--- title: "leva vs autoarena" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/kieranklaassen-leva-vs-kolenaio-autoarena" tools: ["kieranklaassen-leva", "kolenaio-autoarena"] --- # leva vs autoarena *GraphCanon updated Jul 29, 2026* ## Verdict Pick leva if leva is an LLM evaluation framework for Ruby on Rails apps, aiming to use production data directly in the evaluation process; 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. [leva](https://github.com/kieranklaassen/leva) reports 142 GitHub stars, 7 forks, and 4 open issues, last pushed Jun 3, 2026. [autoarena](https://www.kolena.com/autoarena/) has 108 stars, 9 forks, and 4 open issues, last pushed Dec 16, 2024. Figures are from public GitHub metadata via [leva's repository](https://github.com/kieranklaassen/leva) and [autoarena's repository](https://github.com/kolenaIO/autoarena). | | [leva](/tools/kieranklaassen-leva.md) | [autoarena](/tools/kolenaio-autoarena.md) | | --- | --- | --- | | Tagline | LLM Evaluation Framework for Rails apps | Automated evaluation of LLMs and RAG systems | | Stars | 142 | 108 | | Forks | 7 | 9 | | Open issues | 4 | 4 | | Language | Ruby | TypeScript | | Adopt for | Leva is an LLM evaluation framework for Ruby on Rails apps, aiming to use production data directly in the evaluation process. | 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. | | Persona | - | - | | Runtime | - | - | | License | MIT | Apache-2.0 license | | Categories | Evaluation & Observability | Evaluation & Observability | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [leva](/tools/kieranklaassen-leva.md) | [autoarena](/tools/kolenaio-autoarena.md) | | --- | --- | --- | | Maintenance | Steady (60%) | Dormant (18%) | | Days since push | 55d | 589d | | Owner type | User | Organization | | Full report | [trust report](/tools/kieranklaassen-leva/trust.md) | [trust report](/tools/kolenaio-autoarena/trust.md) | ## Decision facts: leva - **Adopt for:** Leva is an LLM evaluation framework for Ruby on Rails apps, aiming to use production data directly in the evaluation process. ## Decision facts: autoarena - **Hosting:** self hosted - **Requirements:** Python environment and internet access are needed for PyPI installation via pip. - **Adopt for:** 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. - **License detail:** Apache-2.0 license ## Choose when ### Choose leva if… - leva is primarily Ruby; autoarena is TypeScript. - License: leva is MIT, autoarena is Apache-2.0. - Tags unique to leva: llm, rails-apps, ruby-on-rails. - You are working with Ruby on Rails applications and need a tool specific to this environment ### Choose autoarena if… - autoarena is primarily TypeScript; leva is Ruby. - License: autoarena is Apache-2.0, leva is MIT. - Requirements: Python environment and internet access are needed for PyPI installation via pip.. - Tags unique to autoarena: ai, evaluation, rag, 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 leva - If your application is not built using Ruby on Rails, Leva may not be the best fit - For scenarios requiring broader cross-platform support or with non-Rails production data integration needs, consider other tools ## 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. ## Common questions ### What is the difference between leva and autoarena? leva: LLM Evaluation Framework for Rails apps. autoarena: Automated evaluation of LLMs and RAG systems. See the comparison table for live GitHub stats and shared categories. ### When should I choose leva over autoarena? Choose leva over autoarena when leva is primarily Ruby; autoarena is TypeScript; License: leva is MIT, autoarena is Apache-2.0; Tags unique to leva: llm, rails-apps, ruby-on-rails; You are working with Ruby on Rails applications and need a tool specific to this environment. ### When should I choose autoarena over leva? Choose autoarena over leva when autoarena is primarily TypeScript; leva is Ruby; License: autoarena is Apache-2.0, leva is MIT; Requirements: Python environment and internet access are needed for PyPI installation via pip.; Tags unique to autoarena: ai, evaluation, rag, 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 avoid leva? If your application is not built using Ruby on Rails, Leva may not be the best fit For scenarios requiring broader cross-platform support or with non-Rails production data integration needs, consider other tools ### 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. ### Is leva or autoarena more popular on GitHub? leva has more GitHub stars (142 vs 108). Stars measure visibility, not whether either tool fits your constraints. ### Are leva and autoarena open source? Yes - both are open-source projects on GitHub (leva: MIT, autoarena: Apache-2.0). ### Where can I find alternatives to leva or autoarena? GraphCanon lists graph-backed alternatives at [leva alternatives](/tools/kieranklaassen-leva/alternatives) and [autoarena alternatives](/tools/kolenaio-autoarena/alternatives) ([leva markdown twin](/tools/kieranklaassen-leva/alternatives.md), [autoarena markdown twin](/tools/kolenaio-autoarena/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 [this comparison](/compare/kieranklaassen-leva-vs-kolenaio-autoarena.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, leva or autoarena? leva: Steady. autoarena: 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 leva and autoarena? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [leva trust report](/tools/kieranklaassen-leva/trust); [autoarena trust report](/tools/kolenaio-autoarena/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=kieranklaassen-leva`](/api/graphcanon/graph?tool=kieranklaassen-leva) - LLM index: [/llms.txt](/llms.txt) - Full corpus: [/llms-full.txt](/llms-full.txt) _GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_