Agent Evaluation / Agent Tracing
The Best LangSmith Alternatives
Compare LangSmith alternatives by when to choose each option, when it is not ideal, and what to consider before switching.
When to consider an alternative: Use LangSmith when agent quality needs an operating loop, not just ad hoc debugging screenshots.
Last reviewed
May 11, 2026
Alternatives reviewed
3
Alternative tools
OpenTelemetry stack
Custom or external option
Choose OpenTelemetry stack if...
- Choose this path if you need a narrow internal solution, a lower-level primitive, or a tool outside this directory.
Not ideal if...
- Not ideal if you still need a maintained product profile, docs trail, and comparable evaluation criteria.
custom trace store
Custom or external option
Choose custom trace store if...
- Choose this path if you need a narrow internal solution, a lower-level primitive, or a tool outside this directory.
Not ideal if...
- Not ideal if you still need a maintained product profile, docs trail, and comparable evaluation criteria.
Langfuse
Custom or external option
Choose Langfuse if...
- Choose this path if you need a narrow internal solution, a lower-level primitive, or a tool outside this directory.
Not ideal if...
- Not ideal if you still need a maintained product profile, docs trail, and comparable evaluation criteria.
What to consider
- Does the alternative solve the same agent layer, or is it a lower-level building block?
- Will switching improve observability, permission boundaries, state control, or evaluation coverage?
- Can the team validate the migration with one real agent task before replacing the current tool?