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Top 8 LLMs From Scratch Alternatives in 2026

Looking for something different? Here are the best tools like LLMs From Scratch.

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LLMs From Scratch

Freemiumโ˜… 4.2

Implement a ChatGPT-like LLM in PyTorch from scratch, step by step

๐Ÿค– Chatbots & Assistants
#1
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Chatgpt On Wechat

Freemiumโ˜… 4.2

ๅŸบไบŽๅคงๆจกๅž‹ๆญๅปบ็š„่Šๅคฉๆœบๅ™จไบบ๏ผŒๅŒๆ—ถๆ”ฏๆŒ ๅพฎไฟกๅ…ฌไผ—ๅทใ€ไผไธšๅพฎไฟกๅบ”็”จใ€้ฃžไนฆใ€้’‰้’‰ ็ญ‰ๆŽฅๅ…ฅ๏ผŒๅฏ้€‰ๆ‹ฉChatGPT/Claude/DeepSeek/ๆ–‡ๅฟƒไธ€่จ€/่ฎฏ้ฃžๆ˜Ÿ็ซ/้€šไน‰ๅƒ้—ฎ/ Gemini/GLM-4/Ki

Same category with shared features: ai, chatgpt

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#2
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Semantic Kernel

Freemiumโ˜… 4.3

Integrate cutting-edge LLM technology quickly and easily into your apps

Same category with shared features: ai, artificial-intelligence

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#3
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Langgraph

Freemiumโ˜… 4.3

Build resilient language agents as graphs.

Same category with shared features: ai, chatgpt

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#4
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System_prompts_leaks

Freemiumโ˜… 4.4

Collection of extracted System Prompts from popular chatbots like ChatGPT, Claude & Gemini

Same category with shared features: ai, chatgpt

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#5
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Khoj

Freemiumโ˜… 4.0

Your AI second brain. Self-hostable. Get answers from the web or your docs. Build custom agents, sch

Same category with shared features: ai, chatgpt

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#6
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Awesome Chatgpt Prompts

Freeโ˜… 4.4

Share, discover, and collect prompts from the community. Free and open source โ€” self-host for your o

Same category with shared features: ai, artificial-intelligence, chatgpt

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#7
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LlamaFactory

Freemiumโ˜… 4.2

Unified Efficient Fine-Tuning of 100+ LLMs & VLMs (ACL 2024)

Same category with shared features: ai

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#8
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Haystack

Freemiumโ˜… 4.2

AI orchestration framework to build customizable, production-ready LLM applications. Connect compone

Same category with shared features: ai

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