LangSmith
Platform for AI agents
No-code agent building
Agent observability
Freemium available
The platform for agent engineering
Last updated: Apr 15, 2026
FREEMIUM
smith.langchain.com
Quick Answer
LangSmith is an AI agent engineering platform that helps users observe, evaluate, and deploy their AI agents. It features no-code agent building and offers data residency choices for US and EU. Best for developers and teams working with AI agents who need robust monitoring and evaluation tools. Freemium plan available.
About LangSmith
LangSmith is a platform designed for engineering AI agents, enabling users to observe, evaluate, and deploy their agents. It supports building agents without requiring code and offers data residency options for US and EU regions. Freemium plans are available.
What Makes It Unique
It allows users to build AI agents without writing code, simplifying the development and deployment process for complex AI systems.
Use Cases & Target Users
Best For
Developing AI agents efficiently
Monitoring AI agent performance
Evaluating AI agent reliability
Deploying AI agents at scale
Building AI agents for non-technical users
Company Size
SMALL
MEDIUM
ENTERPRISE
Fit Score
Complexity
INTERMEDIATE
Target Team Size
SMALL_TEAM
LARGE_TEAM
Target Skill Level
BEGINNER
INTERMEDIATE
Key Features
Observe AI agent behavior
Evaluate AI agent performance
Deploy AI agents to production
Build AI agents without code
Data residency selection (US Central, EU West)
Authentication via Google, GitHub, Discord, or email
Technical Specifications
API Available
SDK Available
MCP Compatible
Open Source
Team Features
SSO/Enterprise
Webhook Support
Has Demo
Deployment:
CLOUD
Pros
- +Enables no-code AI agent development
- +Provides tools for comprehensive agent observation
- +Offers robust agent evaluation capabilities
- +Supports deployment of AI agents
- +Allows choice of data region for compliance
Limitations
- -Limited information on specific pricing tiers and features
- -Lack of explicit details on integrations beyond authentication
- -No clear mention of advanced team collaboration features
- -Website content is minimal, lacking in-depth feature descriptions
- -No explicit free trial for paid features mentioned
Decision Intelligence
Best For
Developing AI agents efficiently
Monitoring AI agent performance
Evaluating AI agent reliability
Deploying AI agents at scale
Building AI agents for non-technical users
Not Ideal For
General content generation tasks not related to agents
Simple AI model inference without agentic behavior
Users seeking a standalone LLM interface
Deep learning model training from scratch
Project management for non-AI related tasks
Frequently Asked Questions
Your Actions
Dimension Scores
Ease of Use7/10
Output Quality7/10
Value for Money6/10
Customization5/10
Support5/10
Integration6/10
Task Scores
Data Visualization
3
Dashboard Creation
3
Data Integration
3
Collaboration Sharing
3
Natural Language Queries
2
Data Cleaning
2
Automated Insights
2
Report Generation
2
Trust Score
60/100
Fair
Based on 7 verified signals
Trust Signals
Verified CompanyLangChain
User Base10K-100K
Funding$260M
Team Size201-500
Uptime SLAEnterprise plans include SLA-backed uptime guarantees.
Status PageView
Data ResidencyUS, EU
Switching & Migration
Migration Difficulty
Moderate Effort
Data portable as:
CSV
JSONL
OPENAI'S FINE-TUNING FORMAT
PARQUET
Email-based support is available for the Plus plan. Dedicated Slack support and a customer success manager are provided for Enterprise plans.
Quick Stats
CategoryAI Development
PlatformsWEB, API
Integrations3+
Views1
LaunchedFeb 2024
Setup TimeMinutes
AddedMar 2026