KNO
Free Slack AI assistant for instant Q&A from web and custom sources.
KNO is a smart, free add-on for any Slack team that wants instant answers without context-switching. It nails the basics—precision, speed, privacy—but be aware that custom source training is still in the works and deep reasoning isn't its strength. If you live in Slack and need quick facts, it's worth installing today. For heavier knowledge management, consider Guru or Stack Overflow for Teams.
Verified 4d ago · liveness 51/100 · cite: rightaichoice.com/tools/kno
- Support teams needing instant answers in Slack
- Sales enablement for quick product/technical facts
- Internal knowledge management without formal KB
- SaaS companies wanting a free AI assistant
- Teams requiring on-premises or private cloud deployment
- Users needing deep reasoning or long-form answers
- Organizations without a Slack workspace
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Skip KNO if you need deep reasoning, long-form answers, on-prem deployment, or if you're not a Slack-based team.
KNO is currently free, but future pricing tiers may introduce costs for custom source training or advanced analytics—monitor pricing updates.
KNO is free, which is unbeatable for Slack teams wanting to test AI Q&A. Compared to Guru (paid per user) or Stack Overflow for Teams (paid), KNO offers a no-cost entry point. However, for growing teams needing advanced features, those paid tools may provide better scaling.
In short
KNO — Free Slack AI assistant for instant Q&A from web and custom sources. Best for Support teams needing instant answers in Slack, Sales enablement for quick product/technical facts, Internal knowledge management without formal KB. Free to use.
Viability Score
How well maintained and how widely used is KNO? Built from what the vendor actually publishes (docs, changelog, tutorials, integrations, pricing), whether the site is live, and how much real users discuss it. How we calculate this
Last calculated: August 2026
How we score →Key Features
- Slack-native Q&A from 800GB web knowledge (OpenAI GPT-3)
- Private conversations and channel support
- Handoff to human support on unresolved queries
- No-code training and deployment
- Privacy: queries never linked to identity
- Available in shared channels and DMs
- Usage analytics and NPS tracking
- Multi-channel support (Slack, Teams, WhatsApp, Web Widget)
- Install via Slack app marketplace in three steps
- Custom prescribed knowledge sources (in development)
About KNO
KNO is a Slack-native AI assistant that answers your team's questions directly inside Slack. By default, it draws on 800GB of public web information trained on OpenAI's GPT-3, and it can also be taught to prioritize custom knowledge sources like help docs or wikis. This makes it a fit for support and sales teams who want instant answers without leaving their chat platform. Setup takes three steps: log into your Slack workspace, browse apps to find KNO, and start asking. You can chat with KNO privately or add it to channels, including shared channels and DMs. When a conversation doesn't conclude conclusively, KNO can redirect you to the right person. There's no-code training and deployment, and your questions are never linked to your identity. The product shows real traction: a 9.4 NPS, 50% month-over-month user growth, and 86%+ monthly active user retention. It's listed on the Slack app marketplace and is currently free. Compared to broader knowledge platforms like Guru or Stack Overflow for Teams, KNO is lighter on verification workflows, but its deep Slack integration and identity-free querying reduce friction. It's not built for complex reasoning or code generation—it's a focused, quick-answer bot.
Behind the Verdict
We'd reach for KNO when your team lives in Slack and keeps asking the same factual questions—about your product, internal policies, or technical concepts. It's a zero-friction way to cut context-switching: install from the marketplace, drop it in a channel, and it answers from 800GB of public web data trained on OpenAI's GPT-3. That coverage is broad, though it's not a substitute for your own docs until custom source training ships, which the vendor says is in development. In practice, that means early adopters should treat KNO as a smart search layer over the internet, not your internal wiki. Where it bites: KNO is not built for deep reasoning or long-form answers. If you need multi-step problem-solving or code generation, you'll be frustrated. Privacy is a strong point—queries are never tied to your identity—but that also means no personalization or memory across sessions. Compared to Guru or Stack Overflow for Teams, KNO is lighter on verification workflows and structured knowledge bases. Those tools let you curate and approve content; KNO just answers on the fly. If your team needs governance around answers, KNO isn't there yet. Who should skip it: organizations without Slack, teams that need on-premises deployment, or those requiring complex reasoning. And because it's free, you get what you pay for—support is minimal, and roadmap features like custom training are still pending. For a Slack-first team that wants quick facts without leaving chat, KNO is a practical, cost-free start. Just keep expectations in check on customization and depth.
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Real-world workflow fit
Concrete scenarios for the personas KNO actually fits — and what changes day-one when you adopt it.
A customer asks a repetitive question about a known issue.
Outcome: Agent asks KNO in Slack and quickly gets an accurate answer to share, reducing ticket handling time and improving consistency.
During a sales call, a prospect asks a product detail the rep doesn't immediately know.
Outcome: Rep pings KNO in Slack for instant answer, keeps the conversation flowing, and appears more knowledgeable.
An employee needs a policy or process clarification quickly.
Outcome: Employee asks KNO in a channel and gets a precise answer without hunting through documents, improving productivity.
Use Cases
- Quickly lookup product features or troubleshooting steps in Slack
- Train KNO on internal help docs to reduce support ticket volume
- Enable sales reps to get instant answers during customer calls
- Provide multilingual support by ingesting translated knowledge bases
- Automate answers to repetitive questions in public Slack channels
Models Under the Hood
as of 2026-08-23
Limitations
- KNO is designed for instant Q&A from web and custom sources, and by default is trained on OpenAI's GPT3 model.
- It requires a Slack workspace for installation and use.
- Custom prescribed sources are mentioned on the site, but the feature's availability status is not specified.
as of 2026-08-13
Verification history
We have re-verified KNO 5 times since . Each pass re-reads the vendor's own pages and re-checks every listed field against that evidence; passes where nothing had changed are marked as such.
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
- — re-checked, vendor evidence unchanged
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
Free to cite with attribution — this page re-verifies continuously.
12-month cost
Project the real annual outlay, including the implied monthly cost when only an annual tier is published.
Vendor list price only. Add-on usage, seat overages, and contract minimums are surfaced under Hidden costs & gotchas.
Plans compared
For each published KNO tier: who it actually fits, and what it adds vs. the previous tier. Cross-reference the cost calculator above for projected annual outlay.
Free
$0/mo
Ideal for
Slack teams that want to test AI Q&A without cost.
What this tier adds
Starting tier: includes Q&A from web knowledge, Slack integration, handoff to human support, and no-code deployment.
Where the pricing makes sense
The company stage and team size where KNO's pricing actually pencils out — and where peers do it cheaper.
KNO is free, which is unbeatable for Slack teams wanting to test AI Q&A. Compared to Guru (paid per user) or Stack Overflow for Teams (paid), KNO offers a no-cost entry point. However, for growing teams needing advanced features, those paid tools may provide better scaling.
Setup time & first value
How long it actually takes to get something useful out of KNO — broken out by persona, not the marketing-page minute.
Setup is instant: log into your Slack workspace, browse apps to find KNO, and start asking immediately—typically under 2 minutes.
Switching to or from KNO
How to bring data in from common predecessors and how to get it back out — written for the switcher, not the buyer.
- →From Stack Overflow for Teams: Start using KNO in Slack for quick Q&A; you can keep your existing Stack Overflow for deeper threads.
- ↗To Guru: If you outgrow KNO's free tier or need verification workflows, you can export your Slack Q&A history and set up Guru's knowledge base.
Integrations
Resources & Guides
Tutorials & Learning
Official links
Tools that pair well with KNO
Common stack mates teams adopt alongside KNO, with the specific reason each pairing earns its keep.
Featured Head-to-Head Comparisons
Kno vs Chatlyn
For hospitality businesses needing a unified guest communication hub with PMS integration, Chatlyn is the clear choice. For Slack-centric teams seeking a quick AI Q&A assistant, KNO is lightweight and easy to deploy. Choose based on industry and platform needs.
Kno vs B Rokratt
For Estonian residents needing frictionless access to government services, Bürokratt is a unique, free, and secure tool. For global teams wanting a Slack-integrated knowledge assistant to reduce support tickets, KNO is the clear choice. There is no overlap in audience, so your decision hinges entirely on geography and platform.
Kno vs Hi Marley
Hi Marley is the right choice for P&C insurers needing a purpose-built SMS claims platform to reduce phone tag and cycle times, with deep insurance integrations. KNO is better for general Slack-centric teams wanting an AI assistant to answer questions from knowledge bases. If you're in insurance, choose Hi Marley; otherwise, KNO.
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Frequently Asked Questions
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