Top 11 ai infrastructure · observability that work with Langchain
LangSmith is the highest-ranked provider in the Top 11 11 Best LLM Monitoring & AI Observability Platforms 2026 — LangSmith Alternatives Ranked that integrates with Langchain.
Why this answer
Filtered to entries that publicly document a Langchain integration. We do not include "API available" as proof of integration — there has to be a named connector or first-class workflow.
Showing all 10 matches. Top 11 publishes whatever the data supports — we don’t pad lists. See the full ranked 11 Best LLM Monitoring & AI Observability Platforms 2026 — LangSmith Alternatives Ranked.
#1LangSmith(rank #1 in 11 Best LLM Monitoring & AI Observability Platforms 2026 — LangSmith Alternatives Ranked)
9.2/9.4The essential, purpose-built observability tool for the massive LangChain ecosystem, offering unmatched debugging depth.
Full LangSmith review · Compare: LangSmith vs Arize AI · Alternatives
#2Arize AI(rank #2 in 11 Best LLM Monitoring & AI Observability Platforms 2026 — LangSmith Alternatives Ranked)
9/9.4A mature, enterprise-ready platform with deep roots in ML monitoring, excelling at drift and RAG evaluation.
#3Datadog(rank #3 in 11 Best LLM Monitoring & AI Observability Platforms 2026 — LangSmith Alternatives Ranked)
8.8/9.4A strong, integrated LLM observability solution for companies already committed to the Datadog platform.
#4Galileo(rank #4 in 11 Best LLM Monitoring & AI Observability Platforms 2026 — LangSmith Alternatives Ranked)
8.6/9.4A data-centric platform excelling at RAG evaluation, hallucination detection, and unstructured data quality.
#5WhyLabs(rank #5 in 11 Best LLM Monitoring & AI Observability Platforms 2026 — LangSmith Alternatives Ranked)
8.4/9.4A mature, data-first monitoring platform built on the popular open-source whylogs library.
#6Helicone(rank #6 in 11 Best LLM Monitoring & AI Observability Platforms 2026 — LangSmith Alternatives Ranked)
8.2/9.4A simple, elegant API proxy for LLM logging, caching, and analytics with near-zero setup friction.
#7New Relic(rank #7 in 11 Best LLM Monitoring & AI Observability Platforms 2026 — LangSmith Alternatives Ranked)
8/9.4A robust, integrated AI monitoring solution for the extensive New Relic enterprise customer base.
#8Sentry(rank #9 in 11 Best LLM Monitoring & AI Observability Platforms 2026 — LangSmith Alternatives Ranked)
7.6/9.4Connects LLM pipeline issues directly to application errors and traces for existing Sentry users.
#9Portkey(rank #10 in 11 Best LLM Monitoring & AI Observability Platforms 2026 — LangSmith Alternatives Ranked)
7.4/9.4An AI gateway that bundles observability with caching, retries, and model routing features.
#10OpenLLMetry(rank #11 in 11 Best LLM Monitoring & AI Observability Platforms 2026 — LangSmith Alternatives Ranked)
7.1/9.4A vendor-agnostic, open-source standard for adding LLM signals to OpenTelemetry traces.
Methodology: /methodology · No paid placement ever · Verified .