← All providers
Docs·API
LangSmith

LangSmith

AgentFREE TIER

LLM observability, tracing, and evaluation platform

smith.langchain.com ↗Pricing →/api/v1/latency

Operational

All systems responding normally

Last checked 06/04/2026, 2:54:10 am

295ms response

Uptime History100.00% uptime
2026-04-03Today

Uptime

100.00%

Avg Latency

297ms

P95 Latency

398ms

Fastest

179ms

Checks

150

Response Time

Last 60 checks
179ms min297ms avg503ms max

💰 Pricing

observabilityFREE

Plus: $39/mo. Enterprise: custom

5k traces/month free

⚡ Rate Limits

free

Observability platform. 5k traces/month free. No request throttling on traces.

🤖 Models (1)

ModelTaskContextVisionToolsJSON
Observability

LLM tracing and evaluation platform. Not an LLM.

llm————

Recent Checks

Showing last 15
Operational
295ms6 Apr, 02:54 am
Operational
256ms6 Apr, 02:32 am
Operational
245ms6 Apr, 02:11 am
Operational
251ms6 Apr, 01:53 am
Operational
296ms6 Apr, 01:38 am
Operational
208ms6 Apr, 01:19 am
Operational
377ms6 Apr, 01:01 am
Operational
195ms6 Apr, 12:45 am
Operational
430ms6 Apr, 12:23 am
Operational
268ms6 Apr, 12:03 am
Operational
213ms5 Apr, 11:42 pm
Operational
352ms5 Apr, 11:18 pm
Operational
307ms5 Apr, 10:48 pm
Operational
230ms5 Apr, 10:23 pm
Operational
376ms5 Apr, 10:00 pm

API Quick Access

HealthLatencyFreshnessPricingModels

Other Agent Providers

E2B

E2B

Secure cloud sandboxes for AI agents — code execution

Browserbase

Browserbase

Cloud browser infrastructure for AI agents — Playwright/Puppeteer

Helicone

Helicone

LLM observability, caching, and cost tracking for agents

Portkey AI

Portkey AI

AI gateway — routing, fallbacks, guardrails, observability

Vapi

Vapi

Voice AI infrastructure for agents — real-time phone calls

Composio

Composio

100+ tool integrations for AI agents — GitHub, Slack, Gmail

Visit LangSmith →View Pricing← All Providers