Plans for teams of any size

Get access to each LangSmith service - pay for what you use.

Developer

For solo users getting started.

$0 / seat per month

then pay as you go

• Up to 5k base traces / mo, then pay-as-you-go
• Community support
• 1 seat

Plus

For teams building and deploying agents.

$39 / seat per month

then pay as you go

• Up to 10k base traces / mo, then pay-as-you-go
• Access to Deployment, Engine, and more
• Add unlimited seats

Enterprise

For teams with advanced hosting, security, and support needs.

Custom pricing

then pay as you go

• Self-hosted and hybrid deployment options
• Custom SSO, ABAC, and RBAC
• Support SLA
• Custom seats and workspaces

Small team just getting started?

We offer discounted rates and credits for VC-backed startups. Get up to $10,000 in credits.

LangSmith for Startups

LangSmith Usage Calculator

Estimate your monthly usage

Tell us about your agent. Pay-as-you-go.

LCU LangChain Compute Units. For work done & compute. $1.50 / LCU

LSU LangChain Storage Units. For traces & storage. $1.00 / LSU

Your agent stack

Observability & Evals

Ready to start with LangSmith?

Start building with LangSmith, talk with our team, or share this estimate with the people you work with.

Features

Developer $0 / seat
Plus
$39 / seat
Enterprise
Custom pricing

General Questions

Which plan is right for me? Our Developer plan is a great choice for personal projects. You will have 1 free seat with access to LangSmith (5k base traces/month included).

The Plus plan is for teams that want to self-serve with moderate usage and collaboration needs. You can purchase unlimited seats with access to LangSmith (10k base traces/month included). You will be able to ship agents with our managed LangSmith Deployment service, with 1 free small serverless deployment included.

The Enterprise plan is for teams that need more advanced administration, security, support, or deployment options. Contact our sales team to learn more.

Do you offer a plan for startups? Yes! We offer a Startup Plan for LangSmith, designed for early-stage companies building agentic applications. You’ll get discounted rates and generous free trace allotments to build with confidence from day one.
Apply here to get started with startup pricing.

When will I be billed? For the Developer or Plus Plan, seats are billed monthly on the 1st or pro-rated if added mid-month (no credit for removed seats); traces are billed monthly in arrears for your usage. Enterprise plans are invoiced annually upfront.

What is an LCU? What is an LSU? LangChain Compute Unit (LCU): A LCU is a normalized unit of work done on the LangSmith Platform and is used for pricing purposes. Different services in LangSmith that do work and consume compute, tokens, or processing power all meter at different rates and are measured in LCUs. 1 LCU = $1.50.

LangChain Storage Unit (LSU): A LSU is a normalized unit of data stored or managed by the LangSmith Platform and is used for pricing purposes. Different services in LangSmith that store data in a database or in memory all meter at different rates and are measured in LSUs. 1 LSU = $1.00.