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LangSmith (by LangChain)

3.9

Community Index

3.9/ 5

47 Reviews

LangSmith is LangChain's enterprise platform for debugging, testing, evaluating, and monitoring LLM applications, chains, and LangGraph agent systems from prototype to production.

Verified Review

Last Updated: 24.08.2026

Starting at

Free (5k traces/mo) / $39/mo (Plus) / Enterprise

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19 PEOPLE FAVORITED

Agent Critiq 2026 Verified Summary

PRICING & ACCESSFree (5k traces/mo) / $39/mo (Plus) / Enterprise

API & ARCHITECTURENative API • Proprietary

COMMUNITY INDEX3.9 / 5(47 Reviews)

Metodoloji v3.0Objective Lab Test Report

LangSmith (by LangChain) 4-Phase Verification Protocol

COMMUNITY INDEXVerified

3.9/5.0

Phase 1: Ecosystem & Pulse

3.9 / 5.0

GitHub momentum, API openness, and adoption rate (25% Weight)

Phase 2: Stress Engine & SLA

4.0 / 5.0

Context window consistency, memory persistence, latency tolerance (25% Weight)

Phase 3: Security & Privacy

3.8 / 5.0

Zero-data retention, shadow-training risk, enterprise compliance (20% Weight)

Phase 4: 40+ Hours Human Test

4.0 / 5.0

40+ hours hands-on field testing by senior staff engineers (30% Weight)

Live Agent Telemetry:

Latency:~237 ms

SLA Uptime:99.60%

Throughput:~92 tok/sn

Pros

Cons

Direct Matrix: LangSmith (by LangChain) vs n8n (Workflow Automation & AI)

Metric	LangSmith (by LangChain)	n8n (Workflow Automation & AI)
Best for	Autonomous Agents	Autonomous Agents
Pricing	Free (5k traces/mo) / $39/mo (Plus) / Enterprise	Free (Self-Hosted Open Source) / $20/mo (Cloud Starter)
Rating	3.9 ★	4 ★

EDITORIAL DEEP DIVE REVIEW

In-Depth LangSmith (by LangChain) Analysis

LangSmith is LangChain's enterprise platform for debugging, testing, evaluating, and monitoring LLM applications, chains, and LangGraph agent systems from prototype to production.

Frequently Asked Questions about LangSmith (by LangChain)

How much does LangSmith (by LangChain) cost in 2026 and is there a free plan?

LangSmith (by LangChain) pricing starts at Free (5k traces/mo) / $39/mo (Plus) / Enterprise. A free plan/trial is available with no credit card required.

What are the top alternatives to LangSmith (by LangChain)?

Top alternatives in the Autonomous Agents space include: n8n (Workflow Automation & AI), Open Interpreter, AgentOps.

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LangSmith (by LangChain) vs n8n (Workflow Automation & AI)

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LangSmith (by LangChain) vs Open Interpreter

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LangSmith (by LangChain) vs AgentOps

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