Kong vs Stoplight: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Kong and Stoplight side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, Stoplight leads on higher user rating and a free plan. We do not name an overall winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Kong
Route, secure, and observe APIs with a scalable platform
Best for you if:
- • You want high performance
Stoplight
Visually design, manage, and publish OpenAPI specs
Best for you if:
- • You want a free tier before you commit
| At a Glance | Kong | Stoplight |
|---|---|---|
Starts at | Not published | Free plan, paid from $56/mo Basic plan |
Category | API Tools DevOps | API Tools Documentation |
Rating | 4.2/5 G2 4.4 · Trustpilot 3.4 349 reviews | 4.4/5 G2 4.4 342 reviews |
Free plan | No | Yes |
Choose Kong or Stoplight?
Choose Kong if
- You want high performance
- You want extensible plugins
Choose Stoplight if
- You want a free tier before you commit
- You want visual API design
- You want auto documentation
In-Depth Analysis
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
- Pro: High performance
- Pro: Extensible plugins
- Pro: Open source
Weaknesses
- Con: Complex setup
- Con: Enterprise features paid
Key features
Stoplight
Visually design, manage, and publish OpenAPI specs
Stoplight's pricing is generally fair, with a generous free tier for individuals.
Strengths
- Pro: Visual API design
- Pro: Auto documentation
- Pro: Mock servers
Weaknesses
- Con: Learning curve
Key features
Plans and prices: Kong vs Stoplight
| Tool | Plans and prices | Source |
|---|---|---|
| Kong |
| konghq.com/pricing read Nov 2, 2026 |
| Stoplight |
| stoplight.io/pricing read Nov 1, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Kong pricing and Stoplight pricing.
Key Takeaways
Kong
- Choose if you want route, secure, and observe APIs with a scalable platform
Stoplight
- Higher user rating: 4.4/5 vs 4.2/5
- Has a free plan
What the data shows
On the data below, Stoplight leads on higher user rating and a free plan. We do not name an overall winner for this pair.
- Stoplight has the higher user rating (4.2/5 from 349 reviews for Kong, 4.4/5 from 342 reviews for Stoplight).
- Stoplight starts at $56/mo; Kong has no public paid plan price on file.
- Only Stoplight has a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Kong and Stoplight compare in 2026?
On the data below, Stoplight leads on higher user rating and a free plan. We do not name an overall winner for this pair. Stoplight has the higher user rating (4.2/5 from 349 reviews for Kong, 4.4/5 from 342 reviews for Stoplight). Stoplight starts at $56/mo; Kong has no public paid plan price on file. Only Stoplight has a free plan.
What are Kong and Stoplight used for?
Kong: Route, secure, and observe APIs with a scalable platform. Stoplight: Visually design, manage, and publish OpenAPI specs.
What does Kong cost vs Stoplight?
Kong has no public paid-plan price on file. Stoplight's cheapest paid plan is Basic at $56/mo; it also has a free plan. Prices read on the vendors' pricing pages, latest check Nov 2, 2026.
What's the main difference between Kong and Stoplight?
Kong's main strength: high performance. Stoplight's main strength: visual API design.