--- title: "agentsys vs coder_reviewer_reranking" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/agent-sh-agentsys-vs-facebookresearch-coder-reviewer-reranking" tools: ["agent-sh-agentsys", "facebookresearch-coder-reviewer-reranking"] --- # agentsys vs coder_reviewer_reranking *GraphCanon updated Aug 12, 2026* ## Verdict Pick agentsys if agentsys supports automation through AI agents that handle various coding environments with plugins and skills; pick coder_reviewer_reranking if coder_reviewer_reranking is specialized for reranking generated code snippets based on predefined criteria to improve their quality and reliability. [agentsys](https://agent-sh.github.io/agentsys/) reports 962 GitHub stars, 111 forks, and 0 open issues, last pushed Jul 26, 2026. [coder_reviewer_reranking](https://github.com/facebookresearch/coder_reviewer_reranking) has 45 stars, 9 forks, and 1 open issues, last pushed Feb 14, 2023. Figures are from public GitHub metadata via [agentsys's repository](https://github.com/agent-sh/agentsys) and [coder_reviewer_reranking's repository](https://github.com/facebookresearch/coder_reviewer_reranking). | | [agentsys](/tools/agent-sh-agentsys.md) | [coder_reviewer_reranking](/tools/facebookresearch-coder-reviewer-reranking.md) | | --- | --- | --- | | Tagline | AI writes code to automate workflows and tasks | Official code for paper on Coder Reviewer Reranking in Code Generation | | Stars | 962 | 45 | | Forks | 111 | 9 | | Open issues | 0 | 1 | | Language | JavaScript | Python | | Adopt for | agentsys supports automation through AI agents that handle various coding environments with plugins and skills. | coder_reviewer_reranking is specialized for reranking generated code snippets based on predefined criteria to improve their quality and reliability. | | Persona | - | - | | Runtime | - | - | | License | MIT | Other license | | Categories | AI Agents, Developer Tools | Developer Tools | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [agentsys](/tools/agent-sh-agentsys.md) | [coder_reviewer_reranking](/tools/facebookresearch-coder-reviewer-reranking.md) | | --- | --- | --- | | Maintenance | Active (82%) | Archived (8%) | | Days since push | 16d | 1267d | | Archived on GitHub | No | Yes | | Open issues (now) | 0 | 1 | | Full report | [trust report](/tools/agent-sh-agentsys/trust.md) | [trust report](/tools/facebookresearch-coder-reviewer-reranking/trust.md) | ## Decision facts: agentsys - **Pricing:** freemium - MIT licensed tool offers open access for free but may include premium plugins or skills. - **Requirements:** Min 2 GB RAM; Requires modern JavaScript environment to run effectively.; Ensure internet connectivity due to reliance on plugins and skills that may require update downloads or external API access for certain functionalities. - **Adopt for:** agentsys supports automation through AI agents that handle various coding environments with plugins and skills. ## Decision facts: coder_reviewer_reranking - **Requirements:** Min 4 GB RAM; Specifically relies on installing pyminifier which might necessitate reverting setuptools to an older version (57.5.0).; Involves the use of torch==1.12.1, requiring a distribution compatible with your hardware. - **Adopt for:** coder_reviewer_reranking is specialized for reranking generated code snippets based on predefined criteria to improve their quality and reliability. - **License detail:** Other license ## Choose when ### Choose agentsys if… - agentsys is primarily JavaScript; coder_reviewer_reranking is Python. - License: agentsys is MIT, coder_reviewer_reranking is Other. - Pricing: MIT licensed tool offers open access for free but may include premium plugins or skills.. - Requirements: Min 2 GB RAM; Requires modern JavaScript environment to run effectively.; Ensure internet connectivity due to reliance on plugins and skills that may require update downloads or external API access for certain functionalities.. - Tags unique to agentsys: agent, ai, automation, autonomous-agents. - Also covers AI Agents. - Use when you need to automate complex workflows in JavaScript-heavy projects, as it integrates well with JavaScript environments like Claude Code. ### Choose coder_reviewer_reranking if… - coder_reviewer_reranking is primarily Python; agentsys is JavaScript. - License: coder_reviewer_reranking is Other, agentsys is MIT. - Requirements: Min 4 GB RAM; Specifically relies on installing pyminifier which might necessitate reverting setuptools to an older version (57.5.0).; Involves the use of torch==1.12.1, requiring a distribution compatible with your hardware.. - Tags unique to coder_reviewer_reranking: code generation, data sets, evaluation, reranking. - When you need to refine and enhance the output from initial code generation models, such as the OpenAI codex API. ## When NOT to use agentsys - Avoid for teams not proficient in JavaScript or those preferring languages where agentsys does not provide comparable support. - Do not use if your project scope is better served by competitors with more specialized skill sets that align closely with niche requirements, as opposed to the general utility approach of agentsys. ## When NOT to use coder_reviewer_reranking - When using a different Python version than 3.8.13 as it might result in compatibility issues. - If real-time code generation is required, given the setup intricacies and specific dependencies that may affect quick turnaround times. ## Common questions ### What is the difference between agentsys and coder_reviewer_reranking? agentsys: AI writes code to automate workflows and tasks. coder_reviewer_reranking: Official code for paper on Coder Reviewer Reranking in Code Generation. See the comparison table for live GitHub stats and shared categories. ### When should I choose agentsys over coder_reviewer_reranking? Choose agentsys over coder_reviewer_reranking when agentsys is primarily JavaScript; coder_reviewer_reranking is Python; License: agentsys is MIT, coder_reviewer_reranking is Other; Pricing: MIT licensed tool offers open access for free but may include premium plugins or skills.; Requirements: Min 2 GB RAM; Requires modern JavaScript environment to run effectively.; Ensure internet connectivity due to reliance on plugins and skills that may require update downloads or external API access for certain functionalities.; Tags unique to agentsys: agent, ai, automation, autonomous-agents; Also covers AI Agents; Use when you need to automate complex workflows in JavaScript-heavy projects, as it integrates well with JavaScript environments like Claude Code. ### When should I choose coder_reviewer_reranking over agentsys? Choose coder_reviewer_reranking over agentsys when coder_reviewer_reranking is primarily Python; agentsys is JavaScript; License: coder_reviewer_reranking is Other, agentsys is MIT; Requirements: Min 4 GB RAM; Specifically relies on installing pyminifier which might necessitate reverting setuptools to an older version (57.5.0).; Involves the use of torch==1.12.1, requiring a distribution compatible with your hardware.; Tags unique to coder_reviewer_reranking: code generation, data sets, evaluation, reranking; When you need to refine and enhance the output from initial code generation models, such as the OpenAI codex API. ### When should I avoid agentsys? Avoid for teams not proficient in JavaScript or those preferring languages where agentsys does not provide comparable support. Do not use if your project scope is better served by competitors with more specialized skill sets that align closely with niche requirements, as opposed to the general utility approach of agentsys. ### When should I avoid coder_reviewer_reranking? When using a different Python version than 3.8.13 as it might result in compatibility issues. If real-time code generation is required, given the setup intricacies and specific dependencies that may affect quick turnaround times. ### Is agentsys or coder_reviewer_reranking more popular on GitHub? agentsys has more GitHub stars (962 vs 45). Stars measure visibility, not whether either tool fits your constraints. ### Are agentsys and coder_reviewer_reranking open source? Yes - both are open-source projects on GitHub (agentsys: MIT, coder_reviewer_reranking: Other). ### Where can I find alternatives to agentsys or coder_reviewer_reranking? GraphCanon lists graph-backed alternatives at [agentsys alternatives](/tools/agent-sh-agentsys/alternatives) and [coder_reviewer_reranking alternatives](/tools/facebookresearch-coder-reviewer-reranking/alternatives) ([agentsys markdown twin](/tools/agent-sh-agentsys/alternatives.md), [coder_reviewer_reranking markdown twin](/tools/facebookresearch-coder-reviewer-reranking/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/agent-sh-agentsys-vs-facebookresearch-coder-reviewer-reranking.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, agentsys or coder_reviewer_reranking? agentsys: Active. coder_reviewer_reranking: Archived. 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 agentsys and coder_reviewer_reranking? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [agentsys trust report](/tools/agent-sh-agentsys/trust); [coder_reviewer_reranking trust report](/tools/facebookresearch-coder-reviewer-reranking/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=agent-sh-agentsys`](/api/graphcanon/graph?tool=agent-sh-agentsys) - 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/_