LangSmith vs. Prompt flow 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 Prompt Flow is a suite of development tools designed to streamline the end-to-end development cycle of LLM-based AI applications, from ideation, prototyping, testing, and evaluation to production deployment and monitoring. It makes prompt engineering much easier and enables you to build LLM apps with production quality. With Prompt Flow, you can create flows that link LLMs, prompts, Python code, and other tools together in an executable workflow. It allows for debugging and iteration of flows, especially tracing interactions with LLMs with ease. You can evaluate your flows, calculate quality and performance metrics with larger datasets, and integrate the testing and evaluation into your CI/CD system to ensure quality. Deployment of flows to the serving platform of your choice or integration into your app’s code base is made easy. Additionally, collaboration with your team is facilitated by leveraging the cloud version of Prompt Flow in Azure AI.
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 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
Audience Developers seeking a platform to design, build, and test their applications	Audience AI application developers searching for a tool to streamline the development and deployment of LLM-based applications
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
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Pricing No information available. Free Version Not Supported Free Trial Not Supported	Pricing No information available. Free Version Not 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 Microsoft Founded: 1975 United States microsoft.github.io/promptflow/
Alternatives Arize AI	Alternatives Maxim
Braintrust Braintrust Data	Braintrust Braintrust Data
Griptape Foundry	Respan
LangChain	Athina AI
Deep Agents LangChain View All	Klu View All
Categories AI Agent Observability Supported AI Development Supported Context Engineering Supported Debugging Supported Software Testing Supported	Categories AI Development Supported LLM Evaluation Supported

Integrations AgentForge Supported Azure Marketplace Supported Clarity by Rego Not Supported Deep Agents Supported Disco.dev Supported LangChain Supported LangGraph Supported Microsoft Azure Not Supported Noma Supported Overmind Supported Python Not Supported Reflexio Supported TierZero Supported Voker Supported ZenML Supported dcode Supported Show More Integrations View All 13 Integrations	Integrations AgentForge Not Supported Azure Marketplace Not Supported Clarity by Rego Supported Deep Agents Not Supported Disco.dev Not Supported LangChain Not Supported LangGraph Not Supported Microsoft Azure Supported Noma Not Supported Overmind Not Supported Python Supported Reflexio Not Supported TierZero Not Supported Voker Not Supported ZenML Not Supported dcode Not Supported Show More Integrations View All 3 Integrations
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