LangSmith facts
LangSmith
LangChain platform for observing, evaluating, and deploying LLM applications and agents.
Fact summary
- Name
- LangSmith
- Company / maker
- LangChain
- Category
- Model & Infrastructure
- Tags
- Observability, Evaluation, Agents
- Entity type
- Platform
- Availability
- Public
- Pricing model
- Hybrid
- Pricing unit
- month
- Primary pricing route
- Team Workspace
- Free plan
- Yes
- Delivery modes
- Web AppAPICLI
- Supported platforms
- Web
- Data state
- source backed
Official links
| Link | URL | source type | checked |
|---|---|---|---|
| Official website | www.langchain.com/langsmith-platform | official-site | 2026-05-06 |
| Pricing page | www.langchain.com/pricing-langsmith | official-pricing-page | 2026-05-06 |
| Documentation | docs.smith.langchain.com | official-documentation | 2026-05-06 |
| API docs | docs.smith.langchain.com/reference | official-documentation | 2026-05-06 |
| Status page | status.smith.langchain.com | official-status-page | 2026-05-06 |
Access and delivery
Supported platforms
Delivery modes
Capabilities
Capability tags
Pricing summary
Pricing summary
Derived from official pricing routes where available- pricingModel
- Hybrid
- pricingUnit
- month
- startingPrice
- $39 / month
- currency
- USD
- hasFreePlan
- Yes
- pricingLastChecked
- 2026-05-06
Pricing routes
The pricing page describes cloud, hybrid, and self-hosted hosting options for Enterprise, including a SaaS control plane with self-hosted data plane for hybrid deployments.
The pricing page lists Enterprise as custom pricing for advanced hosting, security, and support needs, with custom SSO and RBAC, support SLA, trainings, architectural guidance, custom seats, workspaces, and Fleet packages.
The pricing page lists Plus at $39 per seat per month, then pay as you go, with included base traces, unlimited seats, up to three workspaces, and one dev-sized agent deployment included.
The pricing page lists Developer at $0 per seat per month, then pay as you go, with included base traces, one seat, one Fleet agent, and included Fleet runs.
Pricing plans
Evidence and sources
| source URL | source type | used for | checked |
|---|---|---|---|
| status.smith.langchain.com | official-status-page | status-page | 2026-05-06 |
| docs.smith.langchain.com | official-documentation | documentation, capabilities, delivery-modes | 2026-05-06 |
| www.langchain.com/pricing-langsmith | official-pricing-page | pricing-model, pricing-routes, free-access | 2026-05-06 |
| www.langchain.com/langsmith-platform | official-site | identity, capabilities, delivery-modes | 2026-05-06 |