11 Best Internal Chatbots for Employee Support and Productivity (2025)

An internal chatbot that can also work inside Slack or Microsoft Teams and answer questions based on the data you provide, plus automate tasks?

It’s something every business should consider.

It will free up your HR or IT department to focus on hiring the right talent instead of answering the same set of questions.

I’ve gathered the top internal chatbot tools to help your team work smarter, whether you’re in IT, HR, or operations.

Let’s find ones that are perfect for you!

Best Internal Chatbots for 2025

1. Heroic AI Assistant

Heroic AI Assistant is a part of the Heroic Knowledge Base plugin.

Heroic Knowledge Base is a WordPress plugin that lets you build an internal knowledge site, complete with search analytics and AI chat.

It shines as a company “wiki on steroids.”

You can turn any WordPress site into a private intranet FAQ or documentation hub, then add their new Heroic AI Assistant chat to answer questions from that content.

Key Features:

• Create a fully functional knowledge base with advanced features like Ajax search, a feedback system, analytics, and more.
• Instant AI answers from your own articles.
• Easy to AI chatbot setup (just enable option from the settings)
• Integration with ticketing systems, Slack and more.
• Full control over users (fully integrated with WordPress user roles and access)

Pricing

Annual plans start at ~$67 per year for one site (Essential Plan).

There’s no free version, but compared to enterprise chatbots, this is a steal for small to midsize businesses.

My Take

The Heroic AI Assistant is a highly recommended tool for small and midsized businesses due to its exceptional value. It transforms your knowledge base into an intelligent, self-learning support hub that uses your content and AI technology to automatically answer questions.

2. Slack AI

Slack recently launched built-in AI features (Slack AI) that work right in your chats.

It can summarize channels and threads, answer quick questions, and even do daily recaps, all using your team’s own data.

There’s an official ChatGPT app for Slack too, which lets you ask OpenAI directly without leaving Slack.

Key Features:

• Ask questions in a DM or use “/ai” to chat with the bot.
• Generate summaries of channel threads or “huddles”.
• Build your own internal chatbot that responds to employee queries (IT, HR, policy questions, etc.) by hooking into knowledge base or external systems.
• AI-powered search
• Data security and permissions: Bot respects Slack’s existing workspace permissions and privacy controls.

Pricing

Slack’s AI features are only available on paid plans. At least a Pro plan is required to access AI features.

My Take

Slack AI is a smart addition for teams that already use Slack daily. It streamlines information flow, summarizes discussions, and instantly answers internal queries. It’s perfect for managers and teams who want faster access to information without leaving their workspace.

3. Microsoft Copilot Studio

If your company runs on Microsoft 365, you’ll want to check out Microsoft Copilot Studio and the new Teams Copilot.

With Microsoft Copilot Studio you can build powerful chatbots or agents.

It offers a no-code chatbot builder letting any team member create a bot that can answer company-specific questions.

You can connect it to your SharePoint, Dataverse, or other internal docs and teach it to chat.

Key Features:

• Build tailored internal bots for HR, IT, or operations without coding.
• Integration with Microsoft 365
• Natural language understanding
• Links with Power Automate, Power BI, and Power Apps for workflow automation
• Secure data control with Microsoft’s enterprise-grade compliance and access permissions
• Tracks chatbot usage, performance, and feedback to improve responses.
• Multi-channel support
• Connects with internal documents or Dataverse to get accurate answers.
• Extend Microsoft Copilot’s capabilities with custom plugins.

Pricing

There are pay-as-you-go and credit-based subscription options for accessing Microsoft Copilot Studio.

The base plan, for example, starts at around $200 per month and provides 25,000 Copilot credits.

My Take

Microsoft Copilot Studio is an excellent option for businesses that use Microsoft 365. It simplifies the process of creating internal chatbots that are secure and deeply integrated with Teams and SharePoint.

4. Workato Workbot – Automation Bot for Slack/Teams

Workato Workbot is an integration bot that connects Slack or Teams to all your business apps.

It’s like having an AI butler: employees ask Workbot questions (“@Workbot show me ticket updates”) or run workflows directly in chat.

I’ve actually used Workato in demos; it’s a very powerful alternative to Slack AI.

Key Features:

• Deep integration with Slack and Microsoft Teams
• No-code automation solution
• Custom commands
• Pre-built and custom bots that handle tasks like approvals, data lookup, and automated requests.
• App connectivity: Integrates with over 1,000 business apps, including Salesforce, Jira, and Google Workspace.
• Secure data handling
• Tracks workflow performance and chatbot engagement
• Team collaboration: Enables departments to manage repetitive tasks, tickets, and reports collaboratively within chat.

Pricing

Workato is enterprise software with custom pricing, and it’s aimed at midsize-to-large companies.

My Take

Workato Workbot is a powerful tool for teams using Slack or Teams. It connects apps, automates repetitive tasks, and runs workflows directly within chats. It’s ideal for large teams that need smart, secure, flexible automation without extensive coding.

5. Rezolve.ai – HR Chatbot

Rezolve.ai is an AI-powered HR chatbot for internal support. It lives in Slack and Microsoft Teams, as well as web or email.

You can use it to automate internal HR queries (leave policies, benefits info, etc.) with a conversational interface.

Key Features:

• AI-driven knowledge base and ticket bot for HR/IT.
• Conversational ticketing: Lets users create, track, and resolve tickets through natural chat.
• Pulls answers from internal knowledge bases or documents.
• Integration with enterprise tools like Jira, Slack, Microsoft 365
• Live agent handoff: Routes complex issues to human support when needed.
• Analytics and reporting
• Easy setup and customization for non-technical users.

Pricing

Rezolve offers custom pricing (tiered by features and number of employees).

My Take

Rezolve.ai is a smart HR chatbot for Teams and Slack that seamlessly blends AI and automation. It quickly answers routine employee questions, creates tickets via chat, and seamlessly transfers complex cases to human agents when necessary.

6. Leena AI – HR Virtual Assistant

Leena.ai is another Internal chatbot focused on HR and employee service.

It automates routine tasks so HR teams can focus on complex issues.

Leena can easily answer questions about company policy, raise tickets for IT requests, or guide new hires through onboarding workflows.

Key Features:

• AI-powered HR assistant
• Natural language understanding
• Guides new hires through forms, training, and introductions.
• Workflow automation for leave approvals, reminders, and other HR processes.
• Multi-channel: Chatbot, mobile app, voice assistant.
• Knowledge base integration
• Integrate with tools like Workday, BambooHR, and Slack
• Tracks metrics such as usage, response accuracy, and employee satisfaction metrics.

Pricing

To learn more about Leena’s operational costs, you need to request a demo. Typically, it’s a SaaS subscription based on employee count.

My Take

Leena AI is a strong HR-focused chatbot that simplifies employee support and onboarding.

It is easy to use, integrates with major HR tools, and automates repetitive workflows. It’s a great pick for large teams looking to modernize their internal HR operations.

7. Workativ – Slackbot for HR and IT

Workativ is a conversational AI-powered agent aimed at HR and IT support.

It lives in your website, Slack or Microsoft Teams and answers employee questions while handling simple IT tasks. Including auto-resolving leave inquiries, password resets, or travel policy questions.

Key Features:

• No-code chatbot builder
• Prebuilt workflows for HR, IT, and admin tasks
• AI-powered conversations
• Centralized knowledge access
• Multi-channel: Works on Slack, Teams, and web portals.
• Analytics and insights
• Instant human handoff for complex queries.

Pricing

Workativ is a freemium internal chatbot. The free plan offers limited access (50 AI sessions a month), which is good enough to test out things before investing more.

Paid plans start at $349 per month and include additional features and AI chat sessions.

It’s quite expensive, reflecting its enterprise focus.

My Take

Workativ chatbot for internal use is pretty slick—the automation, polished UI, and usability are top-notch. Though, the cost of usage could be a bit lower.

8. Espressive Barista – Employee AI Assistant

Espressive Barista is an AI-powered virtual support agent built to simplify internal help desk operations. It focuses on service and support tasks across HR, IT, facilities, and more.

Rather than submitting tickets or waiting for email replies, employees can ask Barista questions in plain language. The system then responds with accurate, personalized answers.

What sets Espressive Barista apart is its focus on the employee experience rather than pure automation.

Key Features:

• AI-driven employee help desk
• Natural language understanding and self-learning knowledge engine.
• Works across web, mobile, Microsoft Teams, and Slack
• Integration with enterprise systems like ServiceNow, Workday, Jira.
• Personalized responses
• Analytics dashboard
• Follows enterprise-grade security and compliance standards.

Pricing

Espressive typically sells to enterprise customers (no open pricing model).

My Take

Espressive Barista is smart, conversational, and secure, making it ideal for large HR or IT desks that need accurate, 24/7 multilingual assistance.

9. MeBeBot – Multi-Team Chatbot

MeBeBot is an internal chat-based assistant for HR, IT, and operations teams. A 24/7 receptionist and survey tool rolled into one.

Employees can ask HR/IT questions in Slack or Teams, and MeBeBot will answer from its global knowledge base or your custom content.

It also pushes notifications (e.g. remind someone to complete training) and collects feedback via pulse surveys.

Key Features:

• Pre-built HR, IT, and Operations knowledge base
• Self-service employee support
• Microsoft Teams and Slack integration
• Easily add or edit company-specific questions and answers
• Improves accuracy over time based on employee interactions
• Analytics to track usage, question trends, and response accuracy.
• Automated onboarding support
• Enterprise-grade security and permission controls
• Multi-language support

Pricing

Pricing for MeBeBot typically starts at $3.50 per user per month.

My Take

MeBeBot is a smart, multi-team chatbot that handles HR, IT, and operations questions directly in Slack or Teams. It’s quick to deploy, multilingual, and ideal for global teams. The built-in surveys and smart notifications make it more than just a Q&A bot.

10. Botpress – Open-Source Chatbot Platform

Botpress is an open-source platform for building chatbots.

Unlike the plug-and-play solutions above, Botpress is a framework: you (or developers) create the bot workflows. It’s hosted on your servers, so data stays in-house.

Key Features:

• Create conversational flows with a drag-and-drop interface, no coding required.
• Natural language understanding (NLU)
• Knowledge base integration
• Microsoft Teams, Slack, and web integration
• Connects with HR, IT, or CRM systems to automate internal workflows.
• Full control over data privacy and security
• Multi-language support
• Extend chatbot capabilities with community or custom plugins.

Pricing

Botpress is free and open-source, making it the perfect choice for an internal chatbot.

They offer an Enterprise edition with extra AI services, analytics, and support (quoted per company needs).

My Take

Botpress is ideal for teams that want full control over their internal chatbot. It’s flexible, secure, and free to host on your own servers. Although setting it up requires some technical effort, the freedom to customize and the privacy it offers make it well worth it.

11. Rasa – Open-Source Conversational AI

Rasa is another open-source chatbot framework, very popular for custom AI agents.

It’s enterprise-grade and Python-based. Companies use Rasa to build smart assistants that connect to their own data sources.

Key Features:

• Open-source framework
• Advanced natural language understanding
• On-premise or cloud deployment
• Connect to internal systems, HR portals, CRMs, or databases
• Contextual conversations
• Deploy to Slack, Microsoft Teams, web, or custom apps
• Analytics to track important metrics

Pricing

Rasa is an open-source and free chatbot building framework. They also offer a paid product, Rasa Enterprise, which includes support and UI components, such as visual flow editing.

My Take

Rasa requires a little bit of a learning curve (getting the NLU pipeline set up, defining stories), but you can build a pretty clever internal chatbot with it.

If you have developers who can invest time, Rasa will do almost anything.

Final Thoughts

For most businesses, all you need is a chatbot that can access your knowledge base and answer questions.

Which has become very straightforward with AI integration and plugins like Heroic Knowledge Base.

Install the plugin on your WordPress website > add knowledge base articles > enable the chatbot and its functions. That’s it!

There are also many internal chatbots on this list that offer more functionality and automation capabilities, which are suitable for enterprises and teams that need them.

Test out a few of these chatbots to find the perfect one for your business.