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Fuser is a browser-based, model-agnostic AI workspace for people who actually make things—designers, creative directors, studios, and in-house teams. Most AI tools live at two extremes: one-click toys that spit out a single image, or hardcore toolchains like ComfyUI that assume you have GPUs, config patience, and time. Fuser tries to live in the middle. You get a node-based canvas in your browser where you can wire up text, image, video, audio, 3D, and chatbot/LLM models into multimodal workflows. No local install, no Docker, no drivers. Just open a link and start building. Under the hood, Fuser is provider-agnostic. You can plug in your own API keys from OpenAI, Anthropic, Runway, Fal, OpenRouter, and others, or use Fuser’s own pay-as-you-go credits (which don’t expire). That makes it easier to experiment across models, keep costs visible, and avoid getting locked into a single vendor. The main users are design and creative teams who need to move from brief to concepts quickly: campaign moodboards, product and industrial visualizations, motion tests, content pipelines, and experimental media. Instead of a pile of ad-hoc prompts and screenshots, they get reusable workflows they can share, version, and improve. If you like the power and transparency of node graphs but you’d rather not babysit local installs and drivers, Fuser gives you that orchestration layer as a web app, tuned for people whose job is to ship work, not maintain infra.