Alternatives to Opik (Comet)

Open-source LLM agent observability with tracing, evals, and experiments

Open-source LLM observability for tracing, evaluating, and optimizing AI agents end-to-end.

Open-source AI evaluation and observability for LLMs, RAG, agents, and predictive ML.

Open-source platform for building, hosting, and running language agents in the wild

Open-source AI agent tracing and LLM-as-judge evaluation platform for debugging and improving agent quality.

Open-source OpenTelemetry observability for Python LLM apps

Open source platform to debug, evaluate, monitor, and optimize AI agents and ML models.

Open-source AI observability for privacy-preserving logging and LLM security

Open-source workspace to build, evaluate, and deploy AI agents through chat

Open-source framework to replace vibe checks with reproducible, LLM-driven evaluation loops for RAG and agents.

Open-source LLM observability and prompt management for AI engineering teams.

Free open-source desktop widget tracking tokens, cost, and limits across 29+ AI coding tools.

Free open-source AI usage tracking & analytics for developers

Free local observability for AI coding agents — tokens, cost & traces on your machine.

Open-source, OpenTelemetry-native LLM observability and AI engineering platform for teams.

Open-source agentic AI data assistant for SQL, code, and reports

OpenTelemetry-native observability with AI SRE Agent0 for automated production insight.

AI observability and eval engineering platform that turns offline evals into production guardrails.

AI observability and evals that auto-fix agent code via git

OpenTelemetry-native open-source AI agent evaluation and tracing

Open-source RAG engine with advanced ETL, hybrid search, and visual agent orchestration for enterprise AI.

PostHog is an open-source product OS that unifies analytics, session replay, feature flags, and a data warehouse in one platform.

AI observability and eval engineering platform that turns offline evals into production guardrails.

Open-source Python SDK and self-hosted runtime for building, running, and managing production agent platforms.

Trace, debug, and deploy reliable AI agents with full observability

Microsoft's open-source, code-first agent framework for stateful, data-intensive conversational tasks.

Active observability for AI agents: trace, evaluate, and discover patterns at scale.

AI gateway and LLM observability platform for routing, debugging, and analyzing AI apps

Open-source LLM & VLM evaluation platform for standardized benchmarking

Open-source agent platform fusing knowledge graphs with RAG for explainable enterprise AI