![ComfyUI raised $30 million in Series A at a $500 million valuation, bringing total raised to $49 million across two formal rounds since its 2023 open-source launch in San Francisco. The round signals strong enterprise appetite for deterministic, human-in-the-loop AI tools even as foundation models rapidly improve. Craft Ventures led the round, joined by Pace Capital, Chemistry, and TruArrow. [Source] reported on 2026-04-25. Use of funds was not explicitly stated in the article, leaving deployment priorities and timeline undisclosed for the San Francisco-based startup founded in 2023. ##Yoland Yan's ComfyUI workflow enables granular AI media control## ComfyUI is a node-based workflow tool that gives creators granular control over image, video, and audio outputs from diffusion models. The project began as an open-source effort in 2023 shortly after diffusion models emerged, when outputs from systems like Midjourney and DALL-E frequently contained major errors such as extra fingers on hands. ComfyUI now claims over 4 million users, with creative professionals, technical artists, VFX studios, animation teams, advertising agencies, and industrial designers adopting the tool. Yoland Yan, co-founder and CEO, said, "If you think about your typical prompt-based solution, like Midjourney or ChatGPT, you ask for something, it [gets only] 60% – 80% there. But to change that remaining 20%, you have to try this slot machine." ##ComfyUI vs. Figma's Weavy: acquisitions vs. $500M independence## Figma acquired Weavy, an AI-powered media generation startup, in 2025, while ComfyUI achieved a $500 million valuation in 2026. The comparison underscores a divergence between consolidation through acquisition and standalone growth for specialized control layers in AI generation. ComfyUI cites a growing job-market signal, with "ComfyUI artist or engineer" appearing on studio job boards as a recognized role for technical creators who require precision beyond prompt boxes. ##Human-in-the-loop control captures eyeballs as AI slop spreads## ComfyUI stated that AI slop proliferation elevates demand for human-in-the-loop workflows that preserve creator intent across image, video, and audio outputs. The company plans to maintain its node-based approach as diffusion models improve, betting that granular control will capture sustained attention in a landscape of commoditized foundation models. ##Control precision wins as generative AI becomes commoditized## ComfyUI faces competitive pressure from acquired and bundled alternatives as studios seek integrated pipelines, yet it retains an installed base of 4 million users who prioritize deterministic editing over prompt-driven variance. The startup asserts that its workflow remains necessary for professional-grade outputs where small, precise changes must not overwrite prior work, positioning the company to serve high-stakes creative and industrial applications that reject casino-like generation loops.](https://krolmarc.com/wp-content/uploads/2026/04/1777146812623-019dc633-e9f2-7670-a8ea-5d04486ca31f.png "ComfyUI $30M Series A $500M Valuation Craft Ventures")
ComfyUI $30M Series A $500M Valuation Craft Ventures
ComfyUI raised $30 million in Series A at a $500 million valuation, bringing total raised to $49 million across two formal rounds since its 2023 open-source launch in San Francisco. The round signals strong enterprise appetite for deterministic, human-in-the-loop AI tools even as foundation models rapidly improve. Craft Ventures led the round, joined by Pace…