Supported Libraries

Maev automatically instruments all major LLM libraries. You do not need to change your existing code or add any library-specific configuration.

LLM providers

Frameworks

What gets captured per library

For every LLM call, Maev captures:

• Model name and version
• Input prompt (truncated at 500 characters per event)
• Output completion (truncated at 500 characters per event)
• Token counts (prompt, completion, total)
• Cost (computed from token counts and model pricing)
• Latency in milliseconds
• Any error messages

For tool/function calls, Maev additionally captures:

• Tool name
• Tool input arguments
• Tool output or error

Not seeing your library?

Maev captures telemetry at the OpenTelemetry layer, which means any library that emits standard OpenTelemetry spans will work automatically. If your library is not in the list above, open an issue or contact support.