Chainlit vs. LangSmith Comparison


Chainlit	LangSmith LangChain	+	+
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About Chainlit is an open-source Python package designed to expedite the development of production-ready conversational AI applications. With Chainlit, developers can build and deploy chat-based interfaces in minutes, not weeks. The platform offers seamless integration with popular AI tools and frameworks, including OpenAI, LangChain, and LlamaIndex, allowing for versatile application development. Key features of Chainlit include multimodal capabilities, enabling the processing of images, PDFs, and other media types to enhance productivity. It also provides robust authentication options, supporting integration with providers like Okta, Azure AD, and Google. The Prompt Playground feature allows developers to iterate on prompts in context, adjusting templates, variables, and LLM settings for optimal results. For observability, Chainlit offers real-time visualization of prompts, completions, and usage metrics, ensuring efficient and trustworthy LLM operations.	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.
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 AI researchers and developers requiring a solution to build and deploy conversational AI applications with seamless integration capabilities	Audience Developers seeking a platform to design, build, and test their 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
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 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 Chainlit United States chainlit.io	Company Information LangChain United States www.langchain.com/langsmith
Alternatives Gradio	Alternatives Arize AI
Literal AI	Braintrust Braintrust Data
Lunary	Griptape Foundry
Netra	LangChain
NVIDIA NeMo Guardrails NVIDIA View All	Deep Agents LangChain View All
Categories AI Development Supported Conversational AI Supported	Categories AI Agent Observability Supported AI Development Supported Context Engineering Supported Debugging Supported Software Testing Supported

Integrations LangChain Supported Active Directory Supported AgentForge Not Supported Azure Marketplace Not Supported ChatGPT Supported Claude Supported Disco.dev Not Supported Google Cloud Platform Supported Hugging Face Supported LangGraph Not Supported LlamaIndex Supported Noma Not Supported Okta Supported OpenAI Supported Overmind Not Supported Prism Not Supported TierZero Not Supported Voker Not Supported ZenML Not Supported dcode Not Supported Show More Integrations View All 9 Integrations	Integrations LangChain Supported Active Directory Not Supported AgentForge Supported Azure Marketplace Supported ChatGPT Not Supported Claude Not Supported Disco.dev Supported Google Cloud Platform Not Supported Hugging Face Not Supported LangGraph Supported LlamaIndex Not Supported Noma Supported Okta Not Supported OpenAI Not Supported Overmind Supported Prism Supported TierZero Supported Voker Supported ZenML Supported dcode Supported Show More Integrations View All 14 Integrations
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