tracing
Coverage, reference pages, tools, and guides connected to this topic.
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Langfuse
Open-source observability for LLM and agent applications.
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OpenAI ships Swarm 2 with built-in handoff tracing and per-agent budgets
Swarm 2 introduces a structured handoff log, hard token budgets per agent, and an interoperability shim for LangGraph and CrewAI.