ComfyUI, a startup that helps creators control image, video, and audio outputs from diffusion models with a node-based workflow, has raised a $30 million funding round at a $500 million valuation.<\/p>\n
The round was led by Craft Ventures, with participation from other investors including Pace Capital, Chemistry, and TruArrow.<\/p>\n
ComfyUI was started as an open-source project in 2023, shortly after the introduction of diffusion models. At that time, models like Midjourney and OpenAI\u2019s DALL-E were barely functional, frequently making major mistakes, such as adding extra fingers to hands.<\/p>\n
To address these limitations, the project founders developed a modular framework that gives creators granular control over every step of the generation process.<\/p>\n
Their tool gained such significant traction among creative professionals that it eventually evolved into a formal startup. In late 2024, ComfyUI raised $19 million in Series A financing from investors including Chemistry Ventures, Cursor Capital, and Guillermo Rauch, founder of Vercel.<\/p>\n
Although the latest diffusion models have come a long way from adding a sixth digit to hands, the need for the granular precision that ComfyUI offers has only grown.<\/p>\n
\u201cIf you think about your typical prompt-based solution, like Midjourney or ChatGPT, you ask for something, it [gets only] 60% \u2013 80% there,\u201d Yoland Yan, ComfyUI\u2019s co-founder and CEO, told TechCrunch. \u201cBut to change that remaining 20%, you have to try this slot machine.\u201d<\/p>\n
Yan (pictured left) compared the process to playing in a casino because prompting the model to make a small change can result in a completely different output, including overwriting the parts that were already perfect.<\/p>\n
ComfyUI\u2019s node-based interface allows creators to link specific components of the generation process, giving them full control over the quality of their final output.<\/p>\n
\u201cYou cannot easily convey that message in the prompt box [of a foundational model],\u201d Yan said.<\/p>\n
Creators seem to agree, as ComfyUI claims to have over 4 million users.<\/p>\n
The tool is being used by creative professionals for visual effects, animation, advertising, and even industrial design.<\/p>\n
The startup says its offering has become such a necessary tool of the trade for technical artists and other creatives that it is not uncommon to see \u201cComfyUI artist or engineer\u201d listed as a job title on studio job boards.<\/p>\n
Although video and image foundational models continue to improve, Yan claims that they are far from perfect, and a tool like ComfyUI will continue to be in high demand.<\/p>\n
\u201cIn the world where AI slop is going to be everywhere, the Comfy version of human-in-the -loop approach is going to win out most of the eyeballs in the end,\u201d he said.<\/p>\n
ComfyUI\u2019s competitors include Weavy, a startup that was acquired by Figma last year.<\/p>\n<\/div>\n
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[analyse_image type=”featured” src=”https:\/\/techcrunch.com\/wp-content\/uploads\/2026\/04\/ComfyUI-Co-founders-1.png?resize=1200,790″] ComfyUI, a startup that helps creators control image, video, and audio outputs from diffusion models with a node-based workflow, has raised a $30 million funding round at a $500 million valuation. The round was led by Craft Ventures, with participation from other investors including Pace Capital, Chemistry, and TruArrow. ComfyUI was started […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[226,62],"class_list":["post-1901292","post","type-post","status-publish","format-standard","hentry","category-politics","tag-crawlmanager","tag-techcrunch-com"],"_links":{"self":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts\/1901292","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1901292"}],"version-history":[{"count":0,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts\/1901292\/revisions"}],"wp:attachment":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1901292"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1901292"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1901292"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}