Runable Raises $21M to Help AI Agents Move Beyond Building to Growing Businesses

As AI agents get better at spinning up websites, apps, and slide decks, a new bottleneck emerges: what happens after the build? Indian startup Runable is betting that the next wave of value lies in the 'grow' side—finding customers, running ads, and managing a business's presence across search and social. The company today announced a $21 million Series A led by Susquehanna Venture Capital and Nexus Venture Partners, with participation from Together Fund and Array VC, valuing it at $65 million post-money.

Founded in 2025 by Umesh Kumar and Saksham Sarda, Runable started as an AI infrastructure play, building browser technology to scrape data at scale. But users kept pushing its browser-based agent to create things—slide decks, websites, even full apps. That signal led to a pivot toward a general-purpose AI agent, and the pivot is already showing traction: Runable says it hit a $2 million annualized revenue run rate within three weeks of launching payments in March.

The company's thesis is that small business owners don't want to stitch together a website builder, an analytics tool, an ad account, and a dozen other services. They want to say, 'Get me 100 customers,' and have the agent handle the rest. Runable's agent now covers the build side—natural-language site creation, deployment, analytics—and is extending into the 'grow' side: running ad campaigns, managing social media, handling SEO, and optimizing for AI chatbot results.

That ambition is what separates Runable from coding-focused tools like Cursor or Lovable. As Kumar put it: 'In the end, a business doesn't require Codex or Claude Code or anything. They require real outcomes.' Runable isn't trying to beat developer tools at their own game; it's courting the nontechnical owner who just wants a functioning, profitable presence online.

The challenge is standing out in a field that includes AI giants and well-funded coding platforms. Runable's edge, it argues, is integration: it handles infrastructure, analytics, and distribution within one platform, so users don't need to wire together a dozen services. In a TechCrunch test, Runable built and deployed a coffee-subscription site with analytics and prepared an ad campaign—but stopped short of spending the $25 ad budget because it required a connected advertising account. The startup says it can run ads on ChatGPT without external accounts via undisclosed partnerships, a 'soft wedge' into distribution.

Economics are still a work in progress. Runable acknowledges negative gross margins, partly due to subsidizing AI usage for customers. But Kumar sees a clear path down: 'We are seeing this path where you can provide the same quality of inference at almost 10x less cost.' As inference costs fall, the unit economics of an agent that does everything could get compelling.

Runable has about 1.7 million registered users, with the U.S., UK, and Japan leading. Japan, Kumar says, could soon rival the U.S. as a top market. Users consumed over a trillion tokens in the last 90 days, with 60-70% from paying customers.

The bigger question is whether an AI agent can truly replace the full stack of a marketing agency—and whether small businesses will trust an agent with real ad spend. Runable's bet is that the answer to both is yes, and that the 'grow' phase is where the real value lies.