As of 1 Nov 2026, the panel rates Nuclino 2.5/5 and Slite 3/5 in Knowledge Base & Wiki. Weighted by what each judge cares about, 0 of the 6 judges pick Nuclino and 6 pick Slite. Nuclino scores higher on 1 of 7 criteria (European sovereignty). Slite scores higher on 6 of 7 criteria (Verification, ownership & freshness, Editor, structure & search, Pricing transparency, plus 3 more). Provenance — Nuclino: EU-Made; Slite: Rest of world, United States. Ratings are the AI panel’s opinion, formed from public evidence: how scores are made.
Slite is ahead on authoring and search (7.3 vs 5.7), knowledge governance (6.8 vs 3.5) and access control (7.2 vs 6.0), with 6 judges leaning Slite on each, and on publishing and integrations (6.3 vs 5.7; 4 lean Slite, 2 ties). Nuclino leads only on sovereignty, 5.3 vs 3.7 with 6 judges leaning Nuclino — its verdict credits the German entity and a dated subprocessor list with data location Europe, while weighing the privacy policy's transfer reservation and no published data processing agreement. Portability and hosting is close (4.0 vs 3.8; 1 lean Slite, 5 ties) and pricing transparency splits 5 lean Slite, 1 tie. Weighted totals for the six judges run 5.9, 5.5, 6.6, 5.9, 5.9, 5.0 for Slite against 4.9, 4.9, 5.1, 5.2, 4.2, 4.7 for Nuclino. The leans differ by criterion; that split is the answer, not a winner.
Choose Nuclino if
You weight vendor sovereignty heavily in a knowledge-base purchase: 6 judges leaned Nuclino on that criterion (5.3 vs 3.7).
Your contracts must sit with a German GmbH — Nuclino GmbH of Grünwald, Germany — rather than Slite, Inc., a Delaware corporation.
Your vendor review requires a dated subprocessor list with data location recorded as Europe, as Nuclino's verdict documents.
Your procurement policy requires a product recorded as EU-made; Nuclino's provenance entry reads EU-made.
Choose Slite if
You need documents that stay verified: knowledge governance leans Slite with 6 judges to 0 (6.8 vs 3.5), with documented API-settable verification expiries and an agent that flags outdated docs against Slack, GitHub and Linear activity.
Your team writes all day: authoring and search leans Slite 6 judges to 0 (7.3 vs 5.7) on a real-time editor with Markdown, diagrams and hundreds of embeds, plus AI answers citing their exact sources across 20-plus connected sources.
You control access per document: access control leans Slite 6 judges to 0 (7.2 vs 6.0), with per-doc roles and cascading permissions that every query inherits.
You want published per-user prices: Basic at $10 per user/month and Pro at $20 per user/month, both billed yearly; pricing transparency leans Slite 5 judges to 1 tie (5.2 vs 3.8).
You rely on publishing and integrations: that criterion leans Slite 4 judges to 0 with 2 ties (6.3 vs 5.7).
Read this comparison as one judge. Each weighs the same scores by what they care about.
The Operations Lead
Head of operations at a 180-person machine builder in Baden-Württemberg, where onboarding, travel rules and the service hotline's answers live in a shared drive, three OneNote books and two colleagues' heads. Wants one place the whole company actually uses: an editor office staff manage without training, a search that finds the answer rather than the file, pages that name who keeps them current, and a price that does not double when the workshop gets read access.
Nuclino
Slite
This judge's pick
Criterion by criterion
Editor, structure & search
Nuclino
Items are collaborative documents with notes, tasks, flowcharts and embedded files, organised into workspaces, collections and list, board, table and graph views, with real-time collaboration, internal links via @ and a large ready-made template library from company wiki to standard operating procedures. For finding the answer rather than the file we found no public information on search filters, searching inside attachments, or whether Sidekick's answers cite the pages they draw on.
Slite
The editor is real-time collaborative with comments, mentions, templates and doc history, embeds cover Draw.io, Mermaid, Figma and video, and Markdown is supported both ways. Search reaches across Slack, Google Drive and more than 20 connected sources, answers arrive with citations and permission awareness, and there are AI answers in Slack plus a Chrome extension that answers from all sources. We found no public information on backlinks, a link graph or search inside attachments, which keeps this a step below the top band.
Verification, ownership & freshness
Nuclino
What is described is history and insight: earlier versions can be restored, a team-event log gives more control and insights into important team events, and team insights show popular content and active contributors. We found no public information on my must-have, a named owner per page, nor on review dates, approval steps, read confirmations or stale-page flagging.
Slite
Doc ownership and a verification workflow are named per doc, even the API sets a verification expiry date, and the agent flags outdated content by comparing docs against Slack, GitHub and Linear activity, routing drafted fixes through human triage; a proofreader workflow produces a gap analysis against tickets and threads. Reading and search analytics are described. We found no public information on read confirmations for mandatory pages, multi-reviewer approvals or an exportable audit trail.
Permissions, SSO & administration
Nuclino
Roles and permissions are configured at workspace level with private workspaces and groups, SAML-based single sign-on is offered with ADFS and Microsoft Entra ID documented, two-factor authentication exists, admins can restrict public sharing and export, and the AI connections respect account permissions. We found no public information on SCIM provisioning, LDAP or directory group sync, organisation-wide enforced two-factor authentication, or what the audit log records.
Slite
Five workspace roles, per-doc roles for writer, reader and channel admin, cascading permissions with overrides, guest collaborators and admin controls over inviting and public sharing are documented, along with OpenID SSO, SCIM and an audit log. Every AI query and the MCP server inherit the user's permissions, so the workshop can ask questions without seeing HR's pages. We found no public information on enforced two-factor authentication for members, IP or domain restrictions, or directory group sync; reader-only seats sit only in the custom-priced Enterprise plan.
Help-center publishing & integrations
Nuclino
Content can be published as a website with a custom domain, the API is documented and moves content as Markdown, and the MCP server — available on all plans — lets Claude, ChatGPT, Cursor and other assistants search, read and write with permissions respected. We found no public information on which tools the ready-made integrations cover beyond Active Directory single sign-on, nor on SEO controls, multilingual publishing, help-desk deflection or webhooks.
Slite
Public docs can carry custom branding and domain with SEO indexing and AI answers, and the integration catalogue runs to hundreds — Slack, Jira, Google Drive, Linear, Notion — plus a documented API with rate-limit responses and an MCP server with OAuth and more than 40 tools. We found no public information on multilingual publishing, logged-in customer access to a help center, an in-product widget, webhooks or ticket deflection, so this reads as strong public sharing rather than a full help-center operation.
Import, export & self-hosting
Nuclino
Import from several common formats and tools and export from within the service are confirmed, the help centre documents an import and export section, and the API fetches and updates content as Markdown. We found no public information on a Confluence migration path, a full workspace export with attachments and history, or any self-hosted or open-source edition.
Slite
Arriving is well covered: migrations from Notion, Confluence, ClickUp, Quip and OneNote are advertised, which would absorb our OneNote books, and the API can export a doc subtree in SliteML or HTML. The help pages state that doc history and comments are not included in exports and that exporting several docs in bulk, such as a channel, is not possible. We found no public information on a self-hosted edition.
European sovereignty
Nuclino
Nuclino GmbH is registered in Grünwald near Munich under German law and publishes a dated subprocessor list naming Amazon Web Services EMEA in Luxembourg and Heroku, both with data location Europe. The chain is not closed: the privacy policy reserves transferring and storing information wherever Nuclino or its providers operate, and we found no public information on the AI provider behind Sidekick, training on customer content, a data processing agreement, or security certifications.
Slite
The contracting entity is Slite, Inc., a Delaware corporation in San Francisco, the primary transfer country is the United States, and the captured pages state the Paris entity does not commercialise the service or contract with customers. On the other side, media assets and backups sit in EU Google Cloud, a data processing agreement with standard contractual clauses is published, customer content is stated never to train AI models, and SOC 2 Type II is evidenced. Subprocessors appear only as categories plus Google Cloud, Stripe and Datadog, with no list of locations, so the chain is only partly visible.
Pricing transparency
Nuclino
A free plan, monthly or yearly billing, prices excluding VAT, auto-renewal with a two-week notice period and termination by email are published, and the pricing page states plainly that guests and read-only members count as users and upgrading covers the whole team — the exact scaling rule I need, though it means the workshop's read access is charged like everyone else's. The captured pricing pages show no per-user figures for the paid tiers, and we found no public information on storage limits, minimum seats or which features cost extra.
Slite
Basic and Pro are published at "$10 per user/month" and "$20 per user/month" billed yearly, with storage per user, AI-edit quotas, a 200MB upload limit and a 14-day trial without credit card stated. But reader-only seats, audit logs, SCIM and the service level agreement sit only in Enterprise, which is "Let's talk" custom pricing — so the one price I care about, read access for the workshop, is a sales call. We found no public information on minimum seats, minimum term, VAT treatment or a permanent free plan.
Sovereignty, side by side
Dimension
Nuclino
Slite
Legal entity
Not determined
Incorporated in US
Hosting location
Not determined
Not determined
Hosting options
Not determined
Not determined
Open source
Not determined
Not determined
Data processing agreement
Not determined
Not determined
Transfer impact assessment
Not determined
Not determined
Facts, side by side
Only facts both products carry under the same definition — anything else would not be a fair row.
As of 1 Nov 2026, the panel rates Slite higher: 3/5 against 2.5/5. Weighted by what each judge cares about, 0 of the 6 judges pick Nuclino and 6 pick Slite. Which one fits depends on the criteria that matter to you; the table on this page shows both side by side, and each judge’s reading has its own page. Both were scored by the same AI bench under the same rubric, from public evidence only, as the methodology describes.
Is Nuclino or Slite European?
Nuclino is European (EU-Made). Slite is not European by provenance (Rest of world, United States). Provenance is read from each company’s own legal pages: who builds it and who owns it.
Do Nuclino and Slite have a free plan?
As of 1 Nov 2026, Nuclino’s own pages state a free plan; Slite’s pages as captured do not. Each product page links the pricing page it was read from.