Best LLM Observability Tools in 2026 - Comparison

Best LLM Observability Tools in 2026 - Comparison

ObservabilityTrace every call, cost, and latency
SecurityBlock attacks, redact PII and secrets
OptimizationCache repeated prompts automatically
EvaluationScore responses and whole agent runs
DatasetsGolden sets that capture whole agent runs
Prompt ManagementVersion and deploy prompt templates
AlertsPush eval and security events to Slack

LLM Providers

OpenAI
Anthropic
Google Gemini
Google Vertex AI

Agent Frameworks

LangChain
LangGraph
CrewAI
Google ADK
MCP

Vector Databases

Pinecone
Chroma
Weaviate
FAISS
Qdrant

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Observe, protect, optimize, evaluate.

PlatformObservability Security Optimization Evaluation Datasets Prompt Management Alerts

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Comparevs LangSmith vs Langfuse vs Helicone vs Braintrust vs Portkey vs Lakera

IntegrationsOpenAI Anthropic LangChain CrewAI Pinecone View all →