LangSmith vs. Xdebug Comparison


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About Unexpected results happen all the time. With full visibility into the entire chain sequence of calls, you can spot the source of errors and surprises in real time with surgical precision. Software engineering relies on unit testing to build performant, production-ready applications. LangSmith provides that same functionality for LLM applications. Spin up test datasets, run your applications over them, and inspect results without having to leave LangSmith. LangSmith enables mission-critical observability with only a few lines of code. LangSmith is designed to help developers harness the power–and wrangle the complexity–of LLMs. We’re not only building tools. We’re establishing best practices you can rely on. Build and deploy LLM applications with confidence. Application-level usage stats. Feedback collection. Filter traces, cost and performance measurement. Dataset curation, compare chain performance, AI-assisted evaluation, and embrace best practices.	About Xdebug is an extension for PHP, and provides a range of features to improve the PHP development experience. A way to step through your code in your IDE or editor while the script is executing. An improved var_dump() function, stack traces for notices, warnings, errors, and exceptions to highlight the code path to the error. Writes every function call, with arguments and invocation location to disk. Optionally also includes every variable assignment and return value for each function. Allows you, with the help of visualization tools, to analyze the performance of your PHP application and find bottlenecks. Shows which parts of your code base are executed when running unit tests with PHPUnit. Installing Xdebug with a package manager is often the fastest way. You can substitute the PHP version with the one that matches the PHP version that you are running. You can install Xdebug through PECL on Linux & macOS with Homebrew.
Platforms Supported Windows Not Supported Mac Not Supported Linux Not Supported Cloud Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported	Platforms Supported Windows Supported Mac Supported Linux Supported Cloud Not Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported
Audience Developers seeking a platform to design, build, and test their applications	Audience Professional developers requiring a tool to improve the PHP development experience
Support Phone Support Not Supported 24/7 Live Support Not Supported Online Supported	Support Phone Support Not Supported 24/7 Live Support Not Supported Online Supported
API Offers API Not Supported	API Offers API Not Supported
Screenshots and Videos View more images or videos	Screenshots and Videos View more images or videos
Pricing No information available. Free Version Not Supported Free Trial Not Supported	Pricing Free Free Version Supported Free Trial Not Supported
Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software	Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software

Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported	Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported
Company Information LangChain United States www.langchain.com/langsmith	Company Information Xdebug Founded: 2002 United States xdebug.org
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LangChain	Coverlet
Deep Agents LangChain View All	Inspector Inspector.dev View All
Categories AI Agent Observability Supported AI Development Supported Context Engineering Supported Debugging Supported Software Testing Supported	Categories Code Coverage Supported Debugging Supported

Integrations Azure Marketplace Supported Codecov Not Supported Deep Agents Supported Disco.dev Supported Gzip Not Supported Homebrew Not Supported LangChain Supported LangGraph Supported Noma Supported Overmind Supported PCOV Not Supported PHP Not Supported PHPUnit Not Supported Prism Supported Reflexio Supported TierZero Supported Voker Supported ZenML Supported dcode Supported evalship Supported Show More Integrations View All 15 Integrations	Integrations Azure Marketplace Not Supported Codecov Supported Deep Agents Not Supported Disco.dev Not Supported Gzip Supported Homebrew Supported LangChain Not Supported LangGraph Not Supported Noma Not Supported Overmind Not Supported PCOV Supported PHP Supported PHPUnit Supported Prism Not Supported Reflexio Not Supported TierZero Not Supported Voker Not Supported ZenML Not Supported dcode Not Supported evalship Not Supported Show More Integrations View All 7 Integrations
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