--- title: "athina-evals vs leva" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/athina-ai-athina-evals-vs-kieranklaassen-leva" tools: ["athina-ai-athina-evals", "kieranklaassen-leva"] --- # athina-evals vs leva *GraphCanon updated Jul 29, 2026* ## Verdict Pick athina-evals if athina-evals is a Python SDK developed for facilitating the evaluation of outputs from large language models through predefined metrics and frameworks; pick leva if leva is an LLM evaluation framework for Ruby on Rails apps, aiming to use production data directly in the evaluation process. [athina-evals](https://docs.athina.ai) reports 301 GitHub stars, 22 forks, and 3 open issues, last pushed Jun 6, 2025. [leva](https://github.com/kieranklaassen/leva) has 142 stars, 7 forks, and 4 open issues, last pushed Jun 3, 2026. Figures are from public GitHub metadata via [athina-evals's repository](https://github.com/athina-ai/athina-evals) and [leva's repository](https://github.com/kieranklaassen/leva). | | [athina-evals](/tools/athina-ai-athina-evals.md) | [leva](/tools/kieranklaassen-leva.md) | | --- | --- | --- | | Tagline | Python SDK for evaluating LLM generated responses | LLM Evaluation Framework for Rails apps | | Stars | 301 | 142 | | Forks | 22 | 7 | | Open issues | 3 | 4 | | Language | Python | Ruby | | Adopt for | athina-evals is a Python SDK developed for facilitating the evaluation of outputs from large language models through predefined metrics and frameworks. | Leva is an LLM evaluation framework for Ruby on Rails apps, aiming to use production data directly in the evaluation process. | | Persona | - | - | | Runtime | - | - | | License | - | MIT | | Categories | Evaluation & Observability | Evaluation & Observability | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [athina-evals](/tools/athina-ai-athina-evals.md) | [leva](/tools/kieranklaassen-leva.md) | | --- | --- | --- | | Maintenance | Dormant (18%) | Steady (60%) | | Days since push | 417d | 55d | | Open issues (now) | 3 | 4 | | Owner type | Organization | User | | Full report | [trust report](/tools/athina-ai-athina-evals/trust.md) | [trust report](/tools/kieranklaassen-leva/trust.md) | ## Decision facts: athina-evals - **Adopt for:** athina-evals is a Python SDK developed for facilitating the evaluation of outputs from large language models through predefined metrics and frameworks. ## 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. ## Choose when ### Choose athina-evals if… - athina-evals is primarily Python; leva is Ruby. - Tags unique to athina-evals: evaluation, evaluation-framework, evaluation-metrics, llm-eval. - When comprehensive evaluation of LLM responses is required, leveraging athina's specific tools and metrics ### Choose leva if… - leva is primarily Ruby; athina-evals is Python. - 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 NOT to use athina-evals - If open-source alternatives with transparent customization options are preferred over athina-evals' approach - In scenarios where API access requirements limit the ability to perform evaluations offline or in private environments ## 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 ## Common questions ### What is the difference between athina-evals and leva? athina-evals: Python SDK for evaluating LLM generated responses. leva: LLM Evaluation Framework for Rails apps. See the comparison table for live GitHub stats and shared categories. ### When should I choose athina-evals over leva? Choose athina-evals over leva when athina-evals is primarily Python; leva is Ruby; Tags unique to athina-evals: evaluation, evaluation-framework, evaluation-metrics, llm-eval; When comprehensive evaluation of LLM responses is required, leveraging athina's specific tools and metrics. ### When should I choose leva over athina-evals? Choose leva over athina-evals when leva is primarily Ruby; athina-evals is Python; 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 avoid athina-evals? If open-source alternatives with transparent customization options are preferred over athina-evals' approach In scenarios where API access requirements limit the ability to perform evaluations offline or in private environments ### 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 ### Is athina-evals or leva more popular on GitHub? athina-evals has more GitHub stars (301 vs 142). Stars measure visibility, not whether either tool fits your constraints. ### Are athina-evals and leva open source? Yes - both are open-source projects on GitHub. ### Where can I find alternatives to athina-evals or leva? GraphCanon lists graph-backed alternatives at [athina-evals alternatives](/tools/athina-ai-athina-evals/alternatives) and [leva alternatives](/tools/kieranklaassen-leva/alternatives) ([athina-evals markdown twin](/tools/athina-ai-athina-evals/alternatives.md), [leva markdown twin](/tools/kieranklaassen-leva/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/athina-ai-athina-evals-vs-kieranklaassen-leva.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, athina-evals or leva? athina-evals: Dormant. leva: Steady. 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 athina-evals and leva? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [athina-evals trust report](/tools/athina-ai-athina-evals/trust); [leva trust report](/tools/kieranklaassen-leva/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=athina-ai-athina-evals`](/api/graphcanon/graph?tool=athina-ai-athina-evals) - 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/_