On Thursday, OpenAI announced GPT-5 and three variants—GPT-5 Pro, GPT-5 mini, and GPT-5 nano—what the company calls its "best AI system yet," with availability for some of the models across all ChatGPT tiers, including free users. The new model family arrives with claims of reduced confabulations, improved coding capabilities, and a new approach to handling sensitive requests that OpenAI calls "safe completions."

It's also the first time OpenAI has given free users access to a simulated reasoning AI model, which breaks problems down into multiple steps using a technique that tends to improve answer accuracy for logical or analytical questions.

GPT-5 represents OpenAI's latest attempt to unify its various AI capabilities into a single system. The company says the GPT-5 family acts as a "unified system" with a smart, efficient model that answers most questions, a deeper reasoning model called "GPT-5 thinking" for harder problems, and a real-time router that decides which approach to use based on conversation type, complexity, tool needs, and user intent. Like GPT-4o, GPT-5 is a multimodal system that can interact via images, voice, and text.

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© OpenAI / Benj Edwards

AI chatbots, while potentially driving new leads to the travel and services business, aren't entirely a replacement for the referrals that the dominant search engine brings.

The one-year-old startup raised a Series A led by Insight Partners.

Canadian AI firm Cohere aims to alleviate data privacy concerns with its new AI agent platform, North, which can be deployed privately so that enterprises and governments can keep their, and their customers', data safe behind their own firewalls. 

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On Thursday, OpenAI launched ChatGPT Agent, a new feature that lets the company's AI assistant complete multi-step tasks by controlling its own web browser. The update merges capabilities from OpenAI's earlier Operator tool and the Deep Research feature, allowing ChatGPT to navigate websites, run code, and create documents while users maintain control over the process.

The feature marks OpenAI's latest entry into what the tech industry calls "agentic AI"—systems that can take autonomous multi-step actions on behalf of the user. OpenAI says users can ask Agent to handle requests like assembling and purchasing a clothing outfit for a particular occasion, creating PowerPoint slide decks, planning meals, or updating financial spreadsheets with new data.

The system uses a combination of web browsers, terminal access, and API connections to complete these tasks, including "ChatGPT Connectors" that integrate with apps like Gmail and GitHub.

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