LLMs-from-scratch vs GPTRouter

A neutral, constraint-first comparison - live GitHub stats and typed relationships, not marketing.

LLMs-from-scratchGPTRouter
TaglineImplement a ChatGPT-like LLM in PyTorch from scratchSmoothly Manage Multiple LLMs and Image Models, Speed Up Responses, and Ensure Non-Stop Reliability
Stars99k454
Forks15k38
Open issues410
LanguageJupyter NotebookTypeScript
LicenseOtherMIT
Last pushedJun 2, 2026Apr 10, 2024
CategoriesModel Training, LLM FrameworksLLM Frameworks, Developer Tools

LLMs-from-scratch

Repository containing code and instructions for developing, pretraining, and finetuning a GPT-like large language model (LLM) using PyTorch.

Jupyter Notebook

GPTRouter

GPTRouter is an AI model gateway that allows for seamless management of multiple large language models (LLM) and image generation models. It supports fallback mechanisms, automatic retries, low latency responses, and integration with numerous APIs including OpenAI, Azure, Anthropic among others.

TypeScript