--- title: "DeepSeek-Reasonix vs plandex" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/esengine-deepseek-reasonix-vs-plandex-ai-plandex" tools: ["esengine-deepseek-reasonix", "plandex-ai-plandex"] --- # DeepSeek-Reasonix vs plandex *GraphCanon updated Sep 20, 2026* ## Verdict Pick DeepSeek-Reasonix if deepSeek-Reasonix is a terminal-based AI coding agent designed for stability and continuous operation, built with prompt caching and stability in mind; pick plandex if designed for large-scale projects with features like REPL mode and CLI integration. [DeepSeek-Reasonix](http://reasonix.io/) reports 36k GitHub stars, 2.4k forks, and 1.9k open issues, last pushed Sep 18, 2026. [plandex](https://plandex.ai) has 16k stars, 1.2k forks, and 62 open issues, last pushed Oct 3, 2025. Figures are from public GitHub metadata via [DeepSeek-Reasonix's repository](https://github.com/esengine/DeepSeek-Reasonix) and [plandex's repository](https://github.com/plandex-ai/plandex). | | [DeepSeek-Reasonix](/tools/esengine-deepseek-reasonix.md) | [plandex](/tools/plandex-ai-plandex.md) | | --- | --- | --- | | Tagline | DeepSeek-native AI coding agent for terminal | Open source AI coding agent | | Stars | 35,596 | 15,645 | | Forks | 2,401 | 1,172 | | Open issues | 1,944 | 62 | | Language | Go | Go | | Adopt for | DeepSeek-Reasonix is a terminal-based AI coding agent designed for stability and continuous operation, built with prompt caching and stability in mind. | Designed for large-scale projects with features like REPL mode and CLI integration. | | Persona | - | - | | Runtime | - | - | | License | MIT License | MIT License: Permissive open-source license allowing for free use, modification, and distribution. | | Categories | AI Agents, Developer Tools | AI Agents, Developer Tools | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [DeepSeek-Reasonix](/tools/esengine-deepseek-reasonix.md) | [plandex](/tools/plandex-ai-plandex.md) | | --- | --- | --- | | Maintenance | Very active (96%) | Slowing (36%) | | Days since push | 0d | 351d | | Open issues (now) | 1.9k | 62 | | Stars delta | +953 (30d) | +57 (30d) | | Open issues delta | +511 (30d) | +2 (30d) | | Owner type | User | Organization | | Full report | [trust report](/tools/esengine-deepseek-reasonix/trust.md) | [trust report](/tools/plandex-ai-plandex/trust.md) | ## Decision facts: DeepSeek-Reasonix - **Pricing:** freemium - Free to use under the MIT License, with potential for premium features or services. - **Requirements:** Min 2 GB RAM; Requires a terminal environment for operation. - **Adopt for:** DeepSeek-Reasonix is a terminal-based AI coding agent designed for stability and continuous operation, built with prompt caching and stability in mind. - **License detail:** MIT License ## Decision facts: plandex - **Pricing:** freemium - Primarily an open source tool that supports self-hosting. Requires your own OpenRouter.ai key or other model provider accounts/API keys for model access. - **Requirements:** Requires Docker; Plandex requires Docker for local mode installation.; Installation supports only command-line methods including a one-liner and detailed steps using WSL on Windows machines. - **Adopt for:** Designed for large-scale projects with features like REPL mode and CLI integration. - **License detail:** MIT License: Permissive open-source license allowing for free use, modification, and distribution. ## Choose when ### Choose DeepSeek-Reasonix if… - Pricing: Free to use under the MIT License, with potential for premium features or services.. - Requirements: Min 2 GB RAM; Requires a terminal environment for operation.. - Tags unique to DeepSeek-Reasonix: agent, ai-agent, ai-coding, coding-agent. - When you need a stable AI coding agent that can run continuously in the terminal, leveraging prompt caching for efficiency. ### Choose plandex if… - Pricing: Primarily an open source tool that supports self-hosting. Requires your own OpenRouter.ai key or other model provider accounts/API keys for model access.. - Requirements: Requires Docker; Plandex requires Docker for local mode installation.; Installation supports only command-line methods including a one-liner and detailed steps using WSL on Windows machines.. - Tags unique to plandex: ai-agents, developer-tools, golang, openai. - You are working on extensive software projects where an AI coding agent can assist in managing complexity. ## When NOT to use DeepSeek-Reasonix - If you prefer a graphical user interface over a terminal-based tool, as Reasonix is optimized for CLI and TUI use. - When you do not require DeepSeek-native integration, as Reasonix is specifically designed to work within this ecosystem. ## When NOT to use plandex - If you require cloud-hosting options for extra reliability and convenience since Plandex Cloud is winding down as of 10/3/2025 and no longer accepts new users. - You are working in a Windows environment without WSL, as Plandex only functions correctly on Windows within the WSL shell. ## Common questions ### What is the difference between DeepSeek-Reasonix and plandex? DeepSeek-Reasonix: DeepSeek-native AI coding agent for terminal. plandex: Open source AI coding agent. See the comparison table for live GitHub stats and shared categories. ### When should I choose DeepSeek-Reasonix over plandex? Choose DeepSeek-Reasonix over plandex when Pricing: Free to use under the MIT License, with potential for premium features or services.; Requirements: Min 2 GB RAM; Requires a terminal environment for operation.; Tags unique to DeepSeek-Reasonix: agent, ai-agent, ai-coding, coding-agent; When you need a stable AI coding agent that can run continuously in the terminal, leveraging prompt caching for efficiency. ### When should I choose plandex over DeepSeek-Reasonix? Choose plandex over DeepSeek-Reasonix when Pricing: Primarily an open source tool that supports self-hosting. Requires your own OpenRouter.ai key or other model provider accounts/API keys for model access.; Requirements: Requires Docker; Plandex requires Docker for local mode installation.; Installation supports only command-line methods including a one-liner and detailed steps using WSL on Windows machines.; Tags unique to plandex: ai-agents, developer-tools, golang, openai; You are working on extensive software projects where an AI coding agent can assist in managing complexity. ### When should I avoid DeepSeek-Reasonix? If you prefer a graphical user interface over a terminal-based tool, as Reasonix is optimized for CLI and TUI use. When you do not require DeepSeek-native integration, as Reasonix is specifically designed to work within this ecosystem. ### When should I avoid plandex? If you require cloud-hosting options for extra reliability and convenience since Plandex Cloud is winding down as of 10/3/2025 and no longer accepts new users. You are working in a Windows environment without WSL, as Plandex only functions correctly on Windows within the WSL shell. ### Is DeepSeek-Reasonix or plandex more popular on GitHub? DeepSeek-Reasonix has more GitHub stars (35,596 vs 15,645). Stars measure visibility, not whether either tool fits your constraints. ### Are DeepSeek-Reasonix and plandex open source? Yes - both are open-source projects on GitHub (DeepSeek-Reasonix: MIT, plandex: MIT). ### Where can I find alternatives to DeepSeek-Reasonix or plandex? GraphCanon lists graph-backed alternatives at [DeepSeek-Reasonix alternatives](/tools/esengine-deepseek-reasonix/alternatives) and [plandex alternatives](/tools/plandex-ai-plandex/alternatives) ([DeepSeek-Reasonix markdown twin](/tools/esengine-deepseek-reasonix/alternatives.md), [plandex markdown twin](/tools/plandex-ai-plandex/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/esengine-deepseek-reasonix-vs-plandex-ai-plandex.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, DeepSeek-Reasonix or plandex? DeepSeek-Reasonix: Very active. plandex: Slowing. 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 DeepSeek-Reasonix and plandex? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [DeepSeek-Reasonix trust report](/tools/esengine-deepseek-reasonix/trust); [plandex trust report](/tools/plandex-ai-plandex/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=esengine-deepseek-reasonix`](/api/graphcanon/graph?tool=esengine-deepseek-reasonix) - 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/_