Civitai

Civitai has become the de facto hub for open-source generative image models, offering an enormous, constantly updated library of Stable Diffusion and Flux checkpoints alongside a vibrant community of creators sharing prompts, LoRAs, and finished art. Its in-browser generation tools and Buzz credit system make it easy to test models without local infrastructure, and the challenge/gallery features keep the community engaged, but the sheer volume of content — including inconsistently moderated mature material — can make navigation feel chaotic, and the credit-based monetization model adds a layer of cost and complexity beyond simple browsing. For anyone serious about open-weight image generation, it's an essential bookmark despite its rough edges.