Open Source
2 concepts

Beginner
Open Source
Open-Source AI
AI models, weights, and tools that are publicly available — now matching closed-source frontier models on major benchmarks, democratizing access to advanced capabilities.

Intermediate
Open Source
Difference Between Open Weights
Open weights means model parameters are downloadable; true open source includes weights, training code, data, and a permissive license — most "open" AI models are open weights only.