Top 11 ai infrastructure · observability that work with Opentelemetry
Arize AI is the highest-ranked provider in the Top 11 LangSmith vs Arize AI vs Datadog: 11 Best LLM Observability Platforms 2026 Ranked that integrates with Opentelemetry.
Why this answer
Filtered to entries that publicly document a Opentelemetry integration. We do not include "API available" as proof of integration — there has to be a named connector or first-class workflow.
Showing all 4 matches. Top 11 publishes whatever the data supports — we don’t pad lists. See the full ranked LangSmith vs Arize AI vs Datadog: 11 Best LLM Observability Platforms 2026 Ranked.
#1Arize AI(rank #2 in LangSmith vs Arize AI vs Datadog: 11 Best LLM Observability Platforms 2026 Ranked)
9/9.4A mature, enterprise-ready platform with deep roots in ML monitoring, excelling at drift and RAG evaluation.
Full Arize AI review · Compare: Arize AI vs Datadog · Alternatives
#2Datadog(rank #3 in LangSmith vs Arize AI vs Datadog: 11 Best LLM Observability Platforms 2026 Ranked)
8.8/9.4A strong, integrated LLM observability solution for companies already committed to the Datadog platform.
#3New Relic(rank #7 in LangSmith vs Arize AI vs Datadog: 11 Best LLM Observability Platforms 2026 Ranked)
8/9.4A robust, integrated AI monitoring solution for the extensive New Relic enterprise customer base.
#4OpenLLMetry(rank #11 in LangSmith vs Arize AI vs Datadog: 11 Best LLM Observability Platforms 2026 Ranked)
7.1/9.4A vendor-agnostic, open-source standard for adding LLM signals to OpenTelemetry traces.
Methodology: /methodology · No paid placement ever · Verified .