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Long Horizon

Long Horizon

Your coding agent writes the feature and runs the tests

0upvotes
Launched May 12, 2026

About Long Horizon

Long Horizon is an innovative AI-powered developer tool designed to automate the process of feature development and testing. It acts as a coding agent that not only writes new features but also executes comprehensive browser tests to ensure functionality and reliability. By generating shareable execution reports complete with logs, screenshots, and network details, Long Horizon offers developers a streamlined way to deliver high-quality features with confidence. Its ability to simulate real-world browser interactions makes it particularly valuable for frontend engineers, QA teams, and DevOps professionals seeking to accelerate testing cycles without sacrificing accuracy. The tool’s integration of AI for code generation and testing reduces manual effort, minimizes human error, and shortens release timelines, all while maintaining transparency through detailed reporting. Overall, Long Horizon stands out for combining AI-driven code creation with robust testing infrastructure, making it a compelling addition to modern development workflows.

Screenshots

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Pros

  • Automates feature coding and testing, saving development time
  • Provides detailed, shareable execution reports including logs, screenshots, and network info
  • Simulates real browser environments for accurate testing outcomes
  • Reduces manual effort and potential human errors
  • Supports confident feature delivery with comprehensive testing insights

Cons

  • Limited information on pricing and deployment options
  • Might have a learning curve for teams unfamiliar with AI-driven tools
  • Dependence on AI accuracy could affect complex or highly customized features

Use Cases

1Automated frontend feature development and testing
2Continuous integration workflows for web applications
3QA automation for browser-based applications
4Rapid prototyping and validation of new features
5Regression testing to catch issues after updates
6Sharing detailed test reports with stakeholders

Pricing

Likely follows a freemium or subscription-based model, with basic features available for free and premium plans offering additional capabilities, integrations, or higher usage limits. Exact pricing details are not publicly specified.

Quick Info

Upvotes0
Comments1
Launched5/12/2026

Topics

Software EngineeringDeveloper ToolsArtificial Intelligence

Alternatives

Selenium
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Playwright

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