Keploy
Builds digital twins of production behavior for AI and human-written changes verification in CI.
- Freemium· from $24/month
- API Available
- Open Source
What is Keploy?
Keploy is a Test Generation tool that builds digital twins of production behavior for AI and human-written changes verification in CI. Keploy is freemium: it has a free plan, and paid plans start at $24/month. It is available on Windows, macOS, Linux and Chrome. It is aimed at developers and testers.
Keploy builds a digital twin of your production behavior using real API traffic, mocks, and dependencies. It verifies every AI- or human-written change in CI before deployment. Open source with zero code changes required.
Built for developers and testers.
Key capabilities
Features
Automatic Test Case Generation
Generates test cases from real user traffic.
Production-like Sandbox Environments
Creates sandbox environments from captured traffic.
AI-powered Dependency Virtualization
Uses AI to virtualize and generate mocks for dependencies.
Record and Replay Testing
Enables testing with eBPF kernel capture for recording and replaying.
AI Noise Detection
Detects AI noise to eliminate flaky tests.
Legacy Application Testing
Tests legacy applications without code changes.
Migration Regression Testing
Performs regression testing against production baselines during migrations.
Continuous Validation in CI/CD
Infrastructure Mocking
Mocks infrastructure components like databases.
API and Message Queue Support
Multi-language Support
Cloud-Native Architecture Support
Supports Kubernetes and cloud-native architectures.
Use cases
- Generate test cases from real user traffic
- Create production-like sandbox environments for testing
- Detect AI noise to eliminate flaky tests
- Test legacy applications without code changes
- Perform migration regression testing against production baselines
- Implement continuous validation in CI/CD pipelines
Who it's for
- Developers
- Testers
Pros & cons
Pros
- Open source with zero code changes required
- Public API available
- Free plan available
Cons
No documented limitations yet.
Pricing
Freemium — paid plans start at $24/month.
| Plan | Price |
|---|---|
| Playground | Free |
| Pro | $24 / month |
Developer & API
Public REST API available
Open source· Apache-2.0· 18.5K stars· 2.4K forks
Security & compliance
- SOC 2
- ISO 27001
- SSO
- Data deletion
As stated on Keploy's website — not independently verified by AiByts.
FAQ
What is Keploy?
Keploy is a Test Generation tool that builds digital twins of production behavior for AI and human-written changes verification in CI. Keploy builds a digital twin of your production behavior using real API traffic, mocks, and dependencies. It verifies every AI- or human-written change in CI before deployment. Open source with zero code changes required.
Is Keploy free?
Keploy has a free plan; advanced features require a paid plan.
How much does Keploy cost?
Keploy offers 2 plans: Playground (Free) and Pro ($24 / month).
Does Keploy have an API?
Yes, Keploy offers a public REST API for building custom integrations.
What platforms does Keploy support?
Keploy is available on Windows, macOS, Linux and Chrome.
Who should use Keploy?
Keploy is built for developers and testers. Common uses: generate test cases from real user traffic, create production-like sandbox environments for testing, detect AI noise to eliminate flaky tests and test legacy applications without code changes.
Is Keploy open source?
Yes, Keploy is open source under the Apache-2.0 license.
What are the best alternatives to Keploy?
Similar tools on AiByts include Tabnine, CoTester, Qodex, Codeflash and Checksum AI.
Details are compiled from Keploy's website and public sources, last verified Oct 3, 2026. Features and pricing change — confirm on the official site before you buy.
Try Keploy
Freemium · from $24/month
Tags
- AI Test Generator
- AI Test Automation
- AI Test Coverage
Comments
Sign in to join the discussion.