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Microsoft Unveils Phi-4, an Open-Source Small Language Model Claimed to Surpass Gemini 1.5 Pro

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Microsoft has launched its latest artificial intelligence model, Phi-4, marking a significant milestone in the evolution of its open-source Phi family of foundational models. This new small language model (SLM) follows the release of Phi-3 just eight months ago and the Phi-3.5 series introduced four months later. Microsoft touts Phi-4 as a more advanced solution for tackling complex reasoning tasks, particularly in areas like mathematics, while also excelling in traditional language processing tasks. This release highlights the company’s continued focus on advancing AI’s capabilities in both specialized and general domains.

One notable aspect of the Phi-4 release is that it does not include a mini variant, a feature that was previously part of every Phi model launch. Microsoft has chosen to release Phi-4 on Azure AI Foundry under a Microsoft Research License Agreement (MSRLA) for now. However, the company plans to expand access by making the model available on Hugging Face next week, opening the door for broader experimentation and integration within the AI research community. This move reinforces Microsoft’s commitment to providing accessible and cutting-edge AI tools for developers and researchers.

In a recent blog post, Microsoft highlighted that Phi-4 has undergone extensive internal testing, and benchmark results suggest a significant leap in performance compared to its predecessors. The model has shown marked improvements in solving complex mathematical queries, an area where it is said to outperform other AI models, including the much larger Gemini Pro 1.5. These benchmark results were further detailed in a technical paper released on the online journal arXiv, providing a comprehensive analysis of Phi-4’s capabilities and positioning it as a formidable tool for tackling intricate reasoning problems.

The Phi-4 release is part of Microsoft’s broader strategy to advance AI through open-source models, fostering innovation and collaboration across the global AI community. By providing robust performance in a wide range of applications, from mathematics to natural language processing, Phi-4 is set to play a key role in the next generation of AI development, pushing the boundaries of what small language models can achieve.

Microsoft Expands AI Model Options for 365 Copilot, Aims to Reduce Costs

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Microsoft is reportedly working to incorporate both internal and third-party artificial intelligence (AI) models into its flagship product, Microsoft 365 Copilot, in a strategic move to diversify beyond its current dependency on OpenAI technology. Sources familiar with the project revealed that this effort is aimed at improving cost efficiency, speed, and overall performance for enterprise users.

Since the launch of 365 Copilot in March 2023, Microsoft has relied heavily on OpenAI’s GPT-4 model, touting its advanced capabilities as a key feature. However, concerns over cost and scalability have driven the tech giant to explore alternatives. These include developing its own smaller AI models, such as Phi-4, and customizing open-weight models to enhance the efficiency and affordability of 365 Copilot.

A Microsoft spokesperson emphasized the company’s continued collaboration with OpenAI for frontier models, but noted that the company integrates “various models from OpenAI and Microsoft depending on the product and experience.” OpenAI declined to comment on these developments.

One of the primary goals of this diversification is to lower operational costs, which could translate into savings for end users, according to insiders. The efforts are being closely monitored by Microsoft leadership, including CEO Satya Nadella, highlighting the strategic importance of this initiative.

Microsoft’s approach mirrors recent trends in its other business units. GitHub, acquired by Microsoft in 2018, introduced models from Anthropic and Google in October 2023 as alternatives to OpenAI’s GPT-4 for its coding assistant. Similarly, Microsoft’s consumer chatbot Copilot now integrates both in-house models and OpenAI technology.

Despite Microsoft’s push for 365 Copilot, adoption has faced challenges. Gartner reported in August that most companies had not moved beyond the pilot phase of their 365 Copilot implementations. Pricing and utility remain key concerns for enterprises. However, there are positive signals, with BNP Paribas Exane analysts forecasting that Microsoft could reach over 10 million paid users of 365 Copilot this year. Furthermore, Microsoft noted in November that 70% of Fortune 500 companies are already using the product.

As Microsoft continues to refine 365 Copilot’s capabilities and explore more cost-effective AI solutions, its efforts reflect a broader industry trend of reducing reliance on any single AI provider while maximizing efficiency and scalability.

 

Microsoft Simplifies File Sharing Between iPhones and PCs with New Link to Windows Feature

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Microsoft has introduced an exciting new feature for its Link to Windows app, making it easier than ever to share files between an iPhone and a PC. The update, which is currently available to Windows Insiders, uses the Phone Link software to seamlessly establish a connection between Windows and iOS devices. This comes just a day after Microsoft unveiled its native Copilot for Windows app, replacing the previous progressive web app (PWA) with a more integrated experience, highlighting the company’s ongoing commitment to improving cross-platform functionality.

The new Link to Windows feature offers a simple and efficient way to transfer files between devices. Users can now send files from their PC to their iPhone by right-clicking on the file and selecting the “Share” option, then tapping “My Phone/Phone Link.” Conversely, files can be transferred from an iPhone to a PC by selecting the file, tapping “Share,” and choosing “Link to Windows.” To use the feature, iPhones must be running iOS 16 or later, and users must have the Link to Windows app for iOS version 1.24112.73 or higher, along with Phone Link version 1.24112.89.0 or above.

For users setting up this feature for the first time, it can be configured during the Phone Link setup process. Those who have already paired their iPhone with a PC can enable the file-sharing functionality by visiting aka.ms/addAccount on their PC. Since the feature is still in testing, Microsoft encourages users to provide feedback through the Feedback Hub under the Apps > Phone Link section, helping the company fine-tune the experience for broader use.

In addition to the file-sharing update, Microsoft has also enhanced the Microsoft Copilot app, which now offers a native experience. A new quick view feature allows users to summon an AI chatbot with just a keyboard shortcut, offering a convenient way to access assistance directly on the screen. This update marks a significant step toward making both file sharing and AI integration smoother and more intuitive across Windows and iOS devices.