Free load testing software. AI configures your tests.

WPLoadTester 7 is free and permanent on one Windows or macOS computer: generate as much load as your own machine can sustain, no time bomb, no credit card, with the AI Assistant running on your own Anthropic, OpenAI, or Bedrock key. A flat license adds cloud load generation in your own AWS or Azure account and AI-written bottleneck reports, billed straight to you with no per-VU-hour and no SaaS markup.

✓ Free, no signup or credit card

✓ Flat license, no per-VU-hour

✓ Bring your own AI + cloud

Download WPLoadTester 7.0 See the AI in action

WPLoadTester 7 AI Assistant identifying an OAuth2/OIDC + PKCE pattern in a pre-configured stock trading test case

AI configures complex test cases

PKCE, OAuth2, session state: recognized and wired up automatically

WPLoadTester 7 Load Test Analytics Report tab with AI-written narrative analysis of performance degradation by page

AI-written performance reports

Plain-English narrative with Critical / Warning status based on real numbers

WPLoadTester 7 Load Test Analytics Analysis tab showing slowest transactions chart with AI commentary identifying a sudden cliff at 252 users

Bottlenecks, not just numbers

The AI finds the inflection point and explains the root cause

What makes WPLoadTester 7 different

WPLoadTester 7 AI Assistant identifying an OAuth2/OIDC + PKCE authentication pattern in a pre-configured stock trading test case. Six pages configured, all returning 200 status codes.

New in 7.0

AI configures your tests

Paste a URL. WPLoadTester 7's AI figures out the auth flow (PKCE, OAuth, form login), writes the test, and runs it. What used to take days of variable-correlation work now takes hours.

Use your own AI accounts: no SaaS markup
Complicated workflows are configured in hours, not days
Tricky variable correlation, session state, tokens, all handled for you

See how it works Download WPLoadTester

New in 7.0

AI writes the performance report

Built on 27 years of professional performance-engineering methodology, the AI produces the same analysis a senior performance engineer would. In minutes, not days. It pinpoints bottlenecks, ranks them by severity, and explains the root cause in plain English.

Professional report distilled from 27 years of performance-engineering practice
Identifies the inflection point where performance breaks
Critical / Warning severity based on real numbers, not guesses
Root-cause hypotheses and recommended next steps

See the diagnostic playbook →

How AI works Download WPLoadTester

Your AWS bill

5,000 VU × 2 hours

SaaS
margin

~$1,500

SaaS

~$2

EC2

10 m5.large × 2 hr × $0.096/hr = $1.92

Plus a flat license, no per-VU-hour markup

Your AWS

Runs in your AWS account

Load engines spin up inside your VPC, fully orchestrated end-to-end. As easy as SaaS, without the SaaS markup. Test traffic never leaves your cloud boundary and EC2 costs flow directly to your account.

Flat license, no per-VU-hour markup, no SaaS compute premium
One button load generation: Installs and configures every load generator automatically
Distributes per-user datasets (logins, search terms, etc.) across engines
Load-balances virtual users by each engine's real capacity, so generators don't distort their own measurements
Terminates instances when the test ends, so you pay only for the minutes you ran

Calculate your savings See Pricing

Your keys, your boundary

Anthropic

OpenAI

AWS Bedrock

No new vendor review · no AI markup

Your Keys

Bring your own AI

WPLoadTester 7 uses your Anthropic, OpenAI, or AWS Bedrock key. Your enterprise contract already covers it. Your security team already approved it. Your data stays within your boundary.

Anthropic, OpenAI, AWS Bedrock (all models)
No new vendor security review
No markup on AI tokens

Why BYO-AI matters Download WPLoadTester

Plus everything else you need

Mobile, APIs, CI/CD, and the reporting depth you'd expect from 27 years of load testing experience.

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No SaaS markup

Flat license, EC2 at cost. At 100k VU × 4 hours, per-VU-hour SaaS runs ~$60,000. WPLoadTester runs license plus $77 of EC2. See the math

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Your AI, your data, your boundary

Use your Anthropic, OpenAI, or AWS Bedrock key. Your vendor contract, your approvals, your data path. Nothing new for security to review. Learn more

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CI/CD ready

Command-line runner with JUnit output and pass/fail thresholds. Drop into GitHub Actions, Jenkins, or your pipeline of choice. See examples

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Mobile & API testing

Native mobile apps, responsive web, REST APIs, GraphQL, microservices. The full protocol surface, without writing a scripting language.