Fern vs Kong: Which is Better in 2026?
Choosing between Fern and Kong comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Bottom line: Kong wins this matchup. Our overall API Tools pick is ElevenLabs. Our free API Tools pick is Steampipe. Pick Fern if you need developer tools.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Fern
Generate and publish SDKs and create stunning API documentation from your API specification.
Best for you if:
- • You want generates high-quality, language-idiomatic SDKs, saving significant development time
- • You want provides a comprehensive and customizable documentation platform with advanced features
Kong
Route, secure, and observe APIs with a scalable platform
Best for you if:
- • You want high performance
- • You want extensible plugins
| At a Glance | Fern | Kong |
|---|---|---|
Starts at | FreeFree tier available | FreeFree tier available |
Best For | Developer Tools | API Tools |
Rating | - | 4.2/5 |
Free plan | Yes | Yes |
Choose Fern or Kong?
Choose Fern if
Generate and publish SDKs and create stunning API documentation from your API specification.
- You want generates high-quality, language-idiomatic SDKs, saving significant development time
- You want provides a comprehensive and customizable documentation platform with advanced features
- Your work is developer tools-shaped, not API tools-shaped
Choose Kong if
Route, secure, and observe APIs with a scalable platform
- You want high performance
- You want extensible plugins
- Your work is API tools-shaped, not developer tools-shaped
| Feature | Fern | Kong |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| User Rating | No ratings yet | ★4.2/5 349 reviews |
| Categories | Developer ToolsAPI Tools | API ToolsDevOps |
In-Depth Analysis
Fern
Generate and publish SDKs and create stunning API documentation from your API specification.
Fern Docs Hobby is $0 forever: 2 members, 250 AI credits, custom domain, password-protected docs.
Watch out
Team yearly is 25% off. They do not print the yearly dollar total. Do the math at checkout.
Strengths
- +Generates high-quality, language-idiomatic SDKs, saving significant development time.
- +Provides a comprehensive and customizable documentation platform with advanced features.
- +Supports various API specification formats, offering flexibility.
- +Includes built-in features like OAuth, pagination, and retries in generated SDKs.
- +Offers enterprise solutions with dedicated support for perfecting OpenAPI specs and launching SDKs.
Weaknesses
- -No free tier available, requiring a commitment to a paid plan.
- -Swift and Rust SDK generation are listed as 'coming soon', limiting current language support.
Key features
Kong
Route, secure, and observe APIs with a scalable platform
Kong's pricing is very generous, offering a fully functional open-source 'Free' tier.
Strengths
- +High performance
- +Extensible plugins
- +Open source
Weaknesses
- -Complex setup
- -Enterprise features paid
Key features
Pricing: Fern vs Kong
| Plan | Fern | Kong |
|---|---|---|
| Tier 1 | Free Hobby | Free Free |
| Tier 2 | $150 month Team | Free Plus |
| Tier 3 | Custom Enterprise | N/A |
Pricing verified from each vendor's public pricing page. Compare in detail on Fern pricing and Kong pricing.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: Fern
Want the highest-rated option?
Kong is rated 4.2/5. Fern has no ratings yet.
Go with: Kong
Value user reviews?
Fern: no ratings yet. Kong: 349 reviews (4.2/5).
Go with: Kong
3 Questions to Help You Decide
What's your budget?
Both are freemium. Pricing won't help you decide here.
What's your use case?
Fern is a developer tools tool. Kong is in API tools. Pick the category that matches your needs.
How important are ratings?
Kong is rated 4.2/5; Fern has no ratings yet.
Key Takeaways
Kong
- Free tier available
- Our pick for this comparison
Fern
- Better fit for developer tools
The Bottom Line
Kong wins this matchup. Our overall API Tools pick is ElevenLabs. Our free API Tools pick is Steampipe.
Frequently Asked Questions
Is Fern or Kong better?
Kong is rated in our evaluation. Both are freemium.
What are Fern and Kong used for?
Fern: Generate and publish SDKs and create stunning API documentation from your API specification.. Kong: Route, secure, and observe APIs with a scalable platform.
What does Fern cost vs Kong?
Fern is freemium (free tier + paid plans). Kong is freemium (free tier + paid plans). Visit their websites for detailed pricing.