--- title: "code-eval vs leva" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/abacaj-code-eval-vs-kieranklaassen-leva" tools: ["abacaj-code-eval", "kieranklaassen-leva"] --- # code-eval vs leva *GraphCanon updated Aug 5, 2026* ## Verdict Pick code-eval if code-eval assesses large language models with the human-eval benchmark to provide insights into code generation reliability; pick leva if leva is an LLM evaluation framework for Ruby on Rails apps, aiming to use production data directly in the evaluation process. [code-eval](https://github.com/abacaj/code-eval) reports 431 GitHub stars, 37 forks, and 5 open issues, last pushed Sep 12, 2023. [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 [code-eval's repository](https://github.com/abacaj/code-eval) and [leva's repository](https://github.com/kieranklaassen/leva). | | [code-eval](/tools/abacaj-code-eval.md) | [leva](/tools/kieranklaassen-leva.md) | | --- | --- | --- | | Tagline | Run evaluation on LLMs using human-eval benchmark. | LLM Evaluation Framework for Rails apps | | Stars | 431 | 142 | | Forks | 37 | 7 | | Open issues | 5 | 4 | | Language | Python | Ruby | | Adopt for | code-eval assesses large language models with the human-eval benchmark to provide insights into code generation reliability. | 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 | MIT | | Categories | Evaluation & Observability | Evaluation & Observability | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [code-eval](/tools/abacaj-code-eval.md) | [leva](/tools/kieranklaassen-leva.md) | | --- | --- | --- | | Maintenance | Dormant (18%) | Steady (60%) | | Days since push | 1058d | 55d | | Open issues (now) | 5 | 4 | | Full report | [trust report](/tools/abacaj-code-eval/trust.md) | [trust report](/tools/kieranklaassen-leva/trust.md) | ## Decision facts: code-eval - **Adopt for:** code-eval assesses large language models with the human-eval benchmark to provide insights into code generation reliability. ## 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 code-eval if… - code-eval is primarily Python; leva is Ruby. - Tags unique to code-eval: humaneval, wizardcoder. - When you need clear comparisons of pass rates for different LLMs using standardized tests ### Choose leva if… - leva is primarily Ruby; code-eval is Python. - Tags unique to leva: llm, llm-evaluation, 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 code-eval - If the tool's results do not correlate well with the official published benchmarks due to unknown prompt differences - For real-time or dynamic evaluations as this repo offers pre-computed static results only ## 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 code-eval and leva? code-eval: Run evaluation on LLMs using human-eval benchmark.. leva: LLM Evaluation Framework for Rails apps. See the comparison table for live GitHub stats and shared categories. ### When should I choose code-eval over leva? Choose code-eval over leva when code-eval is primarily Python; leva is Ruby; Tags unique to code-eval: humaneval, wizardcoder; When you need clear comparisons of pass rates for different LLMs using standardized tests. ### When should I choose leva over code-eval? Choose leva over code-eval when leva is primarily Ruby; code-eval is Python; Tags unique to leva: llm, llm-evaluation, 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 code-eval? If the tool's results do not correlate well with the official published benchmarks due to unknown prompt differences For real-time or dynamic evaluations as this repo offers pre-computed static results only ### 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 code-eval or leva more popular on GitHub? code-eval has more GitHub stars (431 vs 142). Stars measure visibility, not whether either tool fits your constraints. ### Are code-eval and leva open source? Yes - both are open-source projects on GitHub (code-eval: MIT, leva: MIT). ### Where can I find alternatives to code-eval or leva? GraphCanon lists graph-backed alternatives at [code-eval alternatives](/tools/abacaj-code-eval/alternatives) and [leva alternatives](/tools/kieranklaassen-leva/alternatives) ([code-eval markdown twin](/tools/abacaj-code-eval/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/abacaj-code-eval-vs-kieranklaassen-leva.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, code-eval or leva? code-eval: 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 code-eval and leva? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [code-eval trust report](/tools/abacaj-code-eval/trust); [leva trust report](/tools/kieranklaassen-leva/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=abacaj-code-eval`](/api/graphcanon/graph?tool=abacaj-code-eval) - 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/_