Kinde vs LangSmith

Kinde

LangSmith

Kinde · 14 features

• API Scopes — OAuth scopes for your APIs, enforced server-side (Plus+).
• B2B Organizations — Multi-tenant orgs with user roles, invitations, feature flags per org.
• Custom Domain — Host auth at auth.yourbrand.com. Free tier includes this.
• Enterprise SSO — SAML 2.0 + OIDC enterprise connections (Plus unlimited).
• Feature Flags — Built-in feature flags with per-user/org overrides. No separate service needed.
• Kinde AI — AI-assisted query and insights over your Kinde data.
• Kinde Billing (preview) — Built-in subscription billing linked to users/orgs. Stripe under the hood.
• Machine-to-Machine — Client credentials grant for service-to-service auth.
• Multi-Factor Auth — TOTP authenticator apps, SMS, email, passkey.
• Passwordless — Email code + passkey (WebAuthn).
• Roles & Permissions — RBAC with roles → permissions. Assigned per user or per organization.
• SCIM Provisioning — Directory provisioning from IdPs (Scale tier).
• Sign-in Widget — Hosted pages + themeable widget for login/signup. Customizable with CSS.
• Webhooks — Event webhooks: user.created/updated, organization events, MFA, etc.

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.