Best AI Assistants for Slack in 2026: A Neutral Comparison (12 Tools Tested)

Your team already lives in Slack. The last thing anyone wants is another app to open, another tab to check, another login to remember. That's why the best AI assistants for Slack are the ones that meet your team where they already are.

We tested 12 AI assistants and agents that work inside Slack — not browser extensions, not standalone apps — actual Slack-native tools. Here's what we found.

Why a Slack-Native AI Assistant Matters

Slack is where decisions happen, where questions get asked, and where work actually moves forward. An AI assistant that lives in Slack can:

• Answer questions without making you switch tools
• Summarize channels and threads you missed
• Pull data from your other tools (CRM, support, analytics) right into the conversation
• Automate repetitive Slack workflows
• Act as a team member that never sleeps

But not all Slack AI assistants are built the same. Some are lightweight bots. Some are full AI employees. Some are narrowly focused on specific use cases. Here's how they compare.

The 12 Slack AI Assistants We Tested

1. Cody (heycody.ink)

**Best for:** Teams that want one AI assistant across Slack AND other chat platforms.

**What it does:** Cody is a full AI employee that lives in Slack (plus Teams, WhatsApp, Telegram, and Discord). It connects to 60+ tools including Salesforce, HubSpot, Jira, Google Workspace, Notion, Stripe, and GitHub. You build it by dragging pre-built agent blocks onto a visual canvas — no code, no YAML.

**Standout features:** - Visual canvas for building custom AI agents with drag-and-drop - Works across Slack, Teams, WhatsApp, Telegram, and Discord simultaneously - Proactive monitoring — it spots problems before you ask - Dedicated private EC2 instance (your data never touches shared infrastructure) - 60+ native integrations

**Limitations:** - Starts at $350/mo — higher price point than simpler bots - Not open source - Visual canvas has a learning curve

**Pricing:** $350/mo per dedicated instance

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2. Glean

**Best for:** Enterprise search across your company's entire knowledge base.

**What it does:** Glean indexes your company's documents, messages, tickets, and code to provide AI-powered search and answers inside Slack. It's less of an assistant and more of an enterprise search engine with a conversational interface.

**Standout features:** - Connects to 100+ enterprise data sources - Permission-aware (respects your existing access controls) - Strong for finding internal knowledge

**Limitations:** - Primarily search-focused, not a general-purpose assistant - Enterprise pricing (not transparent) - Can't take actions on your behalf in most tools

**Pricing:** Not publicly listed (enterprise sales)

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3. Lindy

**Best for:** Teams that want AI agents that execute multi-step workflows.

**What it does:** Lindy lets you create AI agents that handle specific workflows — like triaging support tickets, qualifying leads, or scheduling meetings. Agents can work across Slack, email, and calendars.

**Standout features:** - Agents can execute multi-step workflows autonomously - Strong email and calendar integration - Good trigger system (if this happens, do that)

**Limitations:** - Workflow-focused; less conversational - Pricing scales with agent count - Limited to supported integrations

**Pricing:** Starts at $99/mo per agent

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4. ClearFeed

**Best for:** Customer support teams that use Slack for ticketing.

**What it does:** ClearFeed turns Slack channels into a help desk. It converts Slack messages into tickets, tracks resolution, and provides AI-powered responses and triage. It's purpose-built for support use cases.

**Standout features:** - Purpose-built for support workflows in Slack - Integrates with Zendesk, Intercom, Freshdesk - Good SLA tracking and reporting

**Limitations:** - Only useful for support teams - Not a general-purpose assistant - Limited to support tool integrations

**Pricing:** Starts at $25/user/mo

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5. Cassidy

**Best for:** Teams that want to build custom AI workflows with a no-code builder.

**What it does:** Cassidy provides a no-code platform for building AI assistants with custom knowledge bases, workflows, and integrations. It can operate inside Slack as a bot.

**Standout features:** - Strong no-code assistant builder - Custom knowledge base training - Good data connectors

**Limitations:** - More of a bot builder than a ready-made assistant - Requires setup and configuration - Less polished Slack integration than dedicated tools

**Pricing:** Starts at $29/mo

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6. Crevio

**Best for:** Teams looking for an AI agent that acts like a virtual coworker.

**What it does:** Crevio is an AI agent that joins your Slack workspace and takes on specific roles — like a sales development rep, support agent, or project coordinator. It's designed to be assigned tasks rather than just answer questions.

**Standout features:** - Role-based agents (SDR, support, PM) - Learns from your team's processes - Proactive task execution

**Limitations:** - Relatively new (2026) - Limited integration ecosystem - Best suited for specific role-based use cases

**Pricing:** Not publicly listed

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7. Carly AI (usecarly.com)

**Best for:** Small teams wanting an affordable Slack AI assistant.

**What it does:** Carly is a straightforward AI assistant for Slack that can answer questions, summarize channels, and help with basic productivity tasks. It's simpler than the enterprise options but also more approachable.

**Standout features:** - Simple, no-fuss setup - Good at channel summarization - Affordable for small teams

**Limitations:** - Limited integrations compared to Cody or Glean - Less proactive than some competitors - No multi-platform support (Slack only)

**Pricing:** Starts at $19/mo

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8. Viktor AI

**Best for:** Teams that want an AI assistant focused on meeting and conversation intelligence.

**What it does:** Viktor joins your Slack channels and meetings to capture action items, decisions, and follow-ups. It's particularly strong at extracting structured information from conversations.

**Standout features:** - Excellent meeting and conversation summarization - Automatic action item extraction - Good follow-up tracking

**Limitations:** - Narrow focus on meeting/conversation intelligence - Limited tool integrations - Not a general-purpose assistant

**Pricing:** Starts at $39/user/mo

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9. Notion AI (in Slack via integration)

**Best for:** Teams heavily invested in Notion.

**What it does:** Notion AI provides AI-powered search, writing, and Q&A for your Notion workspace. Through Notion's Slack integration, you can query Notion AI from Slack.

**Standout features:** - Deep integration with Notion's knowledge base - Good for writing and editing content - Q&A over your Notion docs

**Limitations:** - Only works with Notion data - Limited Slack-native experience (it's a Notion feature accessed via Slack) - Can't connect to other tools

**Pricing:** $10/member/mo (add-on to Notion)

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10. Slack AI (native)

**Best for:** Teams that want the simplest possible AI integration with zero setup.

**What it does:** Slack's own AI features provide channel summaries, thread summaries, and AI-powered search directly in Slack. It's built by Slack and requires no third-party setup.

**Standout features:** - Zero setup — it's native to Slack - Good channel and thread summaries - AI-powered search across your workspace

**Limitations:** - Limited to Slack data only - Can't connect to external tools - Can't take actions or automate workflows - No custom agent or skill creation

**Pricing:** Add-on for Enterprise Grid plans (pricing not publicly listed)

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11. Moveworks

**Best for:** Enterprise IT and HR support teams.

**What it does:** Moveworks is an enterprise AI platform that automates IT support, HR requests, and employee onboarding. Its Slack bot handles common employee requests autonomously.

**Standout features:** - Enterprise-grade IT and HR automation - Handles complex approval workflows - Strong for large organizations

**Limitations:** - Only focused on IT/HR use cases - Enterprise-only (not suitable for small teams) - Expensive

**Pricing:** Enterprise (not publicly listed)

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12. Ada

**Best for:** Customer service teams that want AI-powered chat automation.

**What it does:** Ada is a customer service automation platform. Its Slack integration lets support teams manage and monitor AI-powered customer conversations from Slack.

**Standout features:** - Purpose-built for customer service automation - Strong multilingual support - Good analytics and conversation insights

**Limitations:** - Only useful for customer service teams - Primarily a customer-facing tool (internal Slack use is secondary) - Expensive for small teams

**Pricing:** Not publicly listed

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Comparison Table

Which AI Assistant Should You Choose?

Choose Cody if: - Your team works across multiple chat platforms (Slack + Teams + WhatsApp + Telegram) - You need deep integrations with 60+ tools - You want a full AI employee, not just a bot - Data privacy matters (dedicated instance vs shared infrastructure) - You want proactive monitoring, not just reactive Q&A

Choose Glean if: - Enterprise search is your primary need - You have a complex internal knowledge landscape - You're a large enterprise with budget for enterprise tools

Choose Lindy if: - Workflow automation is your priority - You want AI agents that execute, not just answer - Email + calendar + Slack is your core stack

Choose ClearFeed if: - You're purely a support team - Slack is your support ticketing interface - You need SLA tracking and support analytics

Choose Slack AI if: - You want the simplest possible experience - You only need Slack-native features (summaries, search) - You're on Slack Enterprise Grid

Choose a lower-cost option (Carly, Cassidy) if: - You're a small team with simple needs - Budget is the primary constraint - You don't need deep integrations or multi-platform support

The Bottom Line

The AI assistant landscape for Slack is maturing fast in 2026. What was once a choice between simple chatbots and enterprise search is now a spectrum of tools ranging from free native features to full AI employees.

The key decision is really about scope: do you want a tool that helps with one specific thing (support, search, meetings), or do you want an AI that works across your entire tool stack and every chat surface your team uses?

For teams that want the latter — a genuine AI employee that integrates deeply and works everywhere — Cody stands out as the most comprehensive option, especially if you value multi-platform support and data privacy.

*Last updated: June 2026. Pricing and features may have changed since publication.*