slack requests into tickets and syncs them with a ticketing system | $50 a month for 250 AI credits. Helpdesk from $24 per agent a month |
2. SiteGPT | A content-trained chatbot for customer and team channels at a flat price | Answers in channels, DMs, threads, and Slack Connect. Emoji reactions hand a thread to a human | $129 a month billed monthly, or $79 a month billed yearly (Growth) |
3. eesel AI | An AI teammate across Slack and a helpdesk | Answers in channels and DMs when mentioned, and drafts ticket replies | $299 a month for 500 credits |
4. Guru | Verified internal knowledge with permissions | Knowledge Agent replies in the thread of an enabled channel, with citations | Custom quote |
5. Glean | Enterprise search across many work apps | /glean search, answers in channels, and an assistant in the Slack sidebar | Custom quote |
6. Chatbase | A quick custom agent for one workspace | Mention the agent in any channel and it replies in the thread | $40 a month (Hobby) |
7. Botsonic | A low-cost chatbot with Slack as one of several channels | Slack is listed as an integration from the Professional plan | $49 a month billed monthly, or $41 a month billed annually |

What is an AI chatbot for Slack?
Job | Who asks | What the chatbot reads | Tools built for it |
Internal help | Employees in channels such as #it-help or #ask-hr | Wikis, drives, policies, and past threads | Guru, Glean, eesel AI, ClearFeed |
Customer service | Customers in shared Slack Connect channels | Help center, product docs, and website | ClearFeed, SiteGPT |
Both | Employees and customers | Any content you train it on | ClearFeed, SiteGPT, eesel AI |
How these Slack chatbots were ranked
- Documented Slack behavior. Does the vendor publish how the chatbot answers in channels, threads, and DMs?
- Handoff to a person. Can a human take over a thread, and does the team get an alert?
- Knowledge sources. What content can the chatbot learn from?
- Published price. Is there a public price, and which plan includes Slack?
- Third-party reviews. What is the G2 rating, and how many reviews sit behind it?
The 7 best AI chatbots for Slack in 2026
1. ClearFeed: best for a Slack helpdesk with tickets and an AI agent

Key features
- Tickets created from Slack channels, email, and web chat
- Two-way sync with ticketing systems such as Zendesk, Freshdesk, Intercom, and HubSpot
- AI agents that answer from Slack channels, Confluence, Notion, Google Drive, SharePoint, GitHub, and help centers
- A triage channel in Slack for the team
- One-click ticket creation for queries the AI does not resolve
- SLA configuration and reports on the Professional helpdesk plan
Pros
- Built for Slack first, for both customers and employees
- 14-day free trial with no credit card
- Public prices for the helpdesk and for AI agents
- 15% off annual subscriptions
- A HIPAA plan and BAA are listed on the Enterprise helpdesk plan
Cons
- The helpdesk is priced per agent, so cost grows with team size.
- AI usage is metered in credits, and complex agents can use more than one credit per run.
- The Integrations edition does not work in Slack Connect channels. Customer channels need the External Helpdesk product.
- Unused AI credits do not roll over.
Pricing
Product and plan | Price | What is included |
AI Agents Professional | $50 a month | 250 credits. Extra credits from $2 per 10 |
Helpdesk Starter | $24 per agent a month | 1 to 15 agents. AI pack optional, from $20 a month for 100 credits |
Helpdesk Professional | $49 per agent a month | SLAs, custom forms, 50 AI credits per agent |
Enterprise | Custom | SSO, custom DPA, HIPAA plan and BAA |
Rating
Best for
2. SiteGPT: best for a content-trained chatbot in customer and team channels

Key features
- One-click install from the SiteGPT dashboard with the Add to Slack button
- A home channel where the chatbot answers every new message
- Answers on mention in any channel where the app is a member, and in direct messages
- A question mark reaction makes the chatbot answer any message in its thread
- A white check mark reaction hands the thread to a human, and the chatbot stops replying
- Escalation alerts with a link to the thread, posted in the home channel
- Works in public channels, private channels, and Slack Connect channels shared with customers
- Answers show sources and thumbs up and thumbs down buttons
- Training on websites, sitemaps, files, Google Drive, Dropbox, OneDrive, Box, Notion, GitHub, and YouTube
Pros
- Flat monthly price with no per-seat or per-resolution fee
- The same chatbot can serve an internal channel and a customer Slack Connect channel
- Human takeover needs one emoji and no extra tool
- Slack conversations are not used to train AI models, per the Slack page
- 95+ languages
Cons
- Slack needs the Growth plan or above. Starter has no chat integrations.
- Each Slack workspace connects to one SiteGPT chatbot.
- The chatbot reads the text of normal messages only. It ignores file uploads.
- Replies sent from the SiteGPT dashboard do not go to Slack. The team replies in the Slack thread.
- Chat integrations, including Slack, are not available in a HIPAA workspace.
- It does not create tickets from Slack. ClearFeed fits that job better.
- The 7-day free trial requires a credit card.
Pricing
Plan | Billed monthly | Billed yearly (per month) | Messages a month | Chatbots | Slack |
Starter | $59 | $39 | Up to 4k GPT-4.1-mini messages | 1 | No |
Growth | $129 | $79 | Up to 10k GPT-4.1-mini messages | 2 | Yes |
Scale | $429 | $259 | Up to 40k GPT-4.1-mini messages | 3 | Yes |
Enterprise | Custom | Custom | Custom | Custom | Yes |
Rating
Best for
3. eesel AI: best for an AI teammate across Slack and a helpdesk

Key features
- Answers questions in Slack channels and DMs
- Installs from the Slack App Directory
- Reads Google Drive, Confluence, Notion, Zendesk, and Freshdesk
- Drafts ticket replies for approval in Slack
- Learns from corrections given in Slack
- 80+ languages
Pros
- Free plan with 100 credits and no credit card
- No per-seat price. Agents and seats are unlimited
- EU or US data residency on every plan
- HIPAA with a signed BAA on Enterprise
Cons
- Paid plans start at $299 a month.
- Slack questions use credits from the same pool as tickets.
- SSO and MFA are an add-on from $199 a month.
- SOC 2 Type II is listed as underway.
- The G2 base is small at 20 reviews.
Pricing
Plan | Monthly price | Credits a month |
Free | $0 | 100 |
Teammate | $299 | 500 |
Teammate | $499 | 1,000 |
Teammate | $1,749 | 5,000 |
Enterprise | Custom | Custom |
Rating
Best for
4. Guru: best for verified internal knowledge with permissions

Key features
- Knowledge Agent replies in the thread when a question is asked in an enabled channel
- Cited, permission-aware answers
- Follow-up questions with an @guru mention
- Slack threads can be drafted into knowledge and routed to an expert for verification
- Permissions are inherited from Slack
- 100+ integrations and MCP delivery
Pros
- Verification workflows keep answers current
- Corrections made once apply everywhere Guru answers
- SOC 2 Type II, with HIPAA listed on the pricing page
- The largest G2 base in this list: 2,332 reviews
Cons
- Guru publishes no price. Packages are scoped on a sales call.
- It is built for internal knowledge. It is not a customer service chatbot.
- Verified content needs owners who keep it up to date.
Pricing
Package | Price | What is included |
Custom package | Quote from sales | Platform access, a solutions team, and enterprise governance |
Rating
Best for
5. Glean: best for enterprise search across many work apps

Key features
- /glean search across all connectors from Slack
- AI answers to questions asked in channels
- The Glean Assistant in the Slack sidebar
- A daily digest of channels and topics
- Search across Slack messages in public channels, private channels, and DMs, as permissioned
- Connectors for Google Drive, Jira, Confluence, SharePoint, GitHub, and Salesforce
Pros
- Permission-aware answers across many systems
- Compliance badges on the site include SOC 2 Type II, ISO 27001, HIPAA, and GDPR
- Actions in Slack, such as sending and scheduling messages
Cons
- Glean publishes no price. The site offers a demo request only.
- Features in Slack depend on what the Glean admin turns on.
- It is built for employees. It is not a customer service chatbot.
Pricing
Plan | Price | How to buy |
Enterprise | Not published | Request a demo |
Rating
Best for
6. Chatbase: best for a quick custom agent in one workspace

Key features
- Connect Slack from the Integrations page of the agent
- Mention the agent in any channel after inviting it
- Replies stay in the same thread, and each thread is a separate conversation
- Attachments are supported
- An option to ignore messages from other bots
- A separate Slack notification action that posts to a channel when a customer mentions a topic
Pros
- Low entry price at $40 a month
- Free plan for testing the agent before connecting Slack
- Setup takes a few steps
Cons
- Slack needs a paid plan.
- Usage is metered in message credits. Hobby includes 700 a month.
- The Helpdesk for human takeover starts on the Standard plan at $150 a month. The Slack guide lists no takeover step for Slack threads.
- Removing "Powered by Chatbase" costs $99 a month.
Pricing
Plan | Monthly price | Message credits | Members |
Free | $0 | 50 | 1 |
Hobby | $40 | 700 | 2 |
Standard | $150 | 4,000 | 3 |
Pro | $500 | 15,000 | 5 |
Enterprise | Custom | Custom | Custom |
Rating
Best for
7. Botsonic: best for a low-cost chatbot with Slack as one channel

Key features
- Slack, Google Chat, Notion, and Calendly integrations from the Professional plan
- Training on sitemaps, uploaded files, and Google Drive
- Agentic actions: 3 on Starter and 5 on Professional
- Lead capture forms
- WhatsApp, Messenger, and Telegram on every paid plan
Pros
- Low price for a plan that includes Slack
- 7-day free trial on Starter, Professional, and Advanced
- 2 chatbots and 3,000 messages a month on Professional
Cons
- The $19 Starter plan does not list Slack.
- Auto-sync from websites and other platforms starts on the Advanced plan at $299 a month billed monthly.
- Handoff to Zendesk is a $199 a month add-on.
- Removing Botsonic branding costs $49 a month.
Pricing
Plan | Billed monthly | Billed annually (per month) | Messages a month | Slack |
Starter | $19 | $16 | 1,000 | Not listed |
Professional | $49 | $41 | 3,000 | Yes |
Advanced | $299 | $249 | 12,000 | Yes |
Enterprise | Custom | Custom | Custom | Yes |
Rating
Best for
Slack chatbot comparison table
Tool | Answers in Slack | Human handoff in Slack | Customer channels (Slack Connect) | Pricing unit | G2 rating |
ClearFeed | AI agents attached to channels | Tickets and a triage channel | Yes, on External Helpdesk | Agent seat and AI credit | 4.6 (162) |
Home channel, mentions, DMs, threads | Check mark reaction, plus an alert in the home channel | Yes | Message | 4.9 (12) | |
eesel AI | Mentions in channels, DMs | Escalation rules set in plain language | Not stated | Credit | 4.6 (20) |
Guru | Enabled channels, @guru follow-ups | Not stated | Not stated | Custom quote | 4.7 (2,332) |
Glean | Channels, sidebar, /glean search | Not stated | Not stated | Custom quote | 4.7 (336) |
Chatbase | Mentions in channels | Not stated | Not stated | Message credit | 4.8 (46) |
Botsonic | Listed as an integration | Not stated | Not stated | Message | 4.6 (107) |
What a Slack chatbot costs a month
Tool | Lowest plan with Slack | Monthly price | Usage included | Cost per unit |
Chatbase | Hobby | $40 | 700 message credits | $0.057 per credit |
Botsonic | Professional | $49 | 3,000 messages | $0.016 per message |
ClearFeed | AI Agents Professional | $50 | 250 credits | $0.20 per credit |
Growth | $129 | Up to 10k GPT-4.1-mini messages, or 1,000 GPT-4.1 messages | $0.013 to $0.129 per message | |
eesel AI | Teammate | $299 | 500 credits | $0.60 per credit |

How to add an AI chatbot to Slack
- Train the chatbot. Add a website, files, or a connected source such as Google Drive or Notion.
- Open the Slack card. In SiteGPT, go to Advanced, then Integrations, then All Integrations, and click Get Started on the Slack card.
- Click Add to Slack. Slack opens its install page.
- Choose the home channel. The chatbot answers every new message there. Escalation alerts from other channels go to the same channel.
- Invite the app. Run /invite @SiteGPT in each channel where it should work, including the home channel.
How to choose a chatbot for Slack
If you need... | Pick... | Why |
Every Slack request tracked as a ticket | ClearFeed | Slack helpdesk with two-way sync to ticketing systems |
Answers from your own content for customers and teammates | Home channel, mentions, DMs, and Slack Connect at a flat price | |
One AI agent in Slack and in the helpdesk | eesel AI | One credit pool covers Slack questions and tickets |
Verified answers for employees | Guru | Experts verify content, and answers carry citations |
Search across many work apps with permissions | Glean | /glean search and channel answers across connectors |
The lowest entry price | Chatbase | $40 a month on Hobby |
A website chatbot that also reaches Slack | Botsonic | Slack is included from $49 a month |

Slack chatbot use-case cheat sheet
Scenario | Best pick | Why |
Customer success team that must log every request | ClearFeed | Tickets from Slack with sync to Zendesk or HubSpot |
IT help desk run in Slack with Okta or Jira | ClearFeed | IT and HR tool integrations on Helpdesk Professional |
B2B SaaS team with customers in Slack Connect channels | Answers in shared channels and alerts the team on escalation | |
#ask channel where every message needs an answer | The home channel gets an answer to every new message | |
Service team on Zendesk that also answers in Slack | eesel AI | One agent covers the helpdesk and Slack |
Regulated team that needs approved internal answers | Guru | Verification workflows and audit trails |
Company with 1,000+ employees and many work apps | Glean | Permission-aware search across connectors |
Side project that needs a chatbot in Slack this week | Chatbase | $40 a month and a short setup |
Small business with a website chatbot and a Slack team | Botsonic | Website first, with Slack from $49 a month |
Healthcare team that needs a signed BAA | ClearFeed Enterprise or eesel AI Enterprise | Both list a BAA on Enterprise. Slack is not available in a SiteGPT HIPAA workspace |







