Deep Agent Tracing

Build complex agents that you can debug

Deep agents orchestrate multiple steps, tools, and LLM calls in sophisticated workflows.

LangSmith gives you complete visibility into every step of your agent chain, from planning to execution to recovery.

Try LangSmith free. No credit card required.

LangSmith dashboard showing deep agent trace visualization

How LangSmith works with deep agents

1

Instrument your agent chain

Add LangSmith to your LangGraph agent in seconds. Automatic tracing captures every tool call, LLM decision, and state transition.

2

Analyze traces and debug failures

View your complete agent execution tree. Identify where decisions went wrong, why tools were selected, and what the agent was reasoning.

3

Evaluate and optimize

Create test datasets from production traces. Run evals to measure agent performance and validate improvements before shipping.

LangSmith powers top engineering teams, from AI startups to global enterprises

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Writer
Harvey
Vanta
Abridge
Clay
Rippling
Mercor
Listen Labs
dbt Labs
Klarna
Headspace
Lyft
Coinbase
Rakuten
LinkedIn
Elastic
Workday
Monday.com

Built for Complex Agent Systems

Thousands of teams build and trace deep agent chains on LangSmith

50M+
LLM Calls Traced
1B+
Events Ingested per Day
100K+
Monthly active orgs in LangSmith SaaS

Trace Deep Agent Workflows End-to-End

Visualize multi-step agent chains and debug complex interactions

Deep agents make complex decisions across multiple steps. LangSmith traces tool calls, LLM reasoning, and agent state transitions so you understand exactly where decisions happen and why.

Connect with our team to see how
LangSmith Observability interface showing trace details

Built for Enterprise

Security and compliance at scale

LangSmith meets the demanding security, performance, and collaboration requirements of large organizations building AI applications at scale.

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Granular permissions

Role-based access control with org-level permissions and project isolation to meet your security and compliance requirements.

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SOC 2 Type II

Third-party security certification with comprehensive security controls.

Trust center
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Self-hosted deployment

Self-hosting options to maintain full control over your AI data and meet strict compliance requirements.

Why top AI teams choose LangSmith for deep agents

Understand complex agent logic

Trace tool selection, reasoning, state transitions, and recovery paths across your entire agent chain. Debug failures in seconds instead of hours.

Optimize multi-step workflows

Find bottlenecks in your agent chain. Test prompt changes and agentic strategies against real traces to measure impact before shipping.

Works with LangGraph and beyond

LangSmith integrates seamlessly with LangGraph but works with any agentic framework. No vendor lock-in.

Customer results with deep agents

Elastic

"Working with LangSmith on the Elastic AI Assistant had a significant positive impact on the overall pace and quality of our development and shipping experience. We couldn't have delivered the product experience our customers now have without LangSmith—and we couldn't have done it at the same pace without it."

James Spiteri, Director of Security Product Management at Elastic

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Rakuten

"What we really needed was a more structured way to test new approaches, something better than just shipping and seeing what happened. LangSmith gave us a more scientific, structured way to understand what was actually working, whether that meant running pairwise evaluations or digging into why accuracy jumped from 70% to 80%. Our engineers especially love the intuitive debugging experience, it's saved us a lot of time."

Yusuke Kaji, General Manager of AI for Business Development at Rakuten

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Get a Demo of LangSmith for Deep Agents

See how LangSmith traces and debugs complex multi-step agent chains. Our team will show you how to gain visibility and control over your deep agent workflows.