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Free AI Tools for LLM Observability

Browse 3 free and freemium AI tools built for LLM Observability.

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Top Free LLM Observability AI Tools

Discover the best free AI tools tagged LLM Observability — all with free credits or a free plan.

Oodle AI logo

Oodle AI provides agent observability with fast trace search, S3-based storage, and out-of-the-box insights to detect silent failures in AI agents.

Free
Respan logo

Respan is an LLM engineering platform that provides a unified gateway to route, trace, evaluate, and monitor AI agents and LLM calls.

Langfuse logo

Open source AI engineering platform for debugging, monitoring, and improving LLM applications and agents.

What Can LLM Observability AI Tools Do?

The most common use cases across AI tools tagged 'LLM Observability'.

Debugging AI agents in productionMonitoring agent failures like silent errors and tool call issuesOptimizing token usage and LLM costsRunning automated evals on agent performanceBuilding and scaling AI agentsDebugging production LLM issuesOptimizing prompt and model performanceControlling costs and latency for LLM calls

Key Features of LLM Observability AI Tools

The most frequently featured capabilities in AI tools tagged 'LLM Observability'.

Fast search over traces with <1s P99 query timeS3-based storage at $10 per million spans100% trace retention without samplingOut-of-the-box insights for agent failures (e.g., error recovery, high duration, low satisfaction)Evals for accuracy, relevance, and safetyPrompt playground for iterative refinementCost estimation per trace, model, and serviceUnified API gateway for 500+ models with fallback and load balancingReal-time tracing and observability for every LLM callEvaluation workflows combining code checks, LLM judges, and human reviewPrompt management and version control for deploying changesMonitoring dashboard with spend control, alerts, and caching

AI Tool Categories for LLM Observability

AI tools tagged 'LLM Observability' are listed across these categories.

All tools tagged “LLM Observability”

Oodle AI logo

Oodle AI provides agent observability with fast trace search, S3-based storage, and out-of-the-box insights to detect silent failures in AI agents.

Free
Respan logo

Respan is an LLM engineering platform that provides a unified gateway to route, trace, evaluate, and monitor AI agents and LLM calls.

Langfuse logo

Open source AI engineering platform for debugging, monitoring, and improving LLM applications and agents.

FAQ about Free LLM Observability AI Tools

Browse 3 free and freemium AI tools built for LLM Observability.

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