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Introduction

This page provides a comparison of Atla, Langfuse, and LangSmith, three platforms used to monitor and evaluate AI agents. Atla focuses on proactively detecting recurring failure patterns and surfacing insights, while Langfuse and LangSmith emphasize observability and dataset management.

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Platform Overview

Atla: Evaluation platform for agentic systems. Detects recurring failure patterns from prompts, tools, and user interactions, with trace summaries and step-level annotations. Supports custom LLM-as-a-judge metrics, surfaces problems proactively before customers notice, and reduces debugging time by up to 5×. Langfuse: Open-source observability with trace logging, cost/latency metrics, prompt & dataset management, and LLM-as-a-judge evaluations. Available as self-hosted or managed cloud. LangSmith: Closed-source observability platform tightly integrated with LangChain. Provides tracing, cost/latency metrics, prompt & dataset management, and LLM-as-a-judge evaluations in a polished SaaS.
Atla can run alongside Langfuse or LangSmith to deliver deeper insights and accelerate teams getting agents production-ready.

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Feature Comparison

FeatureAtlaLangfuseLangSmith
LLM Trace Logging & Visualisation✅ Trace logging with summaries and error annotations✅ Trace inspection & dashboards✅ Trace inspection & dashboards
Automatic Failure Mode Detection✅ Auto-clusters recurring failure patterns❌ Manual inspection❌ Manual inspection
Automated Fix Suggestions✅ Actionable recommendations to improve reliability❌ Developer-led❌ Developer-led
LLM Evaluation✅ Includes LLM-as-a-judge✅ Includes LLM-as-a-judge✅ Includes LLM-as-a-judge
Token/Cost & Latency Tracking➖ Latency tracked; focus on failure analysis✅ Detailed per call✅ Detailed per call
Prompt Management➖ No prompt tracking. Playground in beta✅ Versioning & playground✅ Versioning & playground
Dataset Management❌ Not yet✅ Datasets for evals✅ Datasets for evals
SDKs / API for Integration✅ Python & TS SDKs; integrates with other tools✅ Python/JS, OpenTelemetry, API✅ LangChain callbacks, Python/TS, API
Multi-user Collaboration & RBAC➖ Supports multiple organisations; users invited per org✅ Collaboration; RBAC in enterprise✅ Team management & SSO/SAML on enterprise
Security & ComplianceSOC 2 Type I, HIPAA, GDPR; DPA availableISO 27001 & SOC 2 Type II; GDPR; EU/US hostingSOC 2 Type II, HIPAA, GDPR; EU data residency
Deployment OptionSaaS by default; self-hosting for enterprise upon requestOpen-source (MIT core) + self-host or managed cloudSaaS by default; self-hosting for Enterprise

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Conclusion

Atla is designed to go beyond observability by automatically surfacing recurring failure patterns and suggesting actionable fixes, helping teams reduce debugging time and improve reliability. Unlike Langfuse or LangSmith, it focuses less on dataset and prompt management, and more on ensuring agents perform consistently in production. Teams can use Atla on its own as a dedicated reliability layer or seamlessly alongside Langfuse and LangSmith to complement their existing observability setup. This flexibility makes Atla well-suited for teams that want to move faster without compromising on quality.