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Observability for AI agents

Compare observability tools

Link
LangSmith logoLangSmithFree dev seat; Plus $39/seat/mo + usageProprietary✓ YesVisit ↗
Langfuse logoLangfuseFree tier; paid from $29/moOpen source✓ YesVisit ↗
Helicone logoHeliconeFree tier; paid from $79/moOpen source✓ YesVisit ↗
Braintrust logoBraintrustFree tier; paid plansProprietary✓ YesVisit ↗
Arize logoArizeFree tier; Pro $50/moPartly open source✓ YesVisit ↗
Weights & Biases logoWeights & BiasesFree tier; paid from $60/moPartly open source✓ YesVisit ↗
AgentOps logoAgentOpsFree tier; paid plansOpen source✓ YesVisit ↗

All observability tools

LangSmith logoLangSmith
Tracing and evals for LLM apps
Free dev seat; Plus $39/seat/mo + usageProprietaryLangfuse logoLangfuse
Open-source LLM observability and evals
Free tier; paid from $29/moOpen sourceHelicone logoHelicone
LLM observability and gateway
Free tier; paid from $79/moOpen sourceBraintrust logoBraintrust
Evals and observability for AI products
Free tier; paid plansProprietaryArize logoArize
AI observability; Phoenix is OSS
Free tier; Pro $50/moPartly open sourceWeights & Biases logoWeights & Biases
ML platform incl. Weave for LLM tracing
Free tier; paid from $60/moPartly open sourceAgentOps logoAgentOps
Monitoring for AI agents
Free tier; paid plansOpen source