Quick answer: Run + share + fine-tune AI models — strong for image/video models.
Replicate is an AI model platform built by Replicate, Inc. that lets you run, share, and fine-tune machine learning models through a simple API. It specializes in image and video generation models, offering access to popular open-source models like Stable Diffusion, FLUX, and Llama, alongside proprietary options. Rather than managing your own GPU infrastructure, Replicate handles the compute—you pay only for the seconds your model actually runs. The platform is particularly strong for computer vision tasks: generate, edit, or process images and videos without maintaining expensive hardware. You can also fine-tune models on your own data, train custom versions, and share reproducible results with others through shareable links and webhooks. It's designed for developers, researchers, and creative professionals who need production-ready AI without DevOps overhead.