Fern vs KnowledgeBase

See how their public offers line up before you choose your own position. Prices stay in the currency, billing schedule, and charged unit each vendor publishes.

Fern

See full pricing history

USD · US · source: buildwithfern.com

Plan	Pricing	Charged by	Offer type
Hobby	Free $0/month, free forever	Usage · free forever	Standalone · Free
Team Highlighted	USD 150 / month with annual commitment $150/month on yearly billing	Flat · per month billed yearly	Standalone · Fixed
Enterprise	Contact sales Custom	Flat · custom pricing	Standalone · Contact sales

KnowledgeBase

See full pricing history

USD · US · source: www.knowledgebase.com

Plan	Pricing	Charged by	Offer type
KnowledgeBase	USD 59 monthly · USD 49 / month with annual commitment $59/month or $49/month billed annually	Flat · published offer	Standalone · Fixed

What each plan includes

Feature names follow each vendor’s own pricing page, so verify the wording before treating them as exact equivalents.

Fern

Hobby

Plan card 2 team members: Included
Plan card 250 AI credits: Included
Plan card Custom domain: Included
Plan card API references and changelogs: Included

Team

Plan card 5 team members: Included
Plan card 1,000 AI credits: Included
Plan card Custom subpath: Included
Plan card Version switching: Included

Enterprise

Plan card Visitor authentication: Included
Plan card Role-based access: Included
Plan card Translated content: Included
Plan card Enterprise SSO: Included

KnowledgeBase

Plan card Knowledge bases: 1

Limited
Plan card Articles and seats: Unlimited

Limited
Plan card AI content editor: Included

How their prices changed

Each dated row shows the public prices observed when that vendor’s pricing page changed.

Fern

August 27, 2026 Source
- Hobby: Free
- Team: USD 150 / month with annual commitment
- Enterprise: Contact sales

KnowledgeBase

August 27, 2026 Source
- KnowledgeBase: USD 59 monthly · USD 49 / month with annual commitment