Wix.com Ltd. (NASDAQ: WIX), a leading platform for building, managing, and growing digital presences, announced that its AI-powered app development platform, Base44, has launched its first proprietary AI model (Large Language Model/LLM), "Base 1." The model is already operational in production and is being used by users on the platform. This announcement marks a significant milestone in Base44's evolution from an AI-powered platform to a full-stack AI company that handles everything from data accumulation and infrastructure building to model training and implementation in-house. "Base 1" is developed and optimized using vast, proprietary data, composed of tens of millions of actual user interaction records generated on the platform. As a result, it already demonstrates competitive performance compared to previously used foundation models, and with continued learning from Base44's ever-expanding data, it has the potential to surpass them. While many companies train models for limited, single-purpose use, Base44 has built a general-purpose AI agent capable of handling both dialogue and coding, including complex multi-turn interactions, tool usage, runtime management, and backend processing. Base44's ability to build and deploy its own models is the result of planned investments in several key areas: Talent: Wix's world-class data science and research teams have cultivated deep expertise through learning Wix Harmony, and are applying this knowledge to Base44's LLM development. Data: Base44 accumulates vast, high-quality data from production traffic and user interactions, providing unique and powerful learning signals for its models tailored to Base44's use cases. Infrastructure: The company has built robust sandboxing capabilities, evaluation frameworks, and experimental pipelines, enabling real-time validation of various agent configurations for deployment on live traffic. Development System: Wix and Base44 have collaborated with top-tier inference providers to develo