Écosystème Updated 2026-04

Open Source AI

Definition

Open source AI refers to models and tools whose code and/or weights are freely accessible and modifiable.

See also in the glossary

L
LLM (Large Language Model)
An LLM is an AI model trained on billions of texts, capable of understanding and generating human language.
F
Foundation Model
A foundation model is a large AI model pre-trained on massive data, adaptable to multiple tasks.
F
Fine-tuning
Fine-tuning is the process of retraining an existing AI model on a specific dataset to adapt it to a particular domain or task.
S
Sovereign AI
Sovereign AI refers to a country or region's ability to develop and control its own AI technologies, independently from American or Chinese tech giants.

Tools that use open source ai

O
OpenClaw
The open source AI agent that turns your LLMs into autonomous workers
4.5/5
D
DeepSeek
The open source Chinese model rivaling GPT-4
4.7/5
S
Stable Diffusion
The open source reference for AI image generation
4.4/5
n
n8n
Open source automation for developers
4.8/5

Frequently Asked Questions

Is open source AI as performant?
Increasingly so. DeepSeek R1 rivals GPT-4 while being 100% open source. Llama 4 approaches Claude.
Does open source mean free?
The model is free to download, but running it requires GPUs or a paid cloud service.