Comparison
autoarena vs hallucination-index
Verdict
Pick autoarena if autoarena automates evaluations for LLMs and RAG systems through a user-friendly interface where projects are created and judged without manual intervention by the users; pick hallucination-index if hallucination-Index helps users identify LLMs with the lowest propensity for factual errors across varying context lengths and source types.
Markdown twin · autoarena alternatives · hallucination-index alternatives
GraphCanon updated Sep 20, 2026
vs
Trust & integrity
| Signal | autoarena | hallucination-index |
|---|---|---|
| Maintenance | Dormant (642d since push) As of Sep 20, 2026 · github_public_v1 | Dormant (418d since push) As of Sep 20, 2026 · github_public_v1 |
| Provenance | Not a fork · Organization account As of Sep 20, 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 Jul 11, 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
- autoarena
- Automated evaluation of LLMs and RAG systems
- hallucination-index
- Initiative to evaluate and rank popular LLMs based on hallucination propensity
Stars
- autoarena
- 108
- hallucination-index
- 115
Forks
- autoarena
- 9
- hallucination-index
- 8
Open issues
- autoarena
- 4
- hallucination-index
- 1
Language
- autoarena
- TypeScript
- hallucination-index
- -
Adopt for
- autoarena
- autoarena automates evaluations for LLMs and RAG systems through a user-friendly interface where projects are created and judged without manual intervention by the users.
- hallucination-index
- Hallucination-Index helps users identify LLMs with the lowest propensity for factual errors across varying context lengths and source types.
Persona
- autoarena
- -
- hallucination-index
- -
Runtime
- autoarena
- -
- hallucination-index
- -
License
- autoarena
- Apache-2.0 license
- hallucination-index
- -
Last pushed
- autoarena
- Dec 16, 2024
- hallucination-index
- Jul 28, 2025
Categories
- autoarena
- Evaluation & Observability
- hallucination-index
- Evaluation & Observability
Trust and health
Days since push
- autoarena
- 642d
- hallucination-index
- 418d
Open issues (now)
- autoarena
- 4
- hallucination-index
- 1
Stars delta
- autoarena
- 0 (30d)
- hallucination-index
- -1 (30d)
Full report
- autoarena
- Trust report
- hallucination-index
- Trust report
Choose autoarena if…
- Requirements: Python environment and internet access are needed for PyPI installation via pip..
- Tags unique to autoarena: ai, evaluation, testing.
- When you need a TypeScript-based tool to rank LLMs and RAG systems via automated head-to-head comparisons, and a web UI is preferable.
When NOT to use autoarena
- If your environment lacks the necessary Python packages or you cannot install from PyPI due to restrictions.
- When real-time evaluation needs surpass capabilities, such as requiring immediate feedback beyond autoarena's batch-processing approach.
Choose hallucination-index if…
- Tags unique to hallucination-index: hallucinations, large-language-models, openai, retrieval-augmented generation.
- Use when you need to ensure accuracy in short-context tasks, as it tests models like Chain-of-Note prompting techniques specifically for such scenarios.
- More GitHub stars (115 vs 108) - visibility, not fit.
When NOT to use hallucination-index
- Avoid using Hallucination-Index when your application requires real-time evaluation of hallucinations, as it focuses on predefined tests rather than live model performance.
- Do not rely solely on this index if your primary concern is the latest updates to LLM models; its data might not reflect recent improvements in models or the introduction of new ones.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (kolenaIO/autoarena) · observed Sep 20, 2026
- GitHub forks (kolenaIO/autoarena) · observed Sep 20, 2026
- Last push (kolenaIO/autoarena) · observed Dec 16, 2024
- License file (Apache-2.0) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Jul 16, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (rungalileo/hallucination-index) · observed Sep 20, 2026
- GitHub forks (rungalileo/hallucination-index) · observed Sep 20, 2026
- Last push (rungalileo/hallucination-index) · observed Jul 28, 2025
- License file (unknown) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: autoarena 108 · hallucination-index 115 (synced Sep 20, 2026).
Common questions
- What is the difference between autoarena and hallucination-index?
- autoarena: Automated evaluation of LLMs and RAG systems. hallucination-index: Initiative to evaluate and rank popular LLMs based on hallucination propensity. See the comparison table for live GitHub stats and shared categories.
- When should I choose autoarena over hallucination-index?
- Choose autoarena over hallucination-index when Requirements: Python environment and internet access are needed for PyPI installation via pip.; Tags unique to autoarena: ai, evaluation, testing; When you need a TypeScript-based tool to rank LLMs and RAG systems via automated head-to-head comparisons, and a web UI is preferable.
- When should I choose hallucination-index over autoarena?
- Choose hallucination-index over autoarena when Tags unique to hallucination-index: hallucinations, large-language-models, openai, retrieval-augmented generation; Use when you need to ensure accuracy in short-context tasks, as it tests models like Chain-of-Note prompting techniques specifically for such scenarios; More GitHub stars (115 vs 108) - visibility, not fit.
- When should I avoid autoarena?
- If your environment lacks the necessary Python packages or you cannot install from PyPI due to restrictions. When real-time evaluation needs surpass capabilities, such as requiring immediate feedback beyond autoarena's batch-processing approach.
- When should I avoid hallucination-index?
- Avoid using Hallucination-Index when your application requires real-time evaluation of hallucinations, as it focuses on predefined tests rather than live model performance. Do not rely solely on this index if your primary concern is the latest updates to LLM models; its data might not reflect recent improvements in models or the introduction of new ones.
- Is autoarena or hallucination-index more popular on GitHub?
- hallucination-index has more GitHub stars (115 vs 108). Stars measure visibility, not whether either tool fits your constraints.
- Are autoarena and hallucination-index open source?
- Yes - both are open-source projects on GitHub.
- Where can I find alternatives to autoarena or hallucination-index?
- GraphCanon lists graph-backed alternatives at autoarena alternatives and hallucination-index alternatives (autoarena markdown twin, hallucination-index 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, autoarena or hallucination-index?
- autoarena: Dormant. hallucination-index: 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 autoarena and hallucination-index?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: autoarena trust report; hallucination-index trust report.