v1.0 — Delta-Driven Testing

Don't run all tests.
Run the right ones.

Deltatest maps your code coverage in the cloud to intelligently select and run only the tests affected by your changes. 10x faster test runs, 0x configuration headache.

Get Started Free View Documentation
bash — deltatest
$ deltatest run
🔍 Deltatest: Analyzing 3 changed files...
☁️ Cloud: Mapping intersection complete (12ms)
🧪 Running 4/452 affected tests...
✅ All affected tests passed.
Deltatest Code Coverage Intelligence

Built for High-Velocity Teams

Stop waiting for CI. Start shipping with confidence.

Intelligent Selection

Intelligent Selection

Our RangeSet algorithm finds the exact intersection between your git changes and historical coverage data.

Cloud Mapping

Cloud Mapping

Mappings are stored and computed in the cloud. No heavy local databases or Git LFS required.

Instant Feedback

Instant Feedback

Reduce local test execution time from minutes to seconds. Your developers will thank you.

Simple, Predictable Pricing

Choose the plan that fits your engineering velocity. No hidden fees.

Monthly
Annual Save 17%

Community Free

Perfect for solo developers and open-source projects.

$0/mo
Free Forever
  • 500 mapped tests
  • 1 repository
  • 1 team member
  • 200 queries / mo
  • 50 pushes / mo
  • Priority Cloud Runner
  • Dedicated Support
Get Started Free
Most Popular

Developer Pro

For fast-moving startups and professional developers.

$29/mo
Billed monthly
  • 10,000 mapped tests
  • 5 repositories
  • 3 team members
  • 5,000 queries / mo
  • 500 pushes / mo
  • Priority Cloud Runner
  • Dedicated Support
Start Pro Trial

Engineering Team

For growing engineering teams scaling their CI/CD pipelines.

$79/mo
Billed monthly
  • 100,000 mapped tests
  • 25 repositories
  • 15 team members
  • 50,000 queries / mo
  • 5,000 pushes / mo
  • Priority Cloud Runner
  • Dedicated Support
Start Team Trial

Enterprise

Custom limits, dedicated infrastructure, and enterprise SLAs.

Custom
Annual billing
  • Unlimited mapped tests
  • Unlimited repositories
  • Unlimited team members
  • Unlimited queries & pushes
  • Dedicated Cloud Runner
  • 24/7 Dedicated Support & SLA
  • Custom SAML / SSO
Contact Sales

Quick Start in 60 Seconds

  • 1
    Install CLI pip install deltatest-cli
  • 2
    Login & Track deltatest login
    deltatest track --name my-app
  • 3
    Build & Push Mapping deltatest build-mapping
    deltatest push
  • 4
    Run Affected Tests deltatest run

    Intelligently runs only the tests affected by your code changes.

# Example query result from API
{
  "affected_tests": [
    "test_auth.py::test_login",
    "test_auth.py::test_logout"
  ],
  "stats": {
    "query_ms": 12,
    "coverage_pct": 84.5
  }
}