langtrace
Open-source observability tool for LLMs with OpenTelemetry-based tracing, automated evals, and annotation workflows.
- Score
- 97.8802 signals
- Evidence
- 1,228 stars · 127 forks
- Last commit
- as last read from GitHub; most reads are from 2 Sep 2026 or later
- Listed
Install
No one-command install. Set it up from its source.
Alternatives · Evals
- phoenix11,286 stars · 1,086 forks · 2 mentions99.273
What it is
Open-source observability tool for LLMs with OpenTelemetry-based tracing, automated evals, and annotation workflows.
When to use it
Open-source observability tool for LLMs with OpenTelemetry-based tracing, automated evals, and annotation workflows.
Notes
Curated evals entry. Verified 2026-05-27.