Observability — Traces, logs and metrics
See inside production systems: errors, latency and LLM traces — the difference between guessing and knowing.
Observability is featured by
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Langfuse
LLM Ops
The open-source LLM engineering platform
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Helicone
LLM Ops
LLM observability in one line
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LangSmith
LLM Ops
Build trustworthy AI agents
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Braintrust
LLM Ops
Enterprise AI evaluation
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promptfoo
LLM Ops
Test your LLM app before you ship
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Portkey
LLM Ops
The AI gateway and guardrails
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Arize Phoenix
LLM Ops
Open-source AI observability
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Sentry
Service
Fix what crashes, fast
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Axiom
Service
Logging and observability without limits
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PostHog
Analytics Tool
The single platform for product data
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LiteLLM
LLM Ops
One interface for all LLM APIs