Tracing
See exactly what your agent did
Vektor captures every span in an agent's execution graph — from the initial prompt to the final response. OpenTelemetry-compatible. Works with every major framework.
Trace schema
Live trace · span_id: sp_8f4a2c19
span_idsp_8f4a2c19string
agent_namesupport-v3.1string
modelgpt-4ostring
latency_ms342number
tool_calls3number
tokens_in1204number
tokens_out487number
eval_score0.94number
memory_reads2number
statussuccessenum
Auto-instrumentation
Zero-config wrappers for LangChain, LlamaIndex, CrewAI, and plain OpenAI calls.
DAG visualization
Visualize agent execution as an interactive directed acyclic graph in the Vektor dashboard.
Replay & diff
Replay any trace with a modified prompt or model. Diff outputs side-by-side.