vioscaleAI
Load TestingUnclaimed

wrk

A command-line HTTP load testing utility

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Also known as
wrk

Available in: US, EU, AU · Popular in: US

What is wrk?

A lightweight benchmarking tool that generates high-volume network traffic to measure HTTP server performance, using multithreaded design and efficient event notification mechanisms

Independently observed

wrk pricing

Plans, per-tier features and add-ons, dated and linked to live pricing. Pricing changes often; always verify at source before you rely on it.

Pricing as of verify at live pricing ↗Independently observed
from $4/user/moHybridFree tier30-day trial

Free tier available. Pro starts at $4/user/month. Enterprise Cloud and add-ons available on contact.

Free

Free
Free

Public repositories with basic features

ci_cd_minutes
2000/mo
  • Public repositories
  • 2000 CI/CD minutes/month
  • Community support
  • Dependabot security updates

Pro

$4/user/mo
min 1 seats

Private repositories and advanced features

ci_cd_minutes
3000/mo
  • Private repositories
  • 3000 CI/CD minutes/month
  • Web-based support

Team

$4/user/mo

Collaboration features for small teams

ci_cd_minutes
3000/mo
  • Team collaboration
  • 3000 CI/CD minutes/month
  • Advanced project management

Enterprise Cloud

Contact sales
Contact sales

Multi-organization management, SSO, audit logs, SLA support

ci_cd_minutes
50000/mo
  • 50000 CI/CD minutes/month
  • SAML SSO
  • Audit log API
  • Enterprise account with multi-org management
  • SOC2 Type II compliance
  • Premium support with 30-min SLA on urgent tickets
  • 24/7 web and phone support
  • Customer Reliability Engineer option

Add-ons

  • GitHub Copilot$10/mo
  • Copilot Pro$20/mo
  • Codespaces$0.18 per core-hour + $0.07 per GB
  • Advanced Security
  • Code Quality$10/committer/mo

What wrk does

The capabilities that matter for load testing, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.

Capabilities
Browser based load
✓
Ci cd native
✓
Apm observability output
-
Correlation parameterization
-
Recording scriptless creation
-
Realtime dashboard
-
Open source
✓
Independently observed

Platform & deployment

Independently observed
Platforms
  • CLI
Deployment
  • Self-hosted

Integrations (18)

Independently observed
ci_cd
  • CircleCI⇄
  • Azure Pipelines⇄
  • Codemagic CI/CD⇄
  • Render→
devops
  • Mergify⇄
project_management
  • Zenhub⇄
  • Zube⇄
  • Linear Code⇄
monitoring
  • Rollbar←
code_quality
  • Codacy←
  • CodeFactor←
  • DeepScan←
  • PullRequest←
security
  • GuardRails←
metrics
  • WakaTime←
localization
  • POEditor⇄
backup
  • Qlty Cloud←
development
  • OpenCode←

Security & compliance

Independently observed
  • SOC 2 Type II · Type IIactive

Known vulnerabilities: 0 (0 in the last 12 months) sourcea count reflects scale & disclosure, not quality

wrk FAQ

Common questions about wrk, answered from independent, dated evidence.

What is wrk?

An open-source HTTP load testing utility designed to generate significant network traffic from a single multi-core machine. It uses multithreaded design with scalable event notification systems and supports custom scripting via LuaJIT for request generation and response processing. It is indexed under Load Testing.

Source: https://github.com/pricing

Is wrk free to use?

wrk is open source, so it can be self-hosted and used at no licence cost. Pricing changes often, so verify at source before relying on it.

Source: https://github.com/pricing

What platforms does wrk support?

wrk supports macOS, Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.

Source: https://github.com/pricing

Can wrk be self-hosted?

Yes. wrk can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.

Source: https://github.com/pricing

wrk alternatives

Other load testing we track, ranked by the same independent score.

All wrk alternatives, ranked →

Compare wrk

Side by side against other load testing, attribute by attribute, with a source on every value.

Independent · unbought · dated

The vioscaleAI score: one lens on the evidence

Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for wrk, not the verdict.

Balanced composite 41 / 100
low · 31%
Signal contributions to the composite score
SignalScoreWeightContributionEvidence
Capabilities580.084.8✓
Security posture400.093.5✓
Stars870.032.9✓
Dependent projects320.082.5✓
Integrations370.051.9✓
Development activity00.120.0✓
Release cadence00.070.0-
Package downloads00.170.0-
Security score00.050.0-
Developer Q&A activity00.080.0-

Computed . Re-weight it by intent, or see the full method.

All data & sourcesshow ↓

Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.

Activity

AttributeValueEvidence
Commits last 30d0mediumsource · 2026-10-15 · 65%

Adoption

AttributeValueEvidence
Github stars40,416highsource · 2026-10-15 · 90%
Dependent repos77highsource · 2026-10-15 · 85%

Content

AttributeValueEvidence
Faq4 itemsmediumsource · 2026-09-10 · 60%

Features

AttributeValueEvidence
CapabilitiesOpen source, Ci cd native, Browser based loadmediumsource · 2026-10-15 · 60%

Integrations

AttributeValueEvidence
Count18mediumsource · 2026-09-14 · 60%

Language

AttributeValueEvidence
PrimaryChighsource · 2026-10-15 · 90%

Market

AttributeValueEvidence
AvailabilityPrimaryMarkets: … · AvailabilityScope: regional · AvailableCountries: … · NotAvailableCountries: …highsource · 2026-09-14 · 75%

Pricing

AttributeValueEvidence
Free tierYesmediumsource · 2026-09-14 · 60%
Price levelfreemediumsource · 2026-10-15 · 60%
Modelopen_sourcemediumsource · 2026-10-15 · 60%
Starting priceAmount: 4 · Currency: USDmediumsource · 2026-09-14 · 60%
TransparentYesmediumsource · 2026-09-14 · 60%

Security

AttributeValueEvidence
VulnerabilitiesCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=homebrew&package_name=wrk&per_page=100 · Last 12m: 0highsource · 2026-10-15 · 90%
Trust centerhttps://github.com/securitymediumsource · 2026-10-15 · 60%
CertificationsSOC 2 Type IImediumsource · 2026-09-14 · 60%
Soc2Yeshighsource · 2026-09-14 · 75%
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Last updated . Canonical URI: https://www.vioscale.ai/software/wrk.