LangSmith vs GitBook
LLM observability, testing & evaluation — by LangChain
vs. Modern docs & knowledge bases — Notion-meets-Mintlify for teams
Pricing tiers
LangSmith
Developer (Free)
Free forever. 5,000 traces/month. 14-day retention. 1 seat. Basic evaluations.
Free
Plus
$39/seat/month. 10k base traces included ($2.50 per 1k overage). Full evaluations, custom dashboards, email support.
$39/mo
Enterprise
Custom. Self-host option, SSO, custom retention, dedicated support.
Custom
GitBook
Free (Personal)
$0. Unlimited public docs, unlimited editors, AI Assistant (limited). For open-source or personal.
Free
Plus
$6.70/user/mo (annual) or $10/mo. Unlimited public + private spaces, custom domain.
$7/mo
Pro
$12.50/user/mo annual. SSO, advanced security, visitor auth, git sync auto-merge.
$13/mo
Enterprise
Custom. SAML, audit logs, dedicated support, security reviews.
Custom
Free-tier quotas head-to-head
Comparing developer on LangSmith vs free on GitBook.
| Metric | LangSmith | GitBook |
|---|---|---|
| No overlapping quota metrics for these tiers. | ||
Features
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.
GitBook · 14 features
- AI Assistant — End-user chat + authoring help.
- Block Editor — Notion-style visual editor.
- Change Requests — PR-like review for docs edits.
- Custom Domain — docs.yourco.com.
- Full-text Search — Scoped + global.
- Git Sync — Two-way GitHub/GitLab sync.
- Integrations Gallery — Built-in integrations panel.
- Markdown Support — Import/export MD.
- OpenAPI Blocks — Embed interactive API reference.
- Page Analytics — Views, search queries, feedback.
- PDF Export — Download docs as PDF.
- SSO — SAML + OIDC.
- Versioning — Compare versions, revert.
- Visitor Authentication — Gate private docs (Pro+).
Developer interfaces
| Kind | LangSmith | GitBook |
|---|---|---|
| CLI | LangSmith CLI | gitbook CLI (legacy) |
| SDK | langsmith-js, langsmith-python | @gitbook/api (TS) |
| REST | LangSmith REST API | GitBook HTTP API |
| MCP | LangSmith MCP | — |
| OTHER | LangSmith Dashboard | GitBook Editor, GitBook Webhooks, GitHub/GitLab Sync |
Staxly is an independent catalog of developer platforms. Some links to LangSmith and GitBook may be affiliate links — Staxly may earn a commission if you sign up through them, at no extra cost to you. Pricing is verified against vendor pages at publication time — reconfirm before buying.
Want this comparison in your AI agent's context? Install the free Staxly MCP server.