--- title: "caveman vs MegEngine" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/juliusbrussee-caveman-vs-megengine-megengine" tools: ["juliusbrussee-caveman", "megengine-megengine"] --- # caveman vs MegEngine *GraphCanon updated Sep 26, 2026* ## Verdict Pick caveman if caveman reduces token usage by 65% through minimalistic language for coding agents, supporting two sizes and primarily written in Go; pick MegEngine if megEngine是一个快速、可扩展且支持自动求导的深度学习框架，适用于多种平台和环境。它主要用C++编写，并以Apache-2.0许可分发。. [caveman](https://docs.caveman.so/docs/quickstart) reports 106k GitHub stars, 6.2k forks, and 127 open issues, last pushed Sep 18, 2026. [MegEngine](https://megengine.org.cn/) has 4.8k stars, 544 forks, and 173 open issues, last pushed Oct 24, 2024. Figures are from public GitHub metadata via [caveman's repository](https://github.com/JuliusBrussee/caveman) and [MegEngine's repository](https://github.com/MegEngine/MegEngine). | | [caveman](/tools/juliusbrussee-caveman.md) | [MegEngine](/tools/megengine-megengine.md) | | --- | --- | --- | | Tagline | Reduces token usage by 65% through minimalistic language for coding agents | 一个快速、可拓展、易于使用且支持自动求导的深度学习框架 | | Stars | 106,401 | 4,809 | | Forks | 6,165 | 544 | | Open issues | 127 | 173 | | Language | Go | C++ | | Adopt for | Caveman reduces token usage by 65% through minimalistic language for coding agents, supporting two sizes and primarily written in Go. | MegEngine是一个快速、可扩展且支持自动求导的深度学习框架，适用于多种平台和环境。它主要用C++编写，并以Apache-2.0许可分发。 | | Persona | - | - | | Runtime | - | - | | License | Caveman operates under a split license: MIT for the skill, Agent SDK, and initializer, and BSL-1.1 for the engine-linked runtime, which converts to Apache-2.0 by 2030 or four years after shipping. | Apache-2.0 | | Categories | AI Agents, Model Training | Model Training | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [caveman](/tools/juliusbrussee-caveman.md) | [MegEngine](/tools/megengine-megengine.md) | | --- | --- | --- | | Maintenance | Very active (96%) | Dormant (18%) | | Days since push | 0d | 701d | | Open issues (now) | 127 | 173 | | Stars delta | +8.0k (30d) | 0 (30d) | | Open issues delta | -358 (30d) | 0 (30d) | | Owner type | User | Organization | | Full report | [trust report](/tools/juliusbrussee-caveman/trust.md) | [trust report](/tools/megengine-megengine/trust.md) | ## Decision facts: caveman - **Pricing:** freemium - The skill, Agent SDK, and initializer are free under MIT license. Hosting Caveman for third parties requires a commercial license. - **Requirements:** Min 1 GB RAM; Caveman is primarily written in Go and supports two sizes, allowing for flexible deployment. - **Adopt for:** Caveman reduces token usage by 65% through minimalistic language for coding agents, supporting two sizes and primarily written in Go. - **License detail:** Caveman operates under a split license: MIT for the skill, Agent SDK, and initializer, and BSL-1.1 for the engine-linked runtime, which converts to Apache-2.0 by 2030 or four years after shipping. ## Decision facts: MegEngine - **Adopt for:** MegEngine是一个快速、可扩展且支持自动求导的深度学习框架，适用于多种平台和环境。它主要用C++编写，并以Apache-2.0许可分发。 ## Choose when ### Choose caveman if… - caveman is primarily Go; MegEngine is C++. - License: caveman is Other, MegEngine is Apache-2.0. - Pricing: The skill, Agent SDK, and initializer are free under MIT license. Hosting Caveman for third parties requires a commercial license.. - Requirements: Min 1 GB RAM; Caveman is primarily written in Go and supports two sizes, allowing for flexible deployment.. - Tags unique to caveman: ai, anthropic, caveman, claude. - Also covers AI Agents. - caveman ships Docker support for self-hosted deployment. - When you need to significantly reduce token usage in coding agents, as Caveman can cut usage by 65% through its simplified language style. ### Choose MegEngine if… - MegEngine is primarily C++; caveman is Go. - License: MegEngine is Apache-2.0, caveman is Other. - Tags unique to MegEngine: autograd, deep-learning, gpu, machine-learning. - - 当您需要在Linux、Windows（WSL或直接）、MacOS（仅限CPU）和Android设备（仅限CPU）上使用Python进行深度学习项目时 ## When NOT to use caveman - If your project requires a fully OSI-approved open-source license, as Caveman's engine-linked runtime is BSL-1.1, which is not OSI-approved until a future date. - When you need a tool that does not involve a trademarked name and logo, as Caveman is trademarked and has specific guidelines for its use. ## When NOT to use MegEngine - - Python3.63.9，，MegEnginePython ## Common questions ### What is the difference between caveman and MegEngine? caveman: Reduces token usage by 65% through minimalistic language for coding agents. MegEngine: 一个快速、可拓展、易于使用且支持自动求导的深度学习框架. See the comparison table for live GitHub stats and shared categories. ### When should I choose caveman over MegEngine? Choose caveman over MegEngine when caveman is primarily Go; MegEngine is C++; License: caveman is Other, MegEngine is Apache-2.0; Pricing: The skill, Agent SDK, and initializer are free under MIT license. Hosting Caveman for third parties requires a commercial license.; Requirements: Min 1 GB RAM; Caveman is primarily written in Go and supports two sizes, allowing for flexible deployment.; Tags unique to caveman: ai, anthropic, caveman, claude; Also covers AI Agents; caveman ships Docker support for self-hosted deployment; When you need to significantly reduce token usage in coding agents, as Caveman can cut usage by 65% through its simplified language style. ### When should I choose MegEngine over caveman? Choose MegEngine over caveman when MegEngine is primarily C++; caveman is Go; License: MegEngine is Apache-2.0, caveman is Other; Tags unique to MegEngine: autograd, deep-learning, gpu, machine-learning; - 当您需要在Linux、Windows（WSL或直接）、MacOS（仅限CPU）和Android设备（仅限CPU）上使用Python进行深度学习项目时. ### When should I avoid caveman? If your project requires a fully OSI-approved open-source license, as Caveman's engine-linked runtime is BSL-1.1, which is not OSI-approved until a future date. When you need a tool that does not involve a trademarked name and logo, as Caveman is trademarked and has specific guidelines for its use. ### When should I avoid MegEngine? - Python3.63.9，，MegEnginePython ### Is caveman or MegEngine more popular on GitHub? caveman has more GitHub stars (106,401 vs 4,809). Stars measure visibility, not whether either tool fits your constraints. ### Are caveman and MegEngine open source? Yes - both are open-source projects on GitHub (caveman: Other, MegEngine: Apache-2.0). ### Where can I find alternatives to caveman or MegEngine? GraphCanon lists graph-backed alternatives at [caveman alternatives](/tools/juliusbrussee-caveman/alternatives) and [MegEngine alternatives](/tools/megengine-megengine/alternatives) ([caveman markdown twin](/tools/juliusbrussee-caveman/alternatives.md), [MegEngine markdown twin](/tools/megengine-megengine/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/juliusbrussee-caveman-vs-megengine-megengine.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, caveman or MegEngine? caveman: Very active. MegEngine: Dormant. 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 caveman and MegEngine? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [caveman trust report](/tools/juliusbrussee-caveman/trust); [MegEngine trust report](/tools/megengine-megengine/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=juliusbrussee-caveman`](/api/graphcanon/graph?tool=juliusbrussee-caveman) - 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/_