← 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 21/07/2026, 10:00:56 am

244ms response

Uptime History100.00% uptime
2026-07-17Today

Uptime

100.00%

Avg Latency

350ms

P95 Latency

457ms

Fastest

207ms

Checks

150

Response Time

Last 60 checks
207ms min350ms avg515ms 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
244ms21 July, 10:00 am
Operational
337ms21 July, 09:32 am
Operational
288ms21 July, 09:06 am
Operational
381ms21 July, 08:39 am
Operational
423ms21 July, 08:11 am
Operational
264ms21 July, 07:46 am
Operational
457ms21 July, 07:18 am
Operational
382ms21 July, 06:47 am
Operational
282ms21 July, 06:10 am
Operational
457ms21 July, 05:33 am
Operational
329ms21 July, 04:50 am
Operational
398ms21 July, 04:07 am
Operational
438ms21 July, 03:19 am
Operational
389ms21 July, 02:41 am
Operational
264ms21 July, 02:00 am

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