---
title: "litgpt vs rtk"
type: "comparison"
canonical_url: "https://www.graphcanon.com/compare/lightning-ai-litgpt-vs-rtk-ai-rtk"
tools: ["lightning-ai-litgpt", "rtk-ai-rtk"]
---

# litgpt vs rtk

Neutral, constraint-first comparison with live GitHub stats.

| | [litgpt](/tools/lightning-ai-litgpt.md) | [rtk](/tools/rtk-ai-rtk.md) |
| --- | --- | --- |
| Tagline | 20+ high-performance LLMs with recipes to pretrain, finetune, and deploy at scale. | CLI proxy reducing LLM token consumption by 60-90% |
| Stars | 13,468 | 69,302 |
| Forks | 1,466 | 4,297 |
| Open issues | 266 | 1,509 |
| Language | Python | Rust |
| License | Apache-2.0 | Apache-2.0 |
| Categories | Model Training, Inference & Serving | Inference & Serving, Developer Tools |

---

**Machine-readable endpoints**

- JSON: [`/api/graphcanon/graph?tool=lightning-ai-litgpt`](/api/graphcanon/graph?tool=lightning-ai-litgpt)
- 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/_