Your Engineering-Grade Testing Platform for AI Prompts
Stop shipping broken prompts. Test systematically across models, catch regressions before production, and collaborate with your team in a shared workspace.
Compatible with leading AI providers
Our Growing Impact
Real metrics from our community of prompt engineers building with confidence
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Total Prompts Tested
Engineers are actively validating their AI prompts to ensure quality
0+
Test Runs Completed
Comprehensive testing across models, catching issues before they reach users
0X
Faster Iteration Cycles
Teams ship prompt improvements 5x faster with systematic testing in place
The Hidden Cost of Untested Prompts
Problems
What teams struggle with today
Prompts break in production
Your carefully crafted prompts work perfectly in development, then fail silently when models update or context changes.
No visibility into changes
Someone tweaks a prompt to fix one issue and breaks three others. You find out when users complain.
Manual testing wastes hours
Copy-pasting prompts between playground interfaces. Spreadsheets full of test cases. Time you could spend building.
The Real Cost
Impact on your team and business
Lost trust in prompt reliability
Without systematic validation, you can't confidently rely on your prompts. Every change is a leap of faith.
Wasted time investigating failures
When prompts behave unexpectedly, teams spend hours tracking down what changed and why it matters.
Engineering talent on manual tasks
Your skilled developers are stuck copy-pasting between interfaces instead of building innovative features.
Our Solutions
How we solve these challenges
Build confidence through testing
Compare outputs against baselines to understand exactly how your prompts behave across changes and models.
Parallel development workflows
Track multiple prompt versions simultaneously. Experiment with alternatives and compare results side-by-side.
Systematic test automation
Define once, test everywhere. Parameterized tests with comprehensive input variations and automated test execution.
Explore Our Core Features
Click on any feature to learn more, or watch as we showcase each capability
Regression Testing
Never break production prompts again
Protect your AI features from unexpected failures with automated regression testing. Set baselines from working prompts, run continuous tests against modifications, and get instant alerts when changes impact behavior. Compare outputs systematically to track changes and ensure consistency.
Multi-Model Validation
Test once, validate everywhere
Run the same tests across multiple AI models simultaneously. Compare quality, performance, and costs across OpenAI, Anthropic, Google, and Grok. Make data-driven decisions about which model best fits your use case and budget.
Version Control
Track and manage prompt iterations
Professional version management designed specifically for prompt engineering. Track every change with sequential and alternative version paths, experiment with variations, and never lose a working prompt. Complete audit trail for tracking your iterative improvements.
Performance Analytics
Data-driven prompt optimization
Deep insights into prompt performance with detailed metrics and visualization tools. Track success rates, response quality, consistency scores, and costs. Monitor trends and patterns to improve your prompts continuously.
How It Works
Four simple steps to transform your prompt engineering workflow
Create & Version Your Prompts
Start by creating your prompts and organizing them into projects. Each modification creates a new version, maintaining a complete history.
Define Test Inputs
Set up comprehensive test cases with various inputs that represent real-world scenarios your prompts will encounter.
Run Automated Tests
Execute your test suite across different prompt versions and AI models. Get consistent, reproducible results every time.
Analyze & Iterate
Review detailed comparisons, identify improvements, and refine your prompts based on data-driven insights.
Built for Every Team
Whether you're testing, optimizing, or managing AI prompts, Prompting Workbench adapts to your workflow
QA Engineers
Ensure prompt consistency across updates and catch regressions before they reach production.
KEY BENEFITS
Automated regression testing
Version comparison tools
Test suite management
Performance tracking
Finally, a way to apply software testing principles to AI prompts!
Prompt Engineers
Systematically optimize prompts with data-driven insights and comprehensive testing.
KEY BENEFITS
A/B testing capabilities
Model comparison
Performance analytics
Version control
Transform prompt engineering from art to science with measurable results.
Product Managers
Track AI performance metrics and ensure product quality meets business requirements.
KEY BENEFITS
Executive dashboards
Quality metrics
Cost analysis
Compliance tracking
Get visibility into AI performance and make informed product decisions.
Measurable Impact
Join teams who have transformed their prompt engineering workflow with data-driven testing
90%
Edge Cases Caught
Before reaching production
5x
Faster Testing Cycles
Automated vs manual testing
30+
Hours Saved Monthly
Per prompt engineer
85%
Fewer Regressions
Through systematic testing
Trusted by Engineering Teams Worldwide
From startups to enterprises, teams rely on Prompting Workbench to ensure their AI prompts deliver consistent, reliable results in production.
Ready to Transform Your Prompt Engineering?
Start testing your prompts with confidence. No credit card required.
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