Galileo AI
Galileo AI was an AI design system generator that was acquired by Google in May 2025 and folded into Google Stitch — meaning it no longer exists as a standalone product. The research evidence also reveals a significant naming confusion: there is a separate, still-operating Galileo AI (galileo.ai) that is an LLM observability and evaluation platform, not a design tool.
The design tool product has been discontinued as a standalone offering following Google's acquisition in May 2025, fundamentally destroying its operational utility as a reviewable product; the surviving galileo.ai is a developer-facing LLM observability tool with a different category and use case entirely.
The LLM observability platform has credible enterprise clients and Series B backing, but data privacy posture and security certifications for the design tool are now moot, and the observability platform's specific compliance documentation was not available in evidence.
The $45M Series B, Fortune 50 enterprise clients, and Khosla/Scale VC backing give the observability platform strong market signals, offset by the design tool's acquisition and the significant confusion this creates for market positioning of the galileo.ai brand.
Official Python and TypeScript SDKs, active GitHub repositories, Mintlify docs, and a regularly updated 2026 changelog demonstrate a meaningfully mature developer infrastructure for the LLM observability platform.
Here is the uncomfortable truth that most review sites have not caught up to yet: Galileo AI the AI design tool no longer exists as a standalone product. Google acquired it in May 2025 and merged its generative UI capabilities into Google Stitch — and the galileo.ai domain is now home to an entirely different business: an LLM observability and evaluation platform. That is a plot twist significant enough to invalidate most of the review content you will find floating around the internet.
Frequently asked
What is Galileo AI?
Galileo AI was an AI design system generator that was acquired by Google in May 2025 and folded into Google Stitch — meaning it no longer exists as a standalone product. The research evidence also reveals a significant naming confusion: there is a separate, still-operating Galileo AI (galileo.ai) that is an LLM observability and evaluation platform, not a design tool.
How much does Galileo AI cost?
Galileo AI uses a freemium pricing model. See the pricing breakdown above for current plans.
What is Galileo AI best for?
Galileo AI is best suited for design.
What is Galileo AI's StackScore?
Galileo AI scores 52/100 on Instawhat.ai's independent StackScore™ — a mixed pick — review the breakdown before committing.