4.8
on G2
Nuclino
Tettra
Nuclino and Tettra are both affordable internal wiki tools with per-user pricing, but they differ in AI capabilities, enterprise features, and what you actually get at each price point. This comparison breaks down every plan, what's included, and where costs start to add up — so you can make the right call for your team.
Feature Matrix
A feature-by-feature breakdown of what Nuclino and Tettra include across their pricing tiers — from free plans to top-tier paid plans.
| Feature |
Nuclino
|
Tettra
|
|---|---|---|
| Free Plan | 50 items, 3 canvases, 2GB | Up to 10 users, basic KB |
| Lowest Paid Tier | $6/user/month (Starter) | $4/user/month (Basic) |
| AI Features Entry Point | $10/user/month (Business) | $4/user/month (Basic — Kai AI) |
| Top Paid Tier | $10/user/month (Business) | $12/user/month (Professional) |
| Unlimited Items / Pages | Starter and above | All paid plans |
| AI Assistant | Business tier only (Sidekick AI) | All paid plans (Kai AI) |
| Analytics | Scaling+ ($8/user) | |
| API Access | Scaling+ ($8/user) | |
| SSO / SAML | Professional only ($12/user) | |
| Custom Branding | Professional only ($12/user) | |
| Advanced Permissions | Business tier only | Scaling+ plan |
| Version History | Starter and above | Basic page history (all plans) |
| Slack Integration | ||
| Content Verification | All paid plans | |
| Dedicated Success Manager | Professional only ($12/user) | |
| Storage | 10GB (Starter), upgrade needed for more | Not published |
| Multi-Tenant Portals | ||
| Custom Domain | ||
| SOC 2 Compliance | ||
| Video-to-Docs |
Pricing data as of February 2026. All prices reflect annual billing where applicable. Features based on publicly available vendor documentation.
Strengths & Weaknesses
Deep Dive
Nuclino wins on raw per-seat price — $6/user/month for Starter vs. Tettra's $4/user Basic — but Tettra includes Kai AI on all paid plans while Nuclino locks AI to the $10 Business tier. For teams wanting AI-assisted knowledge management, Tettra delivers more value at lower cost. Nuclino's visual canvas is a unique differentiator, but teams that don't need it may find Tettra's feature-per-dollar ratio stronger. Neither tool offers significant capabilities below the $8-10/user range that larger teams typically require.
Both tools use per-user pricing, meaning costs scale linearly with headcount. A 50-person team on Nuclino Business pays $500/month; the same team on Tettra Professional pays $600/month. Tettra's four-tier structure creates a more graduated cost ramp — teams can access API and analytics at $8/user before committing to the $12 Professional tier. Nuclino's two paid tiers offer less flexibility, jumping from $6 (limited) to $10 (full features). Neither tool is ideal for organizations expecting rapid headcount growth or needing to serve external clients without paying additional per-seat fees.
Nuclino's free plan is misleading at 50 items — most teams exhaust this within days, forcing an upgrade. Tettra's free plan is more genuinely useful at 10 users, though it omits core paid features. Both tools lack external documentation delivery, meaning teams needing customer-facing portals must purchase a separate platform entirely. SSO on Tettra requires the $12/user Professional plan, which adds up quickly for larger organizations. Neither tool offers custom domains, multi-tenant portals, or any video processing capability — gaps that often require purchasing additional tools alongside either platform.
Pricing Breakdown
Side-by-side pricing across all tiers for both tools, including what's included and where the real costs begin.
Tettra offers more pricing tiers and includes AI from its lowest paid plan, making it more flexible for growing teams. Nuclino is cheaper at entry level but gates AI behind its most expensive tier. Neither tool scales cost-efficiently beyond ~50 users, and both require supplemental tools for external documentation delivery, video processing, or multi-tenant portals — costs that are easy to overlook when comparing per-seat rates alone.
Our Recommendation
Nuclino and Tettra are both solid, affordable internal wiki tools optimized for small-to-medium teams that need simple knowledge sharing. Nuclino wins on price and visual uniqueness; Tettra wins on AI accessibility, Slack integration depth, and pricing flexibility. Neither is built for external documentation delivery, video-based content workflows, multi-tenant client portals, or enterprise-grade compliance — which limits their applicability as teams and documentation needs scale.
Choose Nuclino if you need...
Choose Tettra if you need...
Choose Docsie if you need...
Winner: Docsie
Both Nuclino and Tettra are internal-only wiki tools with no video processing, no multi-tenant portals, no custom domains, and no path to external documentation delivery. Docsie's workspace-based pricing model ($199/month for up to 15 users) avoids per-seat inflation, while its six-pillar platform — CONVERT, MANAGE, DELIVER, LEARN, AUTOMATE, MONITOR — handles everything from video ingestion to multi-client portal delivery to built-in LMS certifications that neither Nuclino nor Tettra can approach.
Common Questions
Q: Which is cheaper — Nuclino or Tettra?
A: At the lowest paid tier, Tettra Basic is $4/user/month compared to Nuclino Starter at $6/user/month. However, Tettra includes AI (Kai assistant) in its Basic plan while Nuclino only adds AI at the $10/user Business tier. If AI features are important, Tettra delivers more value per dollar. If you only need a simple wiki without AI, Nuclino's Starter plan is marginally cheaper.
Q: Do Nuclino or Tettra offer a free trial?
A: Tettra offers a 30-day free trial on paid plans. Nuclino does not offer a free trial but has a free plan limited to 50 items, 3 canvases, and 2GB of storage. Tettra's free plan supports up to 10 users with basic features and Slack integration, making it more practically useful for evaluating the product before committing to a paid tier.
Q: What features are locked behind the most expensive plans?
A: On Nuclino, AI (Sidekick) and advanced permissions are exclusive to the $10/user Business tier — there is no middle ground. On Tettra, SSO/SAML and custom branding are locked to the $12/user Professional plan, while API access and analytics require the $8/user Scaling plan. Neither tool offers custom domains, multi-tenant portals, or SOC 2 compliance at any price point.
Q: How do costs scale for a 50-person team?
A: A 50-person team on Nuclino Business pays $500/month (annually). The same team on Tettra Professional pays $600/month. If you only need Tettra Scaling (with API and analytics), that drops to $400/month. For teams needing SSO and AI together, Tettra Professional at $12/user is the only option, making it the more expensive choice at scale. Both tools become cost-inefficient compared to workspace-based pricing models as headcount grows.
Q: Is there a better alternative to both Nuclino and Tettra?
A: Yes — Docsie addresses the core limitations both tools share. Neither Nuclino nor Tettra can convert video into documentation, deliver content through multi-tenant branded portals, support 100+ languages with auto-translation, or meet enterprise compliance requirements like SOC 2 Type II. Docsie's workspace-based pricing starts at $199/month for up to 15 users, avoiding per-seat fee compounding, and includes a built-in LMS, autonomous agents, and real-time compliance monitoring that neither competitor offers at any price point.
Q: Which tool is better for a Slack-heavy team?
A: Tettra is the clear winner for Slack-heavy teams. Its Kai AI assistant answers questions directly in Slack by searching your knowledge base, making it a natural fit for teams that live in Slack. Nuclino has a Slack integration for notifications and linking, but it does not offer in-Slack AI Q&A. If your team expects to surface documentation answers without leaving Slack, Tettra's Basic plan at $4/user/month provides this from day one.
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