Updated March 10, 2026
AgentOps is an open-source observability SDK for AI agents, with session replay, time-travel debugging, and cost tracking across 400+ LLMs and frameworks.
Opik by Comet is an open-source LLM evaluation and observability platform. It provides tracing, evaluation scoring, dataset management, and experiment tracking for LLM applications. Opik supports automated LLM-as-judge evaluations and integrates with popular frameworks like LangChain and LlamaIndex.
Core capabilities each platform advertises.
AgentOpsWhat each tool does well, and the limitations to keep in mind.
AgentOpsPros
Cons
Pros
Cons
Choose AgentOps if you wantChoose if you want
Choose Opik if you wantChoose if you want
Respan lets you trace LLM and agent calls across any model or framework, A/B test prompts on production traffic, and route requests across 1,000+ models through one gateway.
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