Observability Brothers

LangChain pricing

LangSmith (Observability, Evaluation, Deployment, Engine, Sandboxes, LLM Gateway, Fleet). Prices read 2026-10-05, dataset 2026.10.12.

LangChain website ↗

At a glance

Deployment
saas, hybrid, self-hosted
Licence
proprietary
Categories
llm observability, tracing backend
Ownership
private · s15, s16
Estimate
Not costed yet: priced per trace, request or token, or not yet modelled

What it charges for

Every line item recorded for LangChain. "Not stated" means the vendor's own page gives no number; it is never treated as zero.

Line itemUnitCommitmentList priceSources
Developer seatuser-monthmonthly, self-serve$0s1
Plus seatuser-monthmonthly, self-serve$39s1
Base traces (14-day retention)trace-thousandpay-as-you-go, billed monthly in arrears$5s1
Extended trace upgrade (180-day retention)trace-thousandpay-as-you-go$2.5s1
LangChain Standard Unit (LSU)creditpay-as-you-go (Plus); drawn from committed credits (Enterprise)$1s1
Deployment runtime computecustompay-as-you-go$0.0675s1
Deployment runtime memorycustompay-as-you-go$0.009s1
Deployment database computecustompay-as-you-go$0.177s1
Deployment database memorycustompay-as-you-go$0.025s1
Sandboxes computecustompay-as-you-go, billed per second$0.0576s1
Sandboxes memorycustompay-as-you-go, billed per second$0.01845s1
Sandboxes storagecustompay-as-you-go, billed per second$0.000123s1
Tuned Evaluators (Perceived Error)custompay-as-you-go (public beta, US Cloud, Plus and Cloud Enterprise)$0.015s1
LangSmith Engine runcreditpay-as-you-go in LSUsNot stateds1
Fleet agent runscreditpay-as-you-go in LSUs beyond the plan allowanceNot stateds1
LLM Gateway creditscustomprepaidNot stateds1
Enterprise (Cloud, hybrid or self-hosted)customannual invoice, custom termsNot stateds1, s6

How the estimate is built

LangChain has no estimate yet. It is in the dataset, but its pricing is not expressed as a cost for the standard workload (for example because it is priced per trace, request or token). The line items above are what is recorded so far.

Capabilities

What LangChain offers, by the definitions in the dataset. Add-on means a separately priced product.

CapabilityLevelSources
Ai assistant nl query
Natural-language query or chat assistant
Yess11
Ai root cause
AI-assisted root-cause analysis or investigation agent
Add-ons1
Alerting
Alert rules with routing/notification
Yess7
Audit logs
Audit log of user/admin actions
Partials3
Byoc
Vendor-managed in the customer's cloud account
Partials1, s6
Data reduction
Drop, aggregate, dedupe, or convert logs-to-metrics before billing
Partials1, s8
Hipaa
HIPAA-eligible (BAA available)
Partials14, s6
Llm observability
LLM/agent tracing, token and cost tracking, evaluations
Yess1
Logs
Log management
Nos1
Mcp server
Exposes an MCP server for agents
Yess1, s12
Metrics
Metrics
Partials1, s7
Otel semconv native
UI and features key off OTel semantic conventions rather than vendor fields
Partials2
Otlp ingest
Accepts OTLP (gRPC or HTTP) natively, without a proprietary agent in the path
Yess2
Pii redaction
Mask/redact sensitive data in the pipeline
Partials1, s10, s9
Proprietary agent required
Full functionality needs the vendor's own agent (yes = lock-in signal)
Nos2
Rbac
Role-based access control
Partials1, s4, s5
Saas
Vendor-hosted SaaS
Yess13
Sampling tail
Tail-based trace sampling
Nos8
Self hosted
Customer can run it on its own infrastructure
Partials1, s17, s6
Sso saml
SSO via SAML/OIDC
Partials1, s6
Traces
Distributed tracing
Yess1, s2
Usage cost controls
Quotas, budgets, usage attribution to teams
Partials1

Sources

Every page cited above, with the date it was read. Third-party pages are marked; a price stated only by a third party is shown as not stated.

IdKindPageRead
s1vendor-pricingLangSmith Plans and Pricing (incl. tooltips and FAQ)2026-10-05
s10vendor-docsRedact secrets from traces2026-10-05
s11vendor-docsLangSmith Chat (formerly Polly)2026-10-05
s12vendor-docsLangSmith Remote MCP2026-10-05
s13vendor-docsRegions FAQ2026-10-05
s14vendor-marketingLangChain Trust Center2026-10-05
s15vendor-marketingLangChain raises $125M to build the platform for agent engineering2026-10-05
s16third-partyTechCrunch: LangChain hits $1.25B valuation (2025-10-21)2026-10-05
s17vendor-docsSelf-host LangSmith on Kubernetes2026-10-05
s2vendor-docsTrace with OpenTelemetry (OTLP endpoint, GenAI attribute mapping)2026-10-05
s3vendor-docsAudit logs2026-10-05
s4vendor-docsAttribute-based access control2026-10-05
s5vendor-docsRole-based access control2026-10-05
s6vendor-docsLangSmith for Enterprise (hosting, SSO, SCIM, RBAC/ABAC, compliance)2026-10-05
s7vendor-docsAlerts in LangSmith2026-10-05
s8vendor-docsSet a sampling rate for traces2026-10-05
s9vendor-docsPrevent logging of sensitive data in traces2026-10-05

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