Base44 spent its first year building apps on other companies’ AI models. Now it has built its own. It is betting that owning the model is the only way to survive the vibe-coding gold rush.

The Tel Aviv startup lets anyone build a working app by describing it in plain language. It has now launched its first proprietary AI model, called Base1. Base44 says the model is already in production and serving users. It claims a first here. No other app-creation platform, it says, has shipped its own model rather than renting one from a frontier lab.

Base44 trained Base1 on a dataset drawn from tens of millions of real user interactions on its platform. That data is the point. Every app someone builds teaches the model what a good result looks like. It is a feedback loop the startup owns and its rivals do not.

Base1 is a general-purpose agent, built to both hold a conversation and write code. It handles multi-turn requests, tool use, and backend operations. That echoes the agentic build tools spreading across other creative platforms.

The 💜 of EU techThe latest rumblings from the EU tech scene, a story from our wise ol' founder Boris, and some questionable AI art. It's free, every week, in your inbox. Sign up now!Founder and chief executive Maor Shlomo framed the launch as independence. “Having our own model means we can continue to improve it over time,” he said. It also makes Base44 less dependent on external vendors. He was blunt about the difficulty, calling it “not a trivial effort” that needs deep expertise, heavy infrastructure, and rich data most companies lack.