Figma vs LangSmith
Collaborative interface design — the dominant tool for UI, UX + prototyping
vs. LLM observability, testing & evaluation — by LangChain
Pricing tiers
Figma
Starter
$0. 3 Figma files, 3 FigJam files. Unlimited collaborators. Basic features.
$0 base (usage-based)
Professional
$15/editor/mo annual ($20/mo). Unlimited files, version history, team libraries.
$15/mo
Dev Mode Seats
$25/dev/mo. Read-only access for engineers (alternative to full editor seats).
$25/mo
Organization
$45/editor/mo annual ($55/mo). Design systems, branch + merge, SSO.
$45/mo
Enterprise
$75/editor/mo. SAML, audit log, security reviews, dedicated CSM, HIPAA.
$75/mo
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
Free-tier quotas head-to-head
Comparing free on Figma vs developer on LangSmith.
| Metric | Figma | LangSmith |
|---|---|---|
| No overlapping quota metrics for these tiers. | ||
Features
Figma · 19 features
- Auto Layout — Flexbox-like layout constraints.
- Branch + Merge — Git-like workflow for designs.
- Comments + Reactions — In-file discussion.
- Components — Reusable + variants + properties.
- Design — Vector + layout tools.
- Dev Mode — Handoff view with code specs.
- FigJam — Whiteboard / brainstorming.
- Figma AI — Generative design + Make Designs.
- Figma MCP — AI agent access via Model Context Protocol.
- Figma Slides — Presentations.
- Inspect + Code Tokens — Extract CSS/iOS/Android.
- Plugin Ecosystem — 10,000+ community plugins.
- Prototyping — Interactive flows + transitions.
- REST API — Read file contents + export.
- SSO — SAML/OIDC (Org+).
- Team Libraries — Shared component libraries.
- Variables + Modes — Design tokens with dark/light mode switching.
- Webhooks — File / version events.
- Widgets — Custom interactive widgets in files.
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.
Developer interfaces
| Kind | Figma | LangSmith |
|---|---|---|
| CLI | — | LangSmith CLI |
| SDK | Plugins API, Widgets API | langsmith-js, langsmith-python |
| REST | Figma REST API | LangSmith REST API |
| MCP | Figma MCP (Dev Mode) | LangSmith MCP |
| OTHER | Figma Desktop, Figma Web, Figma Webhooks | LangSmith Dashboard |
Staxly is an independent catalog of developer platforms. Some links to Figma and LangSmith 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.
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