Comparison
uqlm vs ell
Verdict
Pick uqlm if uqlm offers specialized Python capabilities for quantifying uncertainty to improve confidence in language model outputs and reduce hallucinations; pick ell if ell is a Python-based language model development library and prompt engineering tool.
Markdown twin · uqlm alternatives · ell alternatives
GraphCanon updated 2w
Trust & integrity
| Signal | uqlm | ell |
|---|---|---|
| Maintenance | Very active (4d since push) As of 2w · github_public_v1 | Dormant (417d since push) As of 4w · github_public_v1 |
| Provenance | Not a fork · Organization account As of 2w · github_public_v1 | Not a fork · Personal account As of 4w · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of 1mo · osv@v1 | No lockfile (source not queried) As of 1mo · 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
- uqlm
- A Python package for uncertainty quantification in LLM hallucination detection
- ell
- A language model programming library
Stars
- uqlm
- 1.2k
- ell
- 5.9k
Forks
- uqlm
- 129
- ell
- 343
Open issues
- uqlm
- 25
- ell
- 186
Language
- uqlm
- Python
- ell
- Python
Adopt for
- uqlm
- uqlm offers specialized Python capabilities for quantifying uncertainty to improve confidence in language model outputs and reduce hallucinations.
- ell
- ell is a Python-based language model development library and prompt engineering tool.
Persona
- uqlm
- -
- ell
- -
Runtime
- uqlm
- -
- ell
- -
License
- uqlm
- Apache-2.0
- ell
- MIT - Permissive free software license
Last pushed
- uqlm
- Aug 3, 2026
- ell
- Jun 5, 2025
Categories
- uqlm
- Evaluation & Observability
- ell
- LLM Frameworks
Trust and health
Maintenance
- uqlm
- Very active (96%)
- ell
- Dormant (18%)
Days since push
- uqlm
- 4d
- ell
- 417d
Open issues (now)
- uqlm
- 25
- ell
- 186
Owner type
- uqlm
- Organization
- ell
- User
Full report
- uqlm
- Trust report
- ell
- Trust report
Shared compatibility
- Python · uqlm: Python runtime · ell: Python runtime
Choose uqlm if…
- License: uqlm is Apache-2.0, ell is MIT.
- Tags unique to uqlm: ai safety, ai-evaluation, confidence-estimation, hallucination-detection.
- Also covers Evaluation & Observability.
- When precise estimation of confidence scores is needed to ensure reliability in language model predictions.
When NOT to use uqlm
- If working exclusively with non-language-based machine learning models, as uqlm focuses on text outputs from LLMs.
- When simple plug-and-play performance metrics suffice; uqlm requires a more intricate setup for uncertainty quantification and confidence estimation.
Choose ell if…
- License: ell is MIT, uqlm is Apache-2.0.
- Pricing: Free to use under MIT License, with no premium plans mentioned..
- Tags unique to ell: ai, prompt-engineering.
- Also covers LLM Frameworks.
- When you require a dedicated Python framework for developing custom language models and fine-tuning them with specific prompts for your application.
When NOT to use ell
- If you prefer JavaScript or other languages over Python, consider alternative frameworks that support the language of your choice.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (cvs-health/uqlm) · observed Aug 8, 2026
- GitHub forks (cvs-health/uqlm) · observed Aug 8, 2026
- Last push (cvs-health/uqlm) · observed Aug 3, 2026
- License file (Apache-2.0) · observed Aug 8, 2026
- Decision facts (enrichment) · observed Jul 14, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (MadcowD/ell) · observed Jul 28, 2026
- GitHub forks (MadcowD/ell) · observed Jul 28, 2026
- Last push (MadcowD/ell) · observed Jun 5, 2025
- License file (MIT) · observed Jul 28, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: uqlm 1.2k · ell 5.9k (synced Aug 8, 2026).
Common questions
- What is the difference between uqlm and ell?
- uqlm: A Python package for uncertainty quantification in LLM hallucination detection. ell: A language model programming library. See the comparison table for live GitHub stats and shared categories.
- When should I choose uqlm over ell?
- Choose uqlm over ell when License: uqlm is Apache-2.0, ell is MIT; Tags unique to uqlm: ai safety, ai-evaluation, confidence-estimation, hallucination-detection; Also covers Evaluation & Observability; When precise estimation of confidence scores is needed to ensure reliability in language model predictions.
- When should I choose ell over uqlm?
- Choose ell over uqlm when License: ell is MIT, uqlm is Apache-2.0; Pricing: Free to use under MIT License, with no premium plans mentioned.; Tags unique to ell: ai, prompt-engineering; Also covers LLM Frameworks; When you require a dedicated Python framework for developing custom language models and fine-tuning them with specific prompts for your application.
- When should I avoid uqlm?
- If working exclusively with non-language-based machine learning models, as uqlm focuses on text outputs from LLMs. When simple plug-and-play performance metrics suffice; uqlm requires a more intricate setup for uncertainty quantification and confidence estimation.
- When should I avoid ell?
- If you prefer JavaScript or other languages over Python, consider alternative frameworks that support the language of your choice.
- Is uqlm or ell more popular on GitHub?
- ell has more GitHub stars (5,869 vs 1,188). Stars measure visibility, not whether either tool fits your constraints.
- Are uqlm and ell open source?
- Yes - both are open-source projects on GitHub (uqlm: Apache-2.0, ell: MIT).
- Where can I find alternatives to uqlm or ell?
- GraphCanon lists graph-backed alternatives at uqlm alternatives and ell alternatives (uqlm markdown twin, ell 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, uqlm or ell?
- uqlm: Very active. ell: Dormant. 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 uqlm and ell?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: uqlm trust report; ell trust report.