LangSmith

Trending

Observability and evaluation platform for LLM applications

Venture Funded$25MSeries ASequoia CapitalBenchmark

LLM ObservabilityTracingEvaluationLangChainDebugging

About

LangSmith is LangChain's production platform for debugging, testing, evaluating, and monitoring LLM applications. It provides full trace visibility into agent chains, automated evaluation pipelines, prompt versioning, and a dataset management system for continuous improvement.

Enterprise Readiness

from cataloged data

66/100 · Strong

Security & ComplianceStrong

2 certifications: SOC 2, GDPR

Deployment FlexibilityStrong

Flexible deployment: Cloud, Self-Hosted

Integration DepthStrong

5 documented integrations

Proven AdoptionStrong

1 published case study

Company MaturityStrong

Founded 2022 · Series A

Composite of public compliance, deployment, integration, adoption, and company signals. “Not disclosed” reflects gaps in available data, not a vendor deficiency.

Enterprise Use Cases

LLM Debugging

Agent Tracing

Prompt Management

Model Evaluation

Integrations

LangChainOpenAIAnthropicHugging FaceDatadog

Compliance & Certifications

SOC 2GDPR

In Production At1 case study

RakutenE-commerce2024

Used LangSmith to identify and fix hallucination patterns in customer service agent, reducing error rate by 60%.

How LangSmith compares

Tool	Readiness	Pricing	Deployment	Compliance	Integrations
LangSmith	66 · Strong	Freemium	Cloud, Self-Hosted	SOC 2, GDPR	5
Weights & Biases	71 · Strong	Freemium	Cloud, Self-Hosted	SOC 2, GDPR	5
Arize AI	67 · Strong	Freemium	Cloud, Self-Hosted	SOC 2, GDPR	5
Databricks	86 · Leader	Enterprise	Cloud, Hybrid	SOC 2, HIPAA, ISO 27001, FedRAMP	6

Peers from the same category, ranked by Enterprise Readiness. Readiness is a composite of cataloged compliance, deployment, integration, adoption, and company signals.

Frequently Asked Questions

What is LangSmith used for?

LangSmith is observability and evaluation platform for LLM applications. It is commonly used for llm debugging, agent tracing, prompt management, and model evaluation.

Is LangSmith free, and how is it priced?

LangSmith offers a free tier, with paid plans that add capacity and features.

What compliance certifications does LangSmith have?

LangSmith lists SOC 2 and GDPR compliance, indicating adherence to recognized security and data-handling standards relevant to enterprise procurement.

How can LangSmith be deployed?

LangSmith supports Cloud and Self-Hosted deployment. On-premise and self-hosted options support data-residency and air-gapped requirements.

What does LangSmith integrate with?

LangSmith documents 5 integrations, including LangChain, OpenAI, Anthropic, Hugging Face, and Datadog.

When was LangSmith founded?

LangSmith was founded in 2022 and has raised $25M in funding.

Is LangSmith enterprise-ready?

Based on cataloged data, LangSmith has an Enterprise Readiness score of 66/100 (Strong tier), derived from its compliance, deployment, integration, adoption, and company-maturity signals.

Quick Facts

PricingFreemium

DeploymentCloud, Self-Hosted

Founded2022

Team Size50-200

Funding$25M

CategoryData & MLOps

New & Notable

AI-curated news will appear here once the news feed pipeline launches.

Is this your product?

Claim this profile to manage your listing — update your logo, add case studies, verify compliance certifications, and respond to enterprise inquiries.