AI assistants trained on your data. Embed in one line.
Build a custom AI chatbot grounded in your business knowledge. Vector retrieval, sub-second streaming responses, and a drop-in widget for any site.
Powering AI assistants for teams at
Everything you need to ship a production AI bot.
Eight years of SaaS chat best practices, packed into one product. No fine-tuning required — upload, embed, watch it work.
AI knowledgebase
Upload FAQs, docs, raw text. Smart-chunked, semantically embedded, and indexed in a vector store dedicated to each chatbot.
Sub-second streams
Fast inference + a quick embedding path get tokens to the user inside 300 ms. Real-time feel, end to end.
Drop-in embed
One <script> tag or iframe. Auto-themes with your brand. Tracked per-site automatically.
Real analytics
Conversation logs, fallback rate, latency p95, per-bot leaderboards. No fluff numbers.
Multi-provider AI
Multiple LLM providers supported — admin picks the platform default, customers can attach their own key on Pro.
Strict multi-tenancy
Per-workspace row-level isolation on every table plus per-chatbot vector namespaces. Tenants can't see each other.
Watch it answer your customers in real time.
This is a real chatbot UI streaming a sample answer. Try the same patterns on your own data — first chatbot live in under two minutes.
Grounded answers only
It refuses to invent. If the answer isn't in your knowledge, it returns your fallback message exactly.
Conversation memory
Last 10 turns shipped back in every request. Threading feels natural without bloating the prompt.
Custom voice + tone
Pick friendly, formal, casual — or write your own system prompt. The bot stays on brand.
Three steps. Two minutes.
No model training, no DevOps, no vector tuning. We do the hard parts; you ship.
Upload knowledge
Paste FAQs, documents or product text. We chunk it, semantically embed it, and index it in your private workspace.
Train AI assistant
Pick a tone, set fallback behavior, customize the system prompt. Done in clicks — no fine-tuning.
Embed on website
Copy one <script> tag. The widget themes itself, tracks usage automatically, and works on any framework.
Know exactly what people ask — and how the AI answers.
Real conversation logs, fallback rate, per-bot leaderboards, embedded-site tracking, latency p95. Built for product teams, not vanity dashboards.
Pick any model. Bring your own keys.
Provider-agnostic by design. Swap streaming speed for reasoning quality or long context — your knowledgebase, prompts and analytics keep working.
Fast streaming
DefaultToken-level streaming for real-time chat feel.
Reasoning models
CapableWhen the question needs careful step-by-step thought.
Long context
WideDocument-heavy chats where retrieval recall matters.
Simple plans. Predictable cost.
Start free. Upgrade only when you've validated demand.
Teams already shipping with knot.ai.
“Replaced our $40k/year support chat in a weekend. Setup was under ten minutes and the fallback rate is already lower.”
“The embedded analytics by site is the killer feature — we know exactly which landing pages drive AI questions.”
“Switched from a custom RAG stack. Same retrieval quality, 1/20th the maintenance.”
Quick answers.
Ship a real AI assistant
by lunchtime.
Free forever for one chatbot. No card required. Upgrade only when you need volume.