LangSmith
AI Agent & LLM Observability Platform
VS
O
OpenAI Agents SDK
Build and deploy AI agents with OpenAI's powerful tools.
Popularity
LangSmith9,349
OpenAI Agent...575
Pricing
FreemiumLangSmith
PaidOpenAI Age...
Features
6
LangSmith
vs
4
OpenAI Age...
Our verdict
LangSmith is significantly more popular in terms of media coverage and engagement.
If you're on a budget, LangSmith offers free access.
LangSmith is more geared toward b2b users, while OpenAI Agents SDK targets B2B.
LangSmith offers an API for integration into your workflows.
Detailed comparison
Criteria
LangSmith
OpenAI Agents SDK
Pricing
Freemium
Paid
Plans & pricing
Developer: Free, Team: $39/mo, Enterprise: Custom
—
Free trial
No
—
Audience
b2b
B2B
Platforms
Web
—
API
Yes
—
Open Source
Proprietary
—
Integrations
Pagerduty
—
Categories
Data Science, Dev Tools
Dev Tools, AI Agents
Popularity
Very High
Low
Description
LangSmith is a comprehensive AI agent and LLM observability platform. It provides tracing and real-time monitoring to help developers debug agents, identify failures quickly, and track critical metrics like costs and latency.
The OpenAI Agents SDK allows developers to create sophisticated AI agents capable of complex tasks and interactions. It provides the tools and infrastructure to integrate advanced AI capabilities into applications, enabling custom agent behaviors and workflows.
Pricing
LangSmith
Freemium
OpenAI Agents SDK
Paid
Plans & pricing
LangSmith
Developer: Free, Team: $39/mo, Enterprise: Custom
OpenAI Agents SDK
—
Free trial
LangSmith
No
OpenAI Agents SDK
—
Audience
LangSmith
b2b
OpenAI Agents SDK
B2B
Platforms
LangSmith
Web
OpenAI Agents SDK
—
API
LangSmith
Yes
OpenAI Agents SDK
—
Open Source
LangSmith
Proprietary
OpenAI Agents SDK
—
Integrations
LangSmith
Pagerduty
OpenAI Agents SDK
—
Categories
LangSmith
Data Science, Dev Tools
OpenAI Agents SDK
Dev Tools, AI Agents
Popularity
LangSmith
Very High
OpenAI Agents SDK
Low
Description
LangSmith
LangSmith is a comprehensive AI agent and LLM observability platform. It provides tracing and real-time monitoring to help developers debug agents, identify failures quickly, and track critical metrics like costs and latency.
OpenAI Agents SDK
The OpenAI Agents SDK allows developers to create sophisticated AI agents capable of complex tasks and interactions. It provides the tools and infrastructure to integrate advanced AI capabilities into applications, enabling custom agent behaviors and workflows.
Features
LangSmith
SDKs for Python, TypeScript, Go, and Java
Message threading for multi-turn chat interactions
Cost tracking
Online LLM-as-judge and code evals
Tool and agent trajectory monitoring
Webhook and Pagerduty alerts
OpenAI Agents SDK
Agent creation and management
Integration with OpenAI models
Customizable agent logic
Scalable deployment options
Key differentiators
LangSmith
- Complete AI agent & LLM observability
- Real-time tracing, debugging & evals
- Cost, latency & trajectory monitoring
OpenAI Agents SDK
Other comparisons
FAQ: LangSmith vs OpenAI Agents SDK
LangSmith: AI Agent & LLM Observability Platform. OpenAI Agents SDK: Build and deploy AI agents with OpenAI's powerful tools.. Both tools take different approaches to address similar needs.
LangSmith offers a freemium plan, while OpenAI Agents SDK is a paid tool.
The best choice between LangSmith and OpenAI Agents SDK depends on your specific needs. Compare their features, pricing, and target audience on this page to find the tool that best fits your use case.
LangSmith is primarily designed for individuals, while OpenAI Agents SDK is built for businesses and professionals.
LangSmith offers: SDKs for Python, TypeScript, Go, and Java, Message threading for multi-turn chat interactions, Cost tracking, Online LLM-as-judge and code evals. OpenAI Agents SDK offers: Agent creation and management, Integration with OpenAI models, Customizable agent logic, Scalable deployment options.
Based on our data, LangSmith currently enjoys greater popularity. However, popularity isn't the only factor — compare features to find the right tool for your needs.
Neither tool currently offers a free trial.