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What is LangSmith?

In software development, unforeseen results frequently arise, and having complete visibility into the entire call sequence allows developers to accurately identify the sources of errors and anomalies in real-time. By leveraging unit testing, software engineering plays a crucial role in delivering efficient solutions that are ready for production. Tailored specifically for large language model (LLM) applications, LangSmith provides similar functionalities, allowing users to swiftly create test datasets, run their applications, and assess the outcomes without leaving the platform. This tool is designed to deliver vital observability for critical applications with minimal coding requirements. LangSmith aims to empower developers by simplifying the complexities associated with LLMs, and our mission extends beyond merely providing tools; we strive to foster dependable best practices for developers. As you build and deploy LLM applications, you can rely on comprehensive usage statistics that encompass feedback collection, trace filtering, performance measurement, dataset curation, chain efficiency comparisons, AI-assisted evaluations, and adherence to industry-leading practices, all aimed at refining your development workflow. This all-encompassing strategy ensures that developers are fully prepared to tackle the challenges presented by LLM integrations while continuously improving their processes. With LangSmith, you can enhance your development experience and achieve greater success in your projects.

What is Kosmoy?

Kosmoy is the AI management platform for regulated enterprises. Models, copilots and autonomous agents now run in every business unit, on every cloud, from every vendor — and the same gaps appear everywhere: shadow AI nobody registered, governance rebuilt app by app, spend that grows unseen, agents that act faster than any reviewer, and audit evidence scattered across tickets and spreadsheets. These are not five problems. They are one missing control plane. Kosmoy is that control plane, built as four layers. Inventory: four registries — AI systems, models, MCP servers and a master agent registry that pulls agents automatically from Azure AI Foundry, AWS Bedrock, Google Vertex, Salesforce and ServiceNow — each entry with an owner and a risk tier, and anything running unregistered flagged as shadow AI. Monitoring: every call observed — cost, usage and behaviour per model, application and user, with budgets that warn and then block. Governance: one OpenAI-compatible AI Gateway enforcing guardrails, RBAC, routing and logging on every LLM, MCP and agent-to-agent call; the router sends simple prompts to smaller models, and customers regularly cut spend 90% on routable workloads. Action Control: Action Capsules — kernel-enforced sandboxes in your own Kubernetes — contain autonomous agents, MCP servers and private models with just-in-time credentials and a kill switch. The same registries and gateway logs produce audit-ready evidence for the EU AI Act, ISO/IEC 42001 and NIST AI RMF. Kosmoy is self-hosted software, not a SaaS you send prompts to: single-tenant in your own Kubernetes on Azure, AWS, GCP or on-prem, air-gap capable, model-agnostic across OpenAI, Anthropic, Google, Mistral and open-source models.

Media

Media

Integrations Supported

AgentForge
Azure Marketplace
Claude
Databricks
Disco.dev
Gemini Enterprise
Google Cloud Platform
LangChain
LangGraph
Microsoft Teams
Mistral AI
Noma
OpenAI
Pinecone
SAP Cloud Platform
Salesforce
Slack
Snowflake
Voker
ZenML

Integrations Supported

AgentForge
Azure Marketplace
Claude
Databricks
Disco.dev
Gemini Enterprise
Google Cloud Platform
LangChain
LangGraph
Microsoft Teams
Mistral AI
Noma
OpenAI
Pinecone
SAP Cloud Platform
Salesforce
Slack
Snowflake
Voker
ZenML

API Availability

Has API

API Availability

Has API

Pricing Information

Pricing not provided
Free Version
Free Trial Offered?

Pricing Information

Annual enterprise license fee
Free Version
Free Trial Offered?

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

LangChain

Company Location

United States

Company Website

www.langchain.com/langsmith

Company Facts

Organization Name

Kosmoy

Date Founded

2024

Company Location

Italy

Company Website

www.kosmoy.com

Categories and Features

Software Testing

Automated Testing
Black-Box Testing
Dynamic Testing
Issue Tracking
Manual Testing
Quality Assurance Planning
Reporting / Analytics
Static Testing
Test Case Management
Variable Testing Methods
White-Box Testing

Categories and Features

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