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Opik

Observability · Open source

Open-source LLM observability and evaluation platform from Comet for tracing, prompt management, testing, and agent optimization.

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LangWatch

Observability· langwatch.ai

Freemium

The complete LLMOps platform for agent testing, evaluations, prompt management, and production observability across AI applications.

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Review Opik for your team’s requirements before a technical pilot.

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Helicone

Observability· helicone.ai

Freemium

Open-source AI gateway and LLM observability platform for logging, tracing, routing, evaluation, caching, and cost monitoring across model providers and agent stacks.

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Laminar

Observability· laminar.sh

Freemium

Open-source observability, tracing, and evaluation platform built for AI agents.

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Langfuse

Observability· langfuse.com

Freemium

Open-source LLM engineering platform for tracing, evals, prompt management, and metrics so teams can debug and improve production AI applications.

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pip install opik
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