Stably AI is Now Backed by Vercel Ventures! 🚀

Jinjing Liang
Jinjing LiangEx-Google, CEO of Stably
2 min read
Aug 26, 2025

We pitched at Vercel AI Demo Day and took the #1 spot out of 900+ companies. Here's why testing is mission-critical in the AI era.

We're thrilled to announce that Stably AI is now backed by Vercel Ventures!


Last month in San Francisco, we pitched at Vercel AI Demo Day and took the #1 spot out of 900+ companies, with judges from Cursor, OpenAI, and Vercel CEO Guillermo Rauch. We were honored to hear Guillermo call testing "mission-critical" in the AI era — and see how naturally Stably fits into the Vercel ecosystem.


Testing in the Age of AI-Assisted Development

In AI-assisted development, testing isn't a final QA checkbox. It's real-time feedback for engineers and AI coding agents like Claude Code and Cursor as they ship. And only fully automated testing can power fully automated coding.


That's exactly what we do: the moment a Vercel preview deployment is created, Stably runs instant, autonomous end-to-end tests — clicking through the app like a real user, reading the code diff, checking tickets, designs, and docs to catch bugs before they ship.


What's Next

Most of our users already build on Next.js and rely on Vercel previews — this partnership lets us go even deeper into their workflow. We're excited to share what's coming next.


Stably team at Vercel AI Demo Day

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