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evidently vs langtrace

evidently (An open-source ML and LLM observability framework.) vs langtrace (Langtrace 🔍 Open Telemetry based end-to-end observability tool for LLM applications) - live GitHub stats and typed graph relationships, not marketing.

Markdown twin · evidently alternatives · langtrace alternatives

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evidently

evidentlyai/evidently

7.7kpushed May 2, 2026
vs

langtrace

Scale3-Labs/langtrace

1.2kpushed Nov 17, 2025

Tagline

evidently
An open-source ML and LLM observability framework.
langtrace
Langtrace 🔍 Open Telemetry based end-to-end observability tool for LLM applications

Stars

evidently
7.7k
langtrace
1.2k

Forks

evidently
874
langtrace
124

Open issues

evidently
285
langtrace
1

Language

evidently
Jupyter Notebook
langtrace
TypeScript

Adopt for

evidently
Evidently is a robust open-source Python library for evaluating, testing, and monitoring both machine learning (ML) and large language model (LLM) systems. It supports 100+ metrics and can handle diverse data types from
langtrace
-

Persona

evidently
-
langtrace
-

Runtime

evidently
-
langtrace
-

License

evidently
Apache-2.0
langtrace
AGPL-3.0

Last pushed

evidently
May 2, 2026
langtrace
Nov 17, 2025

Categories

evidently
Evaluation & Observability
langtrace
Evaluation & Observability

Trust and health

Maintenance

evidently
Steady (60%)
langtrace
Slowing (36%)

Days since push

evidently
66d
langtrace
232d

Open issues (now)

evidently
285
langtrace
1

Full report

evidently
Trust report
langtrace
Trust report

Typed relationship

evidently alternative langtraceBoth Evidently and Langtrace are observability frameworks designed to monitor and track LLM applications, making them alternatives for such tasks.

Shared compatibility

  • Python · evidently: Python runtime · langtrace: Python runtime

Choose evidently if…

  • evidently is primarily Jupyter Notebook; langtrace is TypeScript.
  • License: evidently is Apache-2.0, langtrace is AGPL-3.0.
  • Both Evidently and Langtrace are observability frameworks designed to monitor and track LLM applications, making them alternatives for such tasks.
  • Tags unique to evidently: ml-pipelines, data-science, llm, data-drift.
  • When you need comprehensive evaluation capabilities for generative AI tasks such as sentiment analysis, text length checks, or content validation.

When NOT to use evidently

  • If you're working exclusively with non-textual generative AI models (like image generation) as Evidently primarily focuses on text-related metrics.
  • Evidently Cloud is available for enhanced features like dataset and user management but comes at an additional cost. For those not interested in subscriptions, the open-source version may suffice, but

Choose langtrace if…

  • langtrace is primarily TypeScript; evidently is Jupyter Notebook.
  • License: langtrace is AGPL-3.0, evidently is Apache-2.0.
  • Both Evidently and Langtrace are observability frameworks designed to monitor and track LLM applications, making them alternatives for such tasks.
  • Tags unique to langtrace: llmops, llm-framework, evaluations, ai.
  • langtrace ships Docker support for self-hosted deployment.

When NOT to use langtrace

  • Last GitHub push was 233 days ago (slowing maintenance, Nov 17, 2025). Validate activity before betting a new project on langtrace.
  • Evaluation & Observability: Defer heavyweight eval infra only until you have real traffic - never skip it once users depend on answers.

Explore

Related comparisons

Common questions

What is the difference between evidently and langtrace?
evidently: An open-source ML and LLM observability framework.. langtrace: Langtrace 🔍 Open Telemetry based end-to-end observability tool for LLM applications. See the comparison table for live GitHub stats and shared categories.
When should I choose evidently over langtrace?
Choose evidently over langtrace when evidently is primarily Jupyter Notebook; langtrace is TypeScript; License: evidently is Apache-2.0, langtrace is AGPL-3.0; Both Evidently and Langtrace are observability frameworks designed to monitor and track LLM applications, making them alternatives for such tasks; Tags unique to evidently: ml-pipelines, data-science, llm, data-drift; When you need comprehensive evaluation capabilities for generative AI tasks such as sentiment analysis, text length checks, or content validation.
When should I choose langtrace over evidently?
Choose langtrace over evidently when langtrace is primarily TypeScript; evidently is Jupyter Notebook; License: langtrace is AGPL-3.0, evidently is Apache-2.0; Both Evidently and Langtrace are observability frameworks designed to monitor and track LLM applications, making them alternatives for such tasks; Tags unique to langtrace: llmops, llm-framework, evaluations, ai; langtrace ships Docker support for self-hosted deployment.
When should I avoid evidently?
If you're working exclusively with non-textual generative AI models (like image generation) as Evidently primarily focuses on text-related metrics. Evidently Cloud is available for enhanced features like dataset and user management but comes at an additional cost. For those not interested in subscriptions, the open-source version may suffice, but
When should I avoid langtrace?
Last GitHub push was 233 days ago (slowing maintenance, Nov 17, 2025). Validate activity before betting a new project on langtrace. Evaluation & Observability: Defer heavyweight eval infra only until you have real traffic - never skip it once users depend on answers.
Is evidently or langtrace more popular on GitHub?
evidently has more GitHub stars (7,673 vs 1,213). Stars measure visibility, not whether either tool fits your constraints.
Are evidently and langtrace open source?
Yes - both are open-source projects on GitHub (evidently: Apache-2.0, langtrace: AGPL-3.0).
Where can I find alternatives to evidently or langtrace?
GraphCanon lists graph-backed alternatives at /tools/evidentlyai-evidently/alternatives and /tools/scale3-labs-langtrace/alternatives (/tools/evidentlyai-evidently/alternatives.md, /tools/scale3-labs-langtrace/alternatives.md), ranked by typed relationship edges rather than popularity votes.
Is there a machine-readable version of this comparison?
Yes. The markdown twin at /compare/evidentlyai-evidently-vs-scale3-labs-langtrace.md mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
Which is better maintained, evidently or langtrace?
evidently: Steady. langtrace: Slowing. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.
Where are the full trust reports for evidently and langtrace?
GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: evidently: /tools/evidentlyai-evidently/trust; langtrace: /tools/scale3-labs-langtrace/trust.

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