Comparison
evidently vs langtrace
Verdict
Pick evidently if evidently is an open-source framework for evaluating, testing, and monitoring AI systems and data pipelines, offering over 100 metrics for assessing data drift, data quality, and model performance; pick langtrace if langtrace stands out as an open-source observability solution for large language models, offering real-time tracing and evaluation capabilities through the Open Telemetry framework.
Markdown twin · evidently alternatives · langtrace alternatives
GraphCanon updated Sep 20, 2026
16views this month
Trust & integrity
| Signal | evidently | langtrace |
|---|---|---|
| Maintenance | Very active (6d since push) As of Sep 18, 2026 · github_public_v1 | Slowing (306d since push) As of Sep 20, 2026 · github_public_v1 |
| Provenance | Not a fork · Organization account As of Sep 18, 2026 · github_public_v1 | Not a fork · Organization account As of Sep 20, 2026 · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of Sep 18, 2026 · osv@v1 | No lockfile (source not queried) As of Jul 11, 2026 · osv@v1 |
| deps.dev advisories | Not queried deps.dev@v1 | Not queried deps.dev@v1 |
| OpenSSF Scorecard | Not queried openssf-scorecard@v1 | Not queried openssf-scorecard@v1 |
Tagline
- evidently
- An open-source ML and LLM observability framework for evaluating, testing, and monitoring AI systems and data pipelines.
- langtrace
- Open Telemetry based observability tool for LLM applications
Stars
- evidently
- 7.9k
- langtrace
- 1.2k
Forks
- evidently
- 919
- langtrace
- 127
Open issues
- evidently
- 304
- langtrace
- 2
Language
- evidently
- Jupyter Notebook
- langtrace
- TypeScript
Adopt for
- evidently
- Evidently is an open-source framework for evaluating, testing, and monitoring AI systems and data pipelines, offering over 100 metrics for assessing data drift, data quality, and model performance.
- langtrace
- Langtrace stands out as an open-source observability solution for large language models, offering real-time tracing and evaluation capabilities through the Open Telemetry framework.
Persona
- evidently
- -
- langtrace
- -
Runtime
- evidently
- -
- langtrace
- -
License
- evidently
- Evidently is available under the Apache-2.0 license, allowing for free use, modification, and distribution.
- langtrace
- AGPL-3.0
Last pushed
- evidently
- Sep 11, 2026
- langtrace
- Nov 17, 2025
Categories
- evidently
- Evaluation & Observability
- langtrace
- Evaluation & Observability
Trust and health
Maintenance
- evidently
- Very active (96%)
- langtrace
- Slowing (36%)
Days since push
- evidently
- 6d
- langtrace
- 306d
Open issues (now)
- evidently
- 304
- langtrace
- 2
Stars delta
- evidently
- +134 (30d)
- langtrace
- +4 (30d)
Open issues delta
- evidently
- +9 (30d)
- langtrace
- +1 (30d)
Full report
- evidently
- Trust report
- langtrace
- Trust report
Typed relationship
Choose evidently if…
- evidently is primarily Jupyter Notebook; langtrace is TypeScript.
- License: evidently is Apache-2.0, langtrace is AGPL-3.0.
- Pricing: Evidently is free and open-source, but users may incur costs related to hosting and infrastructure when deploying it..
- Requirements: Min 2 GB RAM; Evidently can be installed via pip or conda, making it accessible to users with different package management preferences..
- Evidently and LangTrace both aim to provide observability tools specifically for LLM applications, with overlapping functionality.
- Tags unique to evidently: data-drift, data-quality, data-science, data-validation.
- Use Evidently when you need to evaluate and monitor generative AI systems, as it supports a wide range of metrics specifically tailored for these applications.
When NOT to use evidently
- Avoid Evidently if your project requires real-time monitoring, as it is primarily designed for batch processing and post-deployment evaluation.
- Do not use Evidently if your team is not familiar with Jupyter Notebooks, as this is the primary interface for using the framework.
Choose langtrace if…
- langtrace is primarily TypeScript; evidently is Jupyter Notebook.
- License: langtrace is AGPL-3.0, evidently is Apache-2.0.
- Evidently and LangTrace both aim to provide observability tools specifically for LLM applications, with overlapping functionality.
- Tags unique to langtrace: ai, datasets, evaluations, gpt.
- langtrace ships Docker support for self-hosted deployment.
- When developing or using LLMs and frameworks where end-to-end visibility into every aspect of model performance is crucial.
When NOT to use langtrace
- For teams that do not require real-time tracing and evaluations, as implementing Langtrace might introduce unnecessary overhead.
- When working with non-LLM AI applications or other machine learning models, Langtrace’s specialized features for large language models may not provide much value.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (evidentlyai/evidently) · observed Sep 20, 2026
- GitHub forks (evidentlyai/evidently) · observed Sep 20, 2026
- Last push (evidentlyai/evidently) · observed Sep 11, 2026
- License file (Apache-2.0) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Sep 18, 2026
- Trust scan (lockfile / OSV) · observed Sep 18, 2026
- GitHub stars (Scale3-Labs/langtrace) · observed Sep 20, 2026
- GitHub forks (Scale3-Labs/langtrace) · observed Sep 20, 2026
- Last push (Scale3-Labs/langtrace) · observed Nov 17, 2025
- License file (AGPL-3.0) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Jul 12, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: evidently 7.9k · langtrace 1.2k (synced Sep 20, 2026).
Common questions
- What is the difference between evidently and langtrace?
- evidently: An open-source ML and LLM observability framework for evaluating, testing, and monitoring AI systems and data pipelines.. langtrace: Open Telemetry based 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; Pricing: Evidently is free and open-source, but users may incur costs related to hosting and infrastructure when deploying it.; Requirements: Min 2 GB RAM; Evidently can be installed via pip or conda, making it accessible to users with different package management preferences.; Evidently and LangTrace both aim to provide observability tools specifically for LLM applications, with overlapping functionality; Tags unique to evidently: data-drift, data-quality, data-science, data-validation; Use Evidently when you need to evaluate and monitor generative AI systems, as it supports a wide range of metrics specifically tailored for these applications.
- 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; Evidently and LangTrace both aim to provide observability tools specifically for LLM applications, with overlapping functionality; Tags unique to langtrace: ai, datasets, evaluations, gpt; langtrace ships Docker support for self-hosted deployment; When developing or using LLMs and frameworks where end-to-end visibility into every aspect of model performance is crucial.
- When should I avoid evidently?
- Avoid Evidently if your project requires real-time monitoring, as it is primarily designed for batch processing and post-deployment evaluation. Do not use Evidently if your team is not familiar with Jupyter Notebooks, as this is the primary interface for using the framework.
- When should I avoid langtrace?
- For teams that do not require real-time tracing and evaluations, as implementing Langtrace might introduce unnecessary overhead. When working with non-LLM AI applications or other machine learning models, Langtrace’s specialized features for large language models may not provide much value.
- Is evidently or langtrace more popular on GitHub?
- evidently has more GitHub stars (7,924 vs 1,232). 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 evidently alternatives and langtrace alternatives (evidently markdown twin, langtrace markdown twin), ranked by typed relationship edges rather than popularity votes.
- Is there a machine-readable version of this comparison?
- Yes. The markdown twin at this comparison mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
- Which is better maintained, evidently or langtrace?
- evidently: Very active. 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 trust report; langtrace trust report.