Datadog LLM Observability vs Langfuse

Best For

Build, Observability & Guardrails, Traces & Metrics

Pricing

paid

Key Features

Offers end-to-end tracing for LLM applications, mapping prompts, tool calls, and intermediate steps into spans and traces. · Includes built-in evaluations for LLM quality issues such as hallucination detection, prompt injection, and toxicity. · Tracks key metrics including latency, token usage, and error rates, automatically calculating estimated costs for LLM requests.