What is the difference between ReadMe and Slite?

ReadMe is best for API-first companies that want a full developer hub with usage metrics, while Slite is best for Teams wanting a simple, searchable knowledge base. ReadMe starts at $99/mo and Slite starts at Free.

Is ReadMe or Slite cheaper?

ReadMe starts at $99/mo with a free tier. Slite starts at Free with a free tier.

Is there a free alternative to Slite?

Both ReadMe and Slite offer free tiers.

ReadMe vs Slite

ReadMe is developer hub platform for creating interactive API documentation with built-in metrics and user management, while Slite is team knowledge base with AI-powered search that surfaces the right information instantly. The biggest difference up front: Slite is free, while ReadMe starts at $99/mo. ReadMe is built for api-first companies that want a full developer hub with usage metrics, whereas Slite targets teams wanting a simple, searchable knowledge base.

At a glance

	ReadMe	Slite
Best for	API-first companies that want a full developer hub with usage metrics	Teams wanting a simple, searchable knowledge base
Starting price	$99/mo	Free
Free tier	✓	✓
Open source	—	—
Free tier available	✓	✓
Open source	—	—
AI Search	—	✓
API Explorer	✓	—
Ask Feature	—	✓
Channels	—	✓
Custom Branding	✓	—
OpenAPI Import	✓	—
Templates	—	✓
Usage Metrics	✓	—
User Management	✓	—

ReadMe

Strengths

Personalized docs showing users their own API keys
Built-in API explorer for testing endpoints live
Usage metrics showing which endpoints developers actually call
Auto-generates docs from OpenAPI specifications

Weaknesses

Pricing starts at $99/mo which is steep for small teams
Opinionated layout with limited design customization
Better suited for API docs than general documentation
Learning curve for advanced customization features

Try ReadMe → Full review

Slite

Strengths

Includes AI Search as a core feature, purpose-built for documentation workflows
Huge template library covers social media, presentations, marketing materials, and more
Free for 50 docs — generous enough for most small teams to get real work done
Includes channels alongside the core feature set — fewer separate tools needed

Weaknesses

Free plan exists but key features are locked behind the paid upgrade
Fewer built-in features means you may need additional tools to cover gaps
Ecosystem of third-party integrations is smaller than the market leaders in documentation
Limited team/admin features if your organization eventually scales up

Try Slite → Full review

The bottom line

Pricing: Slite is completely free (Free for 50 docs), which makes it the obvious pick if budget is the top concern. ReadMe starts at $99/mo, but Free for 1 project with basic features. That cost buys you a more polished or feature-rich experience, so it comes down to whether the extras justify the spend.

Feature gaps: ReadMe offers API Explorer, Custom Branding and OpenAPI Import that Slite lacks. Slite brings AI Search, Ask Feature and Channels that ReadMe does not have.

Team fit: ReadMe is geared toward mid-size teams teams, while Slite is aimed at small teams teams. Pick the one that matches where your team is today and where it is headed — migrating tools later is always painful.

Where each tool shines: ReadMe's biggest strengths are: personalized docs showing users their own api keys. built-in api explorer for testing endpoints live. Slite's biggest strengths are: includes ai search as a core feature, purpose-built for documentation workflows. huge template library covers social media, presentations, marketing materials, and more.

Watch out for: With ReadMe, users commonly note that pricing starts at $99/mo which is steep for small teams. With Slite, the main complaint is that free plan exists but key features are locked behind the paid upgrade.

Choose ReadMe if...

You need a tool built for api-first companies that want a full developer hub with usage metrics
You specifically need API Explorer and Custom Branding
You care about built-in api explorer for testing endpoints live
Your team size fits the mid-size teams profile ReadMe is designed for
The free tier works for you: free for 1 project with basic features

Choose Slite if...

Your profile matches its sweet spot: teams wanting a simple, searchable knowledge base
Budget is a hard constraint — Slite is free, ReadMe is not
You specifically need AI Search and Ask Feature
You care about huge template library covers social media, presentations, marketing materials, and more
Your team size fits the small teams profile Slite is designed for