--- title: "open-code-review vs codecompanion.nvim" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/alibaba-open-code-review-vs-olimorris-codecompanion-nvim" tools: ["alibaba-open-code-review", "olimorris-codecompanion-nvim"] --- # open-code-review vs codecompanion.nvim *GraphCanon updated Sep 20, 2026* ## Verdict Pick open-code-review if open-code-review is a hybrid architecture code review tool using deterministic pipelines and an LLM Agent to provide detailed feedback, including specific security rule checks; pick codecompanion.nvim if aI coding plugin for Neovim in Lua with Apache license and support for various LLMs. [open-code-review](https://open-codereview.ai) reports 21k GitHub stars, 1.5k forks, and 126 open issues, last pushed Aug 19, 2026. [codecompanion.nvim](https://codecompanion.olimorris.dev) has 6.9k stars, 457 forks, and 15 open issues, last pushed Sep 19, 2026. Figures are from public GitHub metadata via [open-code-review's repository](https://github.com/alibaba/open-code-review) and [codecompanion.nvim's repository](https://github.com/olimorris/codecompanion.nvim). | | [open-code-review](/tools/alibaba-open-code-review.md) | [codecompanion.nvim](/tools/olimorris-codecompanion-nvim.md) | | --- | --- | --- | | Tagline | Hybrid architecture code review tool with LLM Agent for precise line-level comments and built-in security rule checks. | :rocket: Getting Started | | Stars | 20,812 | 6,862 | | Forks | 1,482 | 457 | | Open issues | 126 | 15 | | Language | Go | Lua | | Adopt for | open-code-review is a hybrid architecture code review tool using deterministic pipelines and an LLM Agent to provide detailed feedback, including specific security rule checks. | AI coding plugin for Neovim in Lua with Apache license and support for various LLMs. | | Persona | - | - | | Runtime | - | - | | License | Apache-2.0 license, providing a balance between permissive usage and explicit patent grants. | Apache-2.0 | | Categories | Developer Tools, LLM Frameworks | Developer Tools, LLM Frameworks | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [open-code-review](/tools/alibaba-open-code-review.md) | [codecompanion.nvim](/tools/olimorris-codecompanion-nvim.md) | | --- | --- | --- | | Open issues (now) | 126 | 15 | | Stars delta | +10k (30d) | +70 (30d) | | Open issues delta | +89 (30d) | +1 (30d) | | Owner type | Organization | User | | Full report | [trust report](/tools/alibaba-open-code-review/trust.md) | [trust report](/tools/olimorris-codecompanion-nvim/trust.md) | ## Decision facts: open-code-review - **Pricing:** freemium - The tool is open-source and free. - **Adopt for:** open-code-review is a hybrid architecture code review tool using deterministic pipelines and an LLM Agent to provide detailed feedback, including specific security rule checks. - **License detail:** Apache-2.0 license, providing a balance between permissive usage and explicit patent grants. ## Decision facts: codecompanion.nvim - **Adopt for:** AI coding plugin for Neovim in Lua with Apache license and support for various LLMs. ## Choose when ### Choose open-code-review if… - open-code-review is primarily Go; codecompanion.nvim is Lua. - Pricing: The tool is open-source and free.. - Tags unique to open-code-review: agent-skills, code-review-assistant, repository-level-context. - When leveraging the capabilities of a large language model (LLM) agent for precise line-level commenting and rule enforcement, especially if you are familiar with or prefer Go in your tech stack. ### Choose codecompanion.nvim if… - codecompanion.nvim is primarily Lua; open-code-review is Go. - Tags unique to codecompanion.nvim: agent-client-protocol, ai-coding, anthropic, claude-code. - codecompanion.nvim ships Docker support for self-hosted deployment. - When you are a Neovim user seeking AI-driven code completion that integrates smoothly into your editor setup. ## When NOT to use open-code-review - For development teams looking for a tool that offers real-time suggestions beyond line-level comments since open-code-review focuses on deterministic pipeline assessments and LLM-generated feedback at - sync events. - When specific integration with frameworks or languages not supported by this tool is crucial, such as those needing more Python-centric integrations which might not align well with its Go-based core. ## When NOT to use codecompanion.nvim - Avoid if your coding involves non-Lua languages and you do not require or support the specific LLMs handled by this plugin. - This tool may not be suitable for developers who prefer code companion tools with broader language or LLM compatibility outside Neovim. ## Common questions ### What is the difference between open-code-review and codecompanion.nvim? open-code-review: Hybrid architecture code review tool with LLM Agent for precise line-level comments and built-in security rule checks.. codecompanion.nvim: :rocket: Getting Started. See the comparison table for live GitHub stats and shared categories. ### When should I choose open-code-review over codecompanion.nvim? Choose open-code-review over codecompanion.nvim when open-code-review is primarily Go; codecompanion.nvim is Lua; Pricing: The tool is open-source and free.; Tags unique to open-code-review: agent-skills, code-review-assistant, repository-level-context; When leveraging the capabilities of a large language model (LLM) agent for precise line-level commenting and rule enforcement, especially if you are familiar with or prefer Go in your tech stack. ### When should I choose codecompanion.nvim over open-code-review? Choose codecompanion.nvim over open-code-review when codecompanion.nvim is primarily Lua; open-code-review is Go; Tags unique to codecompanion.nvim: agent-client-protocol, ai-coding, anthropic, claude-code; codecompanion.nvim ships Docker support for self-hosted deployment; When you are a Neovim user seeking AI-driven code completion that integrates smoothly into your editor setup. ### When should I avoid open-code-review? For development teams looking for a tool that offers real-time suggestions beyond line-level comments since open-code-review focuses on deterministic pipeline assessments and LLM-generated feedback at sync events. When specific integration with frameworks or languages not supported by this tool is crucial, such as those needing more Python-centric integrations which might not align well with its Go-based core. ### When should I avoid codecompanion.nvim? Avoid if your coding involves non-Lua languages and you do not require or support the specific LLMs handled by this plugin. This tool may not be suitable for developers who prefer code companion tools with broader language or LLM compatibility outside Neovim. ### Is open-code-review or codecompanion.nvim more popular on GitHub? open-code-review has more GitHub stars (20,812 vs 6,862). Stars measure visibility, not whether either tool fits your constraints. ### Are open-code-review and codecompanion.nvim open source? Yes - both are open-source projects on GitHub (open-code-review: Apache-2.0, codecompanion.nvim: Apache-2.0). ### Where can I find alternatives to open-code-review or codecompanion.nvim? GraphCanon lists graph-backed alternatives at [open-code-review alternatives](/tools/alibaba-open-code-review/alternatives) and [codecompanion.nvim alternatives](/tools/olimorris-codecompanion-nvim/alternatives) ([open-code-review markdown twin](/tools/alibaba-open-code-review/alternatives.md), [codecompanion.nvim markdown twin](/tools/olimorris-codecompanion-nvim/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/alibaba-open-code-review-vs-olimorris-codecompanion-nvim.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, open-code-review or codecompanion.nvim? open-code-review: Very active. codecompanion.nvim: Very active. 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 open-code-review and codecompanion.nvim? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [open-code-review trust report](/tools/alibaba-open-code-review/trust); [codecompanion.nvim trust report](/tools/olimorris-codecompanion-nvim/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=alibaba-open-code-review`](/api/graphcanon/graph?tool=alibaba-open-code-review) - 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/_