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San Francisco, CA | July 29, 2025 — In one of the most talked-about AI deals of the summer, Micro1, a rising force in developer tools and AI infrastructure, has raised $500 million in Series A funding — at a valuation of 0 million.
This bold 1:1 funding-to-valuation ratio signals aggressive growth expectations, and investors are betting that Micro1’s modular, AI-powered infrastructure tools will become essential in the age of automation.
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Micro1 helps startups and enterprises build and deploy software faster by offering pre-trained, customizable AI models that:
In essence, it’s trying to become the “AI-powered backend” for the next generation of digital products.
This funding round was led by Sequoia, with participation from notable angel investors including ex-Stripe CTO Claire Hughes Johnson and former Meta AI lead Jerome Pesenti.
CEO and co-founder Ali Rahimi (formerly of Google Brain) says Micro1 is on a mission to compress software development cycles from months to minutes. The company is building out its flagship product, “MicroStack,” which combines automated devops, low-code AI assistance, and scalable infrastructure as a service.
The tools are aimed squarely at:
This raise puts Micro1 on the map alongside other AI-native infra startups like Replit, Modal, and Anthropic’s tooling division. It also reflects a trend of huge capital inflows into developer-first AI platforms, even as the broader VC landscape remains cautious.
The next billion-dollar dev tools company will be AI-native, said Sequoia partner Jenny Lee. Micro1 has the team and tech to lead that charge.
Micro1 plans to:
The startup is currently in private beta, with full public launch expected in early 2026.
Cortex Hub Verdict
Micro1 is swinging big. With half a billion in hand and a product aimed at supercharging developers, this could be one of the defining bets of the post-LLM wave.
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