OpenAI Drops GPT-4.5

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In this Newsletter Today:

• OpenAI Rolls Out GPT-4.5

• Copilot: Microsoft AI on Mac

• Top New AI Tools

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OpenAI Rolls Out GPT-4.5

OpenAI has unveiled GPT-4.5, its most advanced AI model so far. Initially, it will be available as a test version for ChatGPT Pro users. While OpenAI describes it as a highly knowledgeable model, it clarifies that GPT-4.5 is not a breakthrough model and may perform worse than some other models like o1 or o3-mini.

Things to Know:

• Improved Writing & Understanding: GPT-4.5 offers better language skills, pattern recognition, and problem-solving capabilities, making it useful for writing, coding, and complex tasks.

• Not a Breakthrough Model: OpenAI states that GPT-4.5 is its largest model yet, with over 10x better computational efficiency than GPT-4, but it does not outperform top models like o1 or Deep Research.

• More Natural Conversations: The model has been designed to feel more intuitive, emotionally intelligent, and cooperative, with human testers rating it better than GPT-4o in most areas.

GPT-4.5 brings notable improvements in AI-generated responses while reducing hallucinations. It will gradually roll out to Plus, Team, Enterprise, and Edu users after Pro users get early access. Additionally, it is already available on Microsoft's Azure AI Foundry, alongside other top AI models.

Copilot: Microsoft AI on Mac

Microsoft has launched a native Copilot app for macOS, bringing its AI assistant directly to Apple users. The app offers features like dark mode, keyboard shortcuts, and document summarization, making it easier for users to interact with AI on their Mac devices.

Things to Know:

•  New Features: The macOS Copilot app includes dark mode and a shortcut (Command + Space) to quickly activate the AI assistant.

• Expanded Access: Users can now log into Copilot on iPhone and iPad with an Apple ID and upload files like PDFs for summarization.

• Free AI Upgrades: Microsoft has removed usage limits on Copilot Voice and Think Deeper, allowing for unlimited AI conversations.

This launch makes Microsoft’s AI more accessible to Mac and iOS users, offering new tools for productivity and creativity. With expanded free features, users can now engage in longer, more in-depth AI interactions without restrictions.

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