whats-best.ai

Knowledge Base & Wiki · head-to-head

Nuclino vs Slite

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.

Nuclino

EU-Made

Panel rating

Sovereignty: not determined

Full evaluation →

Slite

Rest of world

Panel rating

Sovereignty: 1 of 6 dimensions proven

Full evaluation →

The short answer

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leans Slite with 6 judges to 0 (6.8 vs 3.5), with documented API-settable verification expiries and an agent that flags outdated docs against Slack, GitHub and Linear activity.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 Engineering Lead

Leads a forty-person engineering team at a Berlin fintech that writes runbooks, architecture decisions and on-call guides. Writes in Markdown, links pages to Jira tickets and Slack threads, and has moved the team's docs twice. Wants fast search, code blocks and diagrams that render, an API and webhooks to generate pages from the pipeline, AI answers that cite their pages, and a full export the next tool can read.

Nuclino

Slite

This judge's pick

Criterion by criterion

Editor, structure & search

Nuclino

Collaborative documents with embedded files and flowcharts, collections with list, board, table and graph views, real-time co-editing, internal links typed with @, and a large ready-made template library are all documented, and the MCP pages confirm comments and version restore — content being Markdown through the API suits my runbooks. We found no public information on code blocks in the editor, search filters, attachment search, or AI answers that cite the pages they draw on, which is exactly where my bar sits.

Slite

Real-time co-editing with comments, mentions and doc history, Markdown in and out, and diagrams through Mermaid, Draw.io and Excalidraw cover how my team actually writes runbooks. Search is the strong part: AI answers that cite their exact sources, verified docs ranked first with a trust signal on every citation, semantic search across docs, threads and tickets, and permission-aware answers across Slack, Drive and 20-plus connected sources, reachable from Slack itself. We found no public information on backlinks or a link graph, on searching attachments, or on templates with variables.

Verification, ownership & freshness

Nuclino

Version restore is confirmed through the MCP documentation, and the product pages mention an audit log of team events plus team insights into active contributors and popular content. We found no public information on per-page owners, verification with review dates, approval or draft-to-publish workflows, read confirmations, or stale-content and duplicate analytics, so this falls well short of the controlled-document governance a regulated team runs on.

Slite

Doc ownership and a verification workflow ship in the base plan, verification expiry is even settable through the API, and every write is attributed with draft states and version history behind it. The standout is freshness: the Agent compares docs against activity in Slack, GitHub and Linear, flags outdated content and routes drafted fixes to a human for approval, with a panel showing which docs need attention plus reading and search analytics. We found no public information on read confirmations for mandatory pages, duplicate detection, or exporting the audit trail.

Permissions, SSO & administration

Nuclino

Workspace-level roles, access and editing restrictions, groups, private workspaces, SAML-based single sign-on including via Active Directory and Entra ID, two-factor authentication and admin restrictions on public sharing and export are documented, and the MCP pages state AI tools only see content the account can access. We found no public information on SCIM provisioning or directory group sync, enforced two-factor, IP or domain restrictions, or an audit log of permission changes, so it stops short of what an enterprise auditor asks for.

Slite

Five workspace roles and per-doc Channel admin, Writer, Reader and No access, with cascading permissions down the tree, overrides at any level, guest collaborators, reader-only seats and admin controls over inviting, public sharing and channel creation. OpenID SSO and SCIM provisioning are real, and the part that decides it for me: every query, including third-party agents through MCP, inherits the user's permissions. We found no public information on enforced two-factor authentication for end users or IP restrictions, and the audit log is described without an export path.

Help-center publishing & integrations

Nuclino

Publishing to a website with a custom domain appears on the pricing page, the API is documented for searching, reading and writing Markdown content, and the MCP server for Claude, ChatGPT and Cursor is documented in real depth and available on all plans. We found no public information on webhooks, on named integrations with Slack, Teams, Jira or Google Drive, on help-desk or ticket-deflection flows, or on SEO and multilingual publishing — for generating runbook pages from the pipeline, the absent webhook story matters to me.

Slite

This is what I would wire our pipeline into: a documented v1 API that fetches and searches docs, creates docs from Markdown, serves whole subtrees through a descendants endpoint, service accounts, custom blocks with live interaction, and an MCP server with 40-plus read-write tools over OAuth. Public docs get SEO indexing, custom branding and a custom domain, integrations run into the hundreds including Jira, Slack, Google Drive and Figma, and AI answers are reachable from Slack and from a Chrome extension that answers from the page you are on. We found no public information on webhooks, multilingual publishing, a customer-facing widget or help-desk ticket deflection.

Import, export & self-hosting

Nuclino

The help centre carries an import and export section, imports from several common formats and tools are mentioned, and the API can pull every item as Markdown, which is enough for me to script an exit myself. We found no public information on a Confluence migration path, on a full export including attachments and history, or on a self-hosted or open-source edition, so both arriving and leaving cost more than I want after two moves.

Slite

Getting in is fine, with importers advertised for Notion, Confluence, ClickUp, Quip and OneNote. Getting out is the problem: the export help page offers PDF, Markdown and HTML per individual doc and states that exporting several docs in bulk is not possible and that doc history and comments are not included, so the API's subtree export in SliteML or HTML is the only route to a full archive — and we found no public information on a self-hosted or open-source edition.

European sovereignty

Nuclino

The contracting entity is Nuclino GmbH in Grünwald with a Munich commercial register number, German law and Munich jurisdiction are stated, and a published subprocessor page names AWS EMEA in Luxembourg and Heroku with data locations in Europe. We found no public information on a published data processing agreement, on security certifications, or on the AI model provider behind Sidekick within the subprocessor chain, so the end-to-end chain a wiki of internal processes and trade secrets needs is only partly evidenced.

Slite

The contracting entity is Slite, Inc., a Delaware corporation in San Francisco, the service runs on Google Cloud Platform operated by Google LLC, and the privacy policy says personal information is provided directly in the United States; the French entity exists but the legal notice states it does not commercialise the service and does not act as contracting entity. The mitigations are real — media assets and daily backups stated to sit in EU Google Cloud storage, embeddings for AI search computed internally, data stated never to be used to train AI models, a Data Processing Addendum with Standard Contractual Clauses and SOC 2 Type II — but subprocessor locations are not published beyond categories with Stripe, Datadog and Vanta named.

Pricing transparency

Nuclino

A free plan, monthly and yearly billing, amounts stated without VAT, two-week cancellation notice and auto-renewal terms are public, and the pricing page defines a user as everyone including guests and read-only members, with the whole team upgrading together. No per-user price figures were captured for the Free, Starter and Business tiers, so I cannot compute our annual cost from these pages.

Slite

Basic is $10 per user/month and Pro $20 per user/month, both billed yearly, and the surrounding detail is unusually good: 30 AI edits per month per user on Basic, 50 monthly credits per seat on Pro, storage of 5GB to 10GB per user, a 200MB upload cap, OpenID SSO included from Pro, and a 14-day free trial with no credit card required. Reader-only seats, SCIM and audit logs sit in an Enterprise tier with custom pricing, and we found no public information on minimum seats, term length or VAT treatment.

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.

Data · Deletion right yes1

captured 1 Nov 2026 · Report an error

yes2

captured 1 Nov 2026 · Report an error

Integrations · API yes3

captured 1 Nov 2026 · Report an error

Slite offers a public API to build on top of Slite docs4

captured 1 Nov 2026 · Report an error

Integrations · Mcp MCP listed in footer5

captured 1 Nov 2026 · Report an error

yes6

captured 1 Nov 2026 · Report an error

Legal · Entity Nuclino GmbH · Nördliche Münchner Str. 47, 82031 Grünwald, Germany7

captured 1 Nov 2026 · Report an error

controller · Slite, Inc.2

captured 1 Nov 2026 · Report an error

Product · Apps yes · yes · yes7

captured 1 Nov 2026 · Report an error

yes · yes6

captured 1 Nov 2026 · Report an error

Product · Realtime collaboration yes3

captured 1 Nov 2026 · Report an error

yes6

captured 1 Nov 2026 · Report an error

Product · SSO yes8

captured 1 Nov 2026 · Report an error

email/password · Google SSO · Slack SSO · Apple SSO9

captured 1 Nov 2026 · Report an error

Product · Use cases project management, document collaboration, onboarding, meeting notes5

captured 1 Nov 2026 · Report an error

Knowledge Management · Support · Customer Success10

captured 1 Nov 2026 · Report an error

Questions about Nuclino and Slite

Which is better, Nuclino or Slite?

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.