AI Gateway Directory

PostHog LLM analytics

LLM traces next to product analytics

PostHog's LLM analytics captures generations, latency, cost and traces, and places them next to product analytics, session replay and feature flags in one account.

posthoganalyticstracingcost-tracking

More in Observability

Arize Phoenix

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AI observability and evaluation you can self-host

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Braintrust

Observability

Evals, logging and prompt tooling for AI products

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Datadog LLM Observability

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LLM traces inside Datadog

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Helicone

Observability

Open-source LLM observability through a proxy or SDK

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Langfuse

Observability

Open-source LLM observability, evals and prompt management

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LangSmith

Observability

Tracing, evals and deployment from the LangChain team

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