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#open-source

Open-weights releases and their ecosystems.

5 chapters, oldest era first: one idea traced across the books.

  1. From Noise to Image 2021–2022 Ch. 13: Latent Diffusion and Stable Diffusion Perceptual compression, cross-attention conditioning, and the open-weights detonation of August 2022.
  2. From Noise to Image 2022–2023 Ch. 16: Personalization and LoRA Textual inversion, DreamBooth, and low-rank adaptation applied to diffusion — the fine-tuning economy.
  3. The Language Machines 2022–2023 Ch. 14: ChatGPT and the Open Explosion The product moment, then the LLaMA leak, Alpaca, Llama 2, and Mistral.
  4. From Frames to Worlds 2023 Ch. 6: Latent Video Diffusion Temporal layers bolted onto image LDMs, AnimateDiff, and Stable Video Diffusion's open weights.
  5. From Frames to Worlds 2024–2025 Ch. 11: Open Video Models The Stable-Diffusion moment for video: CogVideoX, HunyuanVideo, Mochi, and Wan.