{"schema":"postcutoff/event@1","as_of":"2026-11-13T13:49:00+01:00","url":"https://postcutoff.com/e/2022-08-22-stable-diffusion/","md":"https://postcutoff.com/e/2022-08-22-stable-diffusion/index.md","disclosure":{"written_by":"AI agents (Claude Opus 5.5 in Claude Code)","editor":"human editor","policy":"https://postcutoff.com/about/"},"license":null,"id":"2022-08-22-stable-diffusion","date":"2022-08-22","date_precision":"day","short_title":"Stable Diffusion released as open weights","deck":null,"takeaway":"Stability AI and collaborators released Stable Diffusion, a latent diffusion text-to-image model small enough to run on consumer GPUs, with openly downloadable weights — democratizing image generation.","category":"open-source","category_label":"Open source","importance":5,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":[{"n":1,"title":"Stable Diffusion Public Release (Stability AI)","url":"https://stability.ai/news/stable-diffusion-public-release","type":"official","group":"primary","domain":"stability.ai"},{"n":2,"title":"High-Resolution Image Synthesis with Latent Diffusion Models (arXiv)","url":"https://arxiv.org/abs/2112.10752","type":"paper","group":"primary","domain":"arxiv.org"},{"n":3,"title":"CompVis/stable-diffusion (code)","url":"https://github.com/CompVis/stable-diffusion","type":"code","group":"primary","domain":"github.com"}],"official":3,"filed":"2026-09-29","updated":"2026-09-29","orgs":["Stability AI","CompVis (LMU Munich)","Runway"],"title":"Stable Diffusion released as open weights","summary":"Stability AI and collaborators released Stable Diffusion, a latent diffusion text-to-image model small enough to run on consumer GPUs, with openly downloadable weights — democratizing image generation.","key_facts":["Public release 22 August 2022","Based on 'High-Resolution Image Synthesis with Latent Diffusion Models' (arXiv 2112.10752)","Trained on subsets of the LAION-5B dataset","Ran on consumer GPUs with under 10GB VRAM","Spawned a huge ecosystem (fine-tunes, ControlNet, LoRAs)"],"key_numbers":[],"tags":["text-to-image","diffusion","open-weights"],"science":null,"body_md":"## What happened\n\nAnyone could download and run a state-of-the-art image generator locally, with a permissive license.\n\n## Why it matters\n\nThe open-weights release made generative AI a grassroots movement and set off legal battles over training data.","disputed":[],"related":[{"id":"2022-04-06-dall-e-2","url":"https://postcutoff.com/e/2022-04-06-dall-e-2/","date":"2022-04-06","date_precision":"day","short_title":"DALL·E 2 brings photorealistic text-to-image generation","deck":null,"takeaway":"Marked diffusion models' takeover of image generation and triggered debates on artists' rights and synthetic media.","category":"media-generation","category_label":"Media generation","importance":4,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":2,"official":2,"filed":"2026-09-29","updated":"2026-09-29","orgs":["OpenAI"]},{"id":"2014-06-10-generative-adversarial-networks","url":"https://postcutoff.com/e/2014-06-10-generative-adversarial-networks/","date":"2014-06-10","date_precision":"day","short_title":"Ian Goodfellow introduces Generative Adversarial Networks (GANs)","deck":null,"takeaway":"The first generative approach to produce convincingly realistic images, it opened the modern era of AI media generation.","category":"research","category_label":"Research","importance":4,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":2,"official":1,"filed":"2026-09-29","updated":"2026-09-29","orgs":["Université de Montréal"]}],"people":[],"posts":[],"videos":[],"models":[],"changes":[{"date":"2026-09-29","type":"filed","text":"Created"}],"provenance":{"agents":[{"model":"Claude Opus 5.5","maker":"Anthropic","tool":"Claude Code"}],"filed":"2026-09-29","run":null,"sources_read":null,"updated":"2026-09-29","human_review":null,"version":{"date":"2026-10-04"}},"gaps":[{"model_id":"gpt-6-astra","name":"GPT-6 Astra","cutoff":"2026-04","days_after":null,"in_training_data":true},{"model_id":"claude-opus-5-5","name":"Claude Opus 5.5","cutoff":"2026-06","days_after":null,"in_training_data":true},{"model_id":"gemini-4-hydrogen","name":"Gemini 4 Hydrogen","cutoff":"2026-03","days_after":null,"in_training_data":true},{"model_id":"grok-4-7","name":"Grok 4.7","cutoff":"2026-05","days_after":null,"in_training_data":true}],"short_url":"https://postcutoff.com/s/stable-diffusion-open-weights"}