Natural-language search
Ask the way you'd ask a teammate. Cortex understands intent, context, and follow-ups — no keywords or boolean operators required.
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AI Search · Grounded in your docs
Ask anything. Get answers with sources.
Cortex is the AI search assistant for your team's knowledge. Ask in plain English and get a direct answer — backed by citations from your own documents, not a guess from the open web.
Powering knowledge teams at fast-moving companies
▲ Northwind
◆ Quantle
● Vireo Labs
■ Cobalt
✦ Lumen
△ Orbit
What Cortex does
Search that actually understands your work
Cortex reads everything your team writes, then answers questions about it — accurately, instantly, and with the receipts to prove it.
Cited answers
Every answer links back to the exact passages it came from, so your team can verify in one click and trust what they read.
Learn moreConnect your docs
Sync Notion, Slack, Drive, Confluence, GitHub, and 40+ more. Cortex indexes them securely and keeps everything fresh.
Learn moreWorkspaces
Give every team its own knowledge space — Support, Sales, Engineering — each scoped to the sources that matter to them.
Learn morePermissions
Cortex respects your source permissions. People only ever see answers from documents they're already allowed to open.
Learn moreAPI
Build search and grounded answers into your own apps with a clean REST API and SDKs — citations included by default.
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How it works
From scattered docs to trusted answers
Cortex turns your existing knowledge into an assistant in four steps — no data migration, no rewriting your wiki.
1
Connect
Link your tools in a few clicks — Notion, Slack, Drive, Confluence, and more — with read-only, permission-aware access.
2
Index
Cortex parses, chunks, and embeds every document into a secure vector index, then keeps it in sync as content changes.
3
Ask
Your team asks questions in natural language. Retrieval finds the most relevant passages across every connected source.
4
Cite
Cortex composes a clear answer and attaches the exact sources, so every claim is one click from its origin.
Knowledge work, measured
Numbers from teams running Cortex across the last twelve months.
120M+Questions answered
800M+Sources indexed
6,500+Teams onboard
Loved by teams
What people say about Cortex
"Our support team used to dig through five wikis to answer one ticket. Now they ask Cortex and get the answer with the source attached. Resolution time dropped 40%."
"The citations are the killer feature. Leadership finally trusts AI answers because every claim shows exactly which document it came from."
"Onboarding new reps used to take weeks. With Cortex, day-one hires ask the assistant and get accurate, permission-safe answers instantly."
Turn your docs into answers today
Connect your first source and start asking in under five minutes. Free to try, no credit card required.