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About LangChain / LangSmith
LangChain provides the engineering platform and open source frameworks developers use to build, test, and deploy reliable AI agents.
LangChain / LangSmith's Pricing Plans
LangChain / LangSmith may change prices at any time. Here's our latest information:
LangChain / LangSmith Pricing Plans
Developer
for solo users
$0
monthly
- Up to 5k base traces / mo, then pay-as-you-go
- Tracing to debug agent execution
- Online and offline evals
- Prompt Hub, Playground, and Canvas
- Annotation queues for human feedback
- Monitoring and alerting
- 1 Fleet agent
- Up to 50 Fleet runs / mo
- Community support
- 1 seat
- No email support
- Max 1 seat (cannot add unlimited seats)
- No access to LangSmith Engine
- No access to LangSmith Sandboxes
- No unlimited Fleet agents
- Only 50 Fleet runs / mo (Plus has 500)
- LLM usage billed separately by your model provider
- Additional usage billed pay-as-you-go
Plus
for teams
$39
monthly
- Everything in Developer
- Up to 10k base traces / mo, then pay-as-you-go
- 1 dev-sized agent deployment included
- Email support
- Unlimited Fleet agents
- Up to 500 Fleet runs / mo
- Add unlimited seats
- Up to 3 workspaces
- Access to LangSmith Engine
- Access to LangSmith Sandboxes
- LLM usage billed separately by your model provider
- Additional Fleet runs: $0.05 / Fleet run
- Deployment runs: $0.005 / deployment run
- Uptime costs: $0.0036 / min (prod), $0.0007 / min (dev)
- Engine usage metered in LCUs at $1.50 / LCU
- Sandboxes billed by CPU, memory, and storage per listed rates
Enterprise
for enterprises
Contact us
- Everything in Plus
- Alternative hosting options (including hybrid and self-hosted)
- Custom SSO and RBAC
- Support SLA
- Team trainings & architectural guidance
- Custom seats and workspaces
- Custom packages for Fleet, Engine, and Sandboxes
- Contact sales for custom pricing and packaging
What you get
Additional Information
Includes LangChain open-source frameworks (langchain, langgraph, deepagents) and the LangSmith platform for observability, evaluation, deployment, and fleet management.
Frequently asked questions
What is LangChain / LangSmith used for?
LangChain: Observe, Evaluate, and Deploy Reliable AI Agents.Is LangChain / LangSmith free?
LangChain / LangSmith has a free tier; paid plans unlock additional features.What are alternatives to LangChain / LangSmith?
Top alternatives to LangChain / LangSmith include AI Agent Store, AICamp, BrainSoup, NexusGPT, Opencord AI.Where can I get LangChain / LangSmith?
LangChain / LangSmith is available at https://www.langchain.com/.What category is LangChain / LangSmith in?
LangChain / LangSmith is listed in AI Agents.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.Do you offer a plan for startups?
Yes! We offer a Startup Plan for LangSmith, designed for early-stage companies building agentic applications.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. Enterprise plans are invoiced annually upfront.Will you train on the data that I send to LangSmith?
No. LangSmith does not use your data to train models. Your traces, prompts, and outputs remain private to your organization.What is a seat?
A seat is a distinct user inside your organization. We consider the total number of users to determine the number of seats to bill.
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