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AI for LLM observability

Trace, debug, and monitor LLM calls in production.

#ToolCategoryPricingVisit
1Langfuse

Open-source LLM observability — tracing, evaluation, and prompt management

LLM FrameworksFreeVisit
2Braintrust

Enterprise AI evaluation platform — experiments, datasets, and production monitoring

LLM FrameworksFreemiumVisit
3TruLens

LLM app evaluation and monitoring — measure quality and detect hallucinations in production

LLM FrameworksFreeVisit
4Arize Phoenix

Open-source AI observability

LLM FrameworksFreeVisit
5Humanloop

LLM evaluation and prompt management — improve and deploy AI features in production

LLM FrameworksPaidVisit

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