WorkOS vs LangSmith

WorkOS

LangSmith

WorkOS · 13 features

• Audit Logs — Standardized audit log pipeline with streaming to SIEMs (Splunk, Datadog, Sumo L…
• AuthKit — Complete drop-in user management UI + hosted auth flows. Built on top of WorkOS.
• Directory Sync — SCIM-based user provisioning/deprovisioning from Okta, Azure AD, Google Workspac…
• FGA (WorkOS) — Fine-grained authorization based on Google Zanzibar / OpenFGA.
• Magic Auth — Passwordless email codes + links. Good alternative to password auth for B2B.
• Multi-Factor Auth — TOTP + SMS MFA enrollment and verification APIs.
• Organizations — Multi-tenant B2B primitive. Attach SSO/Directory/Audit to specific customer orgs…
• Passkeys — WebAuthn passkeys as a first-class factor.
• Radar — Fraud protection: device fingerprinting + risk scoring at signup and login.
• Single Sign-On — Plug-and-play SAML 2.0 + OIDC SSO with 30+ identity providers pre-mapped.
• User Management — REST API + webhooks for user CRUD, email verification, sessions, MFA, metadata.
• Vault — Secret storage for tokens + per-tenant credentials.
• Widgets — Embeddable admin portals (SSO setup, directory mapping) that your customers self…

LangSmith · 14 features

• Alerts — Threshold alerts on latency, cost, eval metrics.
• Annotation Queues — Human-review workflows for trace quality rating.
• Custom Dashboards — Aggregate metrics dashboards per project/tag.
• Datasets — Collect examples → use as eval sets or training data.
• Evaluations — LLM-as-judge, embedding similarity, custom Python evaluators, offline batch eval…
• LangChain Integration — Auto-trace any LangChain/LangGraph run with env var.
• LangGraph Integration — First-class trace + eval for LangGraph agents.
• LLM Tracing — Automatic trace every LLM call + tool call + chain step.
• OpenTelemetry Export — Export traces as OTLP to Datadog/Honeycomb/etc.
• Playground — Test prompts + models inline before deploying.
• Prompt Canvas — Visual prompt editor with live test + eval.
• Prompt Hub — Public + private prompt library with versioning.
• Self-Hosted (Enterprise) — Docker + k8s deployment in your infra.
• Threads + Sessions — Group traces into conversational sessions.