Best Knowledge Base Software · head-to-head
Notion vs Slab
A sourced, side-by-side comparison for knowledge base software. Notion has the lower entry price. Every figure links to the public page it was captured from — the vendor's own wherever the vendor publishes the number, otherwise the named public source — with the date we captured it.
Notion has the lower entry price — Notion starts at $0/mo, Slab at $0/mo. Free tier: Notion Yes, Slab Yes. HIPAA: Notion Yes, Slab No.
As of 2026-11-01 · figures link to their source below
Side by side
Notion
$0/mo entrySlab
$0/mo entrySources — Notion: notion.com (verified 2026-11-01) · Slab: slab.com (verified 2026-11-01)
Key features
Notion: Databases with subtasks, relations, and multiple views (table, board, calendar, gallery); Notion AI with zero LLM-provider data retention on paid plans; SAML SSO and SCIM user provisioning (Business and above); ISO 27001, 27701, 27017, 27018 certified infrastructure; HIPAA available on Enterprise with signed BAA
Slab: Unified search across Slab and integrated tools (Google Docs, Sheets, Slides sync); GitHub live markdown sync with inline Issue previews; Topic-based hierarchical organization with staleness signals; Real-time co-editing with overwrite prevention; Admin content-health insights (stale content detection)