LangSmith vs. Reflexio 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 Reflexio is an AI-agent learning platform for developers building and operating agents. It ingests agent interactions, execution traces, tool calls, and user corrections through an SDK, REST API, CLI, or supported tracing-platform connections, then extracts recurring failures into reusable playbooks and user profiles. At runtime, an agent can retrieve relevant learned guidance before responding. The Hosted Enterprise portal lets teams inspect, edit, approve, reject, search, and evaluate learnings. Reflexio helps agents apply corrections across interactions without changing model weights. Teams can use the managed cloud service, configure their own model-provider keys, or self-host in AWS, Google Cloud, or Azure. Enterprise trace imports are available from Braintrust, Langfuse Cloud, and LangSmith Cloud; Reflexio also provides a mem0 wrapper and an OpenClaw integration.
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 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 Developers and engineering teams building and operating AI agents.
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 Supported
Screenshots and Videos View more images or videos	Screenshots and Videos No images available
Pricing No information available. Free Version Not Supported Free Trial Not Supported	Pricing $0/month The Free plan costs $0/month and includes 100 published interactions and 1,000 search requests per month, plus a 30-day Pro trial. Pro costs $299/month and includes 10,000 published interactions and 100,000 search requests per month. Pro overages cost $0.003 per search request, $0.02 per playbook learning, and $0.01 per profile learning. BYOC self-hosting is custom-priced. 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 Supported In Person Not Supported
Company Information LangChain United States www.langchain.com/langsmith	Company Information Reflexio Founded: 2006 United States www.reflexio.ai
Alternatives Arize AI	Alternatives Overmind
Braintrust Braintrust Data	LangChain
Griptape Foundry	Molted Molted.net
LangChain	Deep Agents LangChain
Deep Agents LangChain View All	Mistral AI Studio Mistral AI View All
Categories AI Agent Observability Supported AI Development Supported Context Engineering Supported Debugging Supported Software Testing Supported	Categories AI Agent Infrastructure Supported

Integrations Anthropic Not Supported Azure Marketplace Supported Azure OpenAI Service Not Supported Braintrust Not Supported Codex CLI Not Supported Cursor Not Supported Deep Agents Supported DeepSeek Not Supported Disco.dev Supported Gemini Not Supported LangChain Supported LangGraph Supported Langfuse Not Supported Mem0 Not Supported MiniMax Not Supported Noma Supported OpenClaw Not Supported Reflexio Supported TierZero Supported ZenML Supported Show More Integrations View All 13 Integrations	Integrations Anthropic Supported Azure Marketplace Not Supported Azure OpenAI Service Supported Braintrust Supported Codex CLI Supported Cursor Supported Deep Agents Not Supported DeepSeek Supported Disco.dev Not Supported Gemini Supported LangChain Not Supported LangGraph Not Supported Langfuse Supported Mem0 Supported MiniMax Supported Noma Not Supported OpenClaw Supported Reflexio Not Supported TierZero Not Supported ZenML Not Supported Show More Integrations View All 15 Integrations
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