--- title: "LlamaFactory vs index-tts" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/hiyouga-llamafactory-vs-index-tts-index-tts" tools: ["hiyouga-llamafactory", "index-tts-index-tts"] --- # LlamaFactory vs index-tts *GraphCanon updated Jul 11, 2026* ## Verdict Pick LlamaFactory when license: LlamaFactory is Apache-2.0, index-tts is Other; pick index-tts when license: index-tts is Other, LlamaFactory is Apache-2.0. [LlamaFactory](https://llamafactory.readthedocs.io) reports 73k GitHub stars, 8.9k forks, and 1.1k open issues, last pushed Jul 10, 2026. [index-tts](https://github.com/index-tts/index-tts) has 22k stars, 2.7k forks, and 371 open issues, last pushed Jul 8, 2026. Figures are from public GitHub metadata via [LlamaFactory's repository](https://github.com/hiyouga/LlamaFactory) and [index-tts's repository](https://github.com/index-tts/index-tts). | | [LlamaFactory](/tools/hiyouga-llamafactory.md) | [index-tts](/tools/index-tts-index-tts.md) | | --- | --- | --- | | Tagline | Unified Efficient Fine-Tuning of 100+ LLMs & VLMs | An Industrial-Level Controllable and Efficient Zero-Shot Text-To-Speech System | | Stars | 73,157 | 21,789 | | Forks | 8,937 | 2,669 | | Open issues | 1,067 | 371 | | Language | Python | Python | | 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 | Other | | Categories | LLM Frameworks, Model Training | LLM Frameworks, Model Training, Vector Databases | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [LlamaFactory](/tools/hiyouga-llamafactory.md) | [index-tts](/tools/index-tts-index-tts.md) | | --- | --- | --- | | Days since push | 0d | 2d | | Open issues (now) | 1.1k | 371 | | Full report | [trust report](/tools/hiyouga-llamafactory/trust.md) | [trust report](/tools/index-tts-index-tts/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… - License: LlamaFactory is Apache-2.0, index-tts is Other. - 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 index-tts if… - License: index-tts is Other, LlamaFactory is Apache-2.0. - Tags unique to index-tts: bigvgan, cross-lingual, indextts, python. - Also covers Vector Databases. ## 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 index-tts - 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. - Vector Databases: Don't reach for a dedicated vector DB under ~100k vectors; pgvector on your existing Postgres is simpler to operate. ## Common questions ### What is the difference between LlamaFactory and index-tts? LlamaFactory: Unified Efficient Fine-Tuning of 100+ LLMs & VLMs. index-tts: An Industrial-Level Controllable and Efficient Zero-Shot Text-To-Speech System. See the comparison table for live GitHub stats and shared categories. ### When should I choose LlamaFactory over index-tts? Choose LlamaFactory over index-tts when License: LlamaFactory is Apache-2.0, index-tts is Other; 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 index-tts over LlamaFactory? Choose index-tts over LlamaFactory when License: index-tts is Other, LlamaFactory is Apache-2.0; Tags unique to index-tts: bigvgan, cross-lingual, indextts, python; Also covers Vector Databases. ### 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 index-tts? 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. Vector Databases: Don't reach for a dedicated vector DB under ~100k vectors; pgvector on your existing Postgres is simpler to operate. ### Is LlamaFactory or index-tts more popular on GitHub? LlamaFactory has more GitHub stars (73,157 vs 21,789). Stars measure visibility, not whether either tool fits your constraints. ### Are LlamaFactory and index-tts open source? Yes - both are open-source projects on GitHub (LlamaFactory: Apache-2.0, index-tts: Other). ### Where can I find alternatives to LlamaFactory or index-tts? GraphCanon lists graph-backed alternatives at [LlamaFactory alternatives](/tools/hiyouga-llamafactory/alternatives) and [index-tts alternatives](/tools/index-tts-index-tts/alternatives) ([LlamaFactory markdown twin](/tools/hiyouga-llamafactory/alternatives.md), [index-tts markdown twin](/tools/index-tts-index-tts/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-index-tts-index-tts.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, LlamaFactory or index-tts? LlamaFactory: Very active. index-tts: 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 LlamaFactory and index-tts? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [LlamaFactory trust report](/tools/hiyouga-llamafactory/trust); [index-tts trust report](/tools/index-tts-index-tts/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/_