--- title: "LlamaFactory vs llama3.java" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/hiyouga-llamafactory-vs-mukel-llama3-java" tools: ["hiyouga-llamafactory", "mukel-llama3-java"] --- # LlamaFactory vs llama3.java *GraphCanon updated Jul 11, 2026* ## Verdict Pick LlamaFactory when llamaFactory is primarily Python; llama3.java is Java; pick llama3.java when llama3.java is primarily Java; LlamaFactory is Python. [LlamaFactory](https://llamafactory.readthedocs.io) reports 73k GitHub stars, 8.9k forks, and 1.1k open issues, last pushed Jul 10, 2026. [llama3.java](https://github.com/mukel/llama3.java) has 814 stars, 94 forks, and 18 open issues, last pushed Apr 24, 2026. Figures are from public GitHub metadata via [LlamaFactory's repository](https://github.com/hiyouga/LlamaFactory) and [llama3.java's repository](https://github.com/mukel/llama3.java). | | [LlamaFactory](/tools/hiyouga-llamafactory.md) | [llama3.java](/tools/mukel-llama3-java.md) | | --- | --- | --- | | Tagline | Unified Efficient Fine-Tuning of 100+ LLMs & VLMs | Llama 3+ inference in pure Java | | Stars | 73,157 | 814 | | Forks | 8,937 | 94 | | Open issues | 1,067 | 18 | | Language | Python | Java | | Adopt for | LlamaFactory is a sophisticated tool for fine-tuning numerous large language models and visual language models efficiently using various methods such as LoRA, QLoRA, RLHF, and quantization. | - | | Persona | - | - | | Runtime | - | - | | License | Apache-2.0 | MIT | | Categories | LLM Frameworks, Model Training | Inference & Serving, LLM Frameworks, Model Training | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [LlamaFactory](/tools/hiyouga-llamafactory.md) | [llama3.java](/tools/mukel-llama3-java.md) | | --- | --- | --- | | Maintenance | Very active (96%) | Steady (60%) | | Days since push | 0d | 77d | | Open issues (now) | 1.1k | 18 | | Full report | [trust report](/tools/hiyouga-llamafactory/trust.md) | [trust report](/tools/mukel-llama3-java/trust.md) | ## Decision facts: LlamaFactory - **Adopt for:** LlamaFactory is a sophisticated tool for fine-tuning numerous large language models and visual language models efficiently using various methods such as LoRA, QLoRA, RLHF, and quantization. ## Choose when ### Choose LlamaFactory if… - LlamaFactory is primarily Python; llama3.java is Java. - License: LlamaFactory is Apache-2.0, llama3.java is MIT. - Tags unique to LlamaFactory: agent, ai, deepseek, fine-tuning. - When you need to fine-tune over 100 different LLMs or VLMs with efficient methods like LoRA or QLoRA. ### Choose llama3.java if… - llama3.java is primarily Java; LlamaFactory is Python. - License: llama3.java is MIT, LlamaFactory is Apache-2.0. - Tags unique to llama3.java: chatgpt, genai, gguf, huggingface. - Also covers Inference & Serving. ## When NOT to use LlamaFactory - When you are looking to fine-tune less popular or niche models that are not supported within the 100+ models covered by LlamaFactory. - If your project specifically requires custom fine-tuning methods not available in this repository, such as certain versions of PEFT (Parameter Efficient Fine-Tuning) techniques excluding LoRA and QLoa ## When NOT to use llama3.java - Inference & Serving: Self-hosting rarely beats a hosted API on cost until you have steady, high-volume traffic. - LLM Frameworks: Avoid a framework for a single prompt-and-retrieve call; the abstraction can cost more than it saves. - Model Training: Try prompting and RAG first; fine-tuning is the answer to style/format, not missing knowledge. ## Common questions ### What is the difference between LlamaFactory and llama3.java? LlamaFactory: Unified Efficient Fine-Tuning of 100+ LLMs & VLMs. llama3.java: Llama 3+ inference in pure Java. See the comparison table for live GitHub stats and shared categories. ### When should I choose LlamaFactory over llama3.java? Choose LlamaFactory over llama3.java when LlamaFactory is primarily Python; llama3.java is Java; License: LlamaFactory is Apache-2.0, llama3.java is MIT; Tags unique to LlamaFactory: agent, ai, deepseek, fine-tuning; When you need to fine-tune over 100 different LLMs or VLMs with efficient methods like LoRA or QLoRA. ### When should I choose llama3.java over LlamaFactory? Choose llama3.java over LlamaFactory when llama3.java is primarily Java; LlamaFactory is Python; License: llama3.java is MIT, LlamaFactory is Apache-2.0; Tags unique to llama3.java: chatgpt, genai, gguf, huggingface; Also covers Inference & Serving. ### When should I avoid LlamaFactory? When you are looking to fine-tune less popular or niche models that are not supported within the 100+ models covered by LlamaFactory. If your project specifically requires custom fine-tuning methods not available in this repository, such as certain versions of PEFT (Parameter Efficient Fine-Tuning) techniques excluding LoRA and QLoa ### When should I avoid llama3.java? Inference & Serving: Self-hosting rarely beats a hosted API on cost until you have steady, high-volume traffic. LLM Frameworks: Avoid a framework for a single prompt-and-retrieve call; the abstraction can cost more than it saves. Model Training: Try prompting and RAG first; fine-tuning is the answer to style/format, not missing knowledge. ### Is LlamaFactory or llama3.java more popular on GitHub? LlamaFactory has more GitHub stars (73,157 vs 814). Stars measure visibility, not whether either tool fits your constraints. ### Are LlamaFactory and llama3.java open source? Yes - both are open-source projects on GitHub (LlamaFactory: Apache-2.0, llama3.java: MIT). ### Where can I find alternatives to LlamaFactory or llama3.java? GraphCanon lists graph-backed alternatives at [LlamaFactory alternatives](/tools/hiyouga-llamafactory/alternatives) and [llama3.java alternatives](/tools/mukel-llama3-java/alternatives) ([LlamaFactory markdown twin](/tools/hiyouga-llamafactory/alternatives.md), [llama3.java markdown twin](/tools/mukel-llama3-java/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/hiyouga-llamafactory-vs-mukel-llama3-java.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, LlamaFactory or llama3.java? LlamaFactory: Very active. llama3.java: 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 LlamaFactory and llama3.java? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [LlamaFactory trust report](/tools/hiyouga-llamafactory/trust); [llama3.java trust report](/tools/mukel-llama3-java/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=hiyouga-llamafactory`](/api/graphcanon/graph?tool=hiyouga-llamafactory) - 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/_