Artillery vs k6: 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 Artillery and k6 side by side. This page compares data; it is not a hands-on review.
On the data: On the data below the two are close or not directly comparable, so we do not name a 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:
Artillery
Load test your backend with realistic traffic patterns
Best for you if:
- • You want good load testing
k6
Load testing tool for developers
Best for you if:
- • You want developer-friendly load testing
| At a Glance | ||
|---|---|---|
Starts at | Free plan, paid from $99/mo, billed monthly Pro plan | Free plan |
Category | Testing & QA API Tools | Testing & QA API Tools |
Rating | n/a | 4.9/5 G2 4.8 · Capterra 5.0 34 reviews |
Free plan | Yes | Yes |
Watch out for | n/a | Enterprise minimum $25K/year |
Choose Artillery or k6?
Choose Artillery if
- You want good load testing
- You want YAML config
Choose k6 if
- You want developer-friendly load testing
- You want JavaScript scripts
In-Depth Analysis
Artillery
Load test your backend with realistic traffic patterns
Artillery's pricing is very generous, offering a fully functional open-source Free tier.
Strengths
- Pro: Good load testing
- Pro: YAML config
- Pro: Good for APIs
- Pro: Open source core
- Pro: Cloud option
Weaknesses
- Con: Cloud can be expensive
- Con: Learning curve
- Con: Reporting basic
- Con: Documentation gaps
- Con: Less GUI
Key features
k6
Load testing tool for developers
k6 open source is excellent for load testing.
Watch out
Enterprise minimum $25K/year
Strengths
- Pro: Developer-friendly load testing
- Pro: JavaScript scripts
- Pro: Good CLI
- Pro: Open source
- Pro: Grafana integration
Weaknesses
- Con: Learning curve
- Con: Cloud expensive
- Con: Browser testing limited
- Con: Documentation could improve
- Con: Less GUI than alternatives
Key features
Plans and prices: Artillery vs k6
| Tool | Plans and prices | Source |
|---|---|---|
| Artillery |
| artillery.io/pricing read Oct 28, 2026 |
| k6 |
| k6.io read Oct 3, 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 Artillery pricing and k6 pricing.
Key Takeaways
Artillery
- Choose if you want load test your backend with realistic traffic patterns
k6
- Choose if you want load testing tool for developers
What the data shows
On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
- Only k6 has a published user rating (4.9/5 from 34 reviews); Artillery has none we can show.
- Artillery starts at $99/mo, billed monthly; k6 has no public paid plan price on file.
- Both have 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 Artillery and k6 compare in 2026?
On the data below the two are close or not directly comparable, so we do not name a winner for this pair. Only k6 has a published user rating (4.9/5 from 34 reviews); Artillery has none we can show. Artillery starts at $99/mo, billed monthly; k6 has no public paid plan price on file. Both have a free plan.
What are Artillery and k6 used for?
Artillery: Load test your backend with realistic traffic patterns. k6: Load testing tool for developers.
What does Artillery cost vs k6?
Artillery's cheapest paid plan is Pro at $99/mo, billed monthly; it also has a free plan. k6 has no public paid-plan price on file. Prices read on the vendors' pricing pages, latest check Oct 28, 2026.
What's the main difference between Artillery and k6?
Artillery's main strength: good load testing. k6's main strength: developer-friendly load testing.