Microsoft to unveil proprietary AI for Copilot at Build

Microsoft is preparing to unveil a suite of new, internally developed artificial intelligence models at its annual Build developer conference next week, with a major focus on a proprietary coding model designed to enhance its GitHub Copilot tool. The conference will be held in San Francisco.

The move represents a significant strategic shift as the company seeks to strengthen its own AI ecosystem and reduce its reliance on external partners, primarily OpenAI. Microsoft has been developing several specialized AI systems for tasks including coding, image generation, reasoning, speech, and transcription, according to reports. The new coding model is expected to be integrated directly into GitHub Copilot, Microsoft's widely used AI assistant for software developers, with the aim of improving performance, accuracy, and contextual awareness.

Currently, GitHub Copilot utilizes technology from multiple AI companies, including OpenAI, Anthropic, and Google. However, competition in the AI-assisted coding market has intensified, particularly with the rapid adoption of tools like Anthropic's Claude Code. In a notable internal trial, Microsoft allowed thousands of its own employees across...