AI agents

primary bot grok 4 7 base model proactive grok bot a robot butler holding out a serving tray

xAI Rolls Out Grok 4.7 as Base Model and Introduces Proactive Primary Bot

SpaceXAI has given Grok Bot a proactive Primary Bot that spots work and offers to handle it before you ask, and Grok 4.7 is now the base model across the Fast, Expert, Build and Heavy modes in the Grok apps. We cover how Primary Bot works, what free suggestions really cover, Grok 4.7’s benchmark gains, what is still undocumented, and what it means for businesses.

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OpenAI Cuts Ties With 3 Safety Researchers, WSJ Reports

OpenAI has parted ways with three members of its safety team who allegedly shared confidential information with an outside AI safety organisation, The Wall Street Journal reported on 1 October 2026. We set out what is known and not known, the 2024 precedents, the run of agent incidents behind the story, what whistleblower law protects in California and the UK, and what it means for businesses using OpenAI.

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griffin lite tavus real time video ai preview a retro videophone with a face on its screen

Tavus Launches Limited Preview of Griffin Lite and Updates Developer Platform

Tavus has opened a limited research preview of Griffin Lite, a real-time video AI that sees, hears and talks back with a generated face and voice. In Tavus’s study, 26 of 54 people thought it was human after a one-minute call. We explain how it works, what the NVIDIA VideoFDB scores show, what changed on the Tavus developer platform in September, and the deception risks Tavus itself flags.

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Arceus Automates Legal Contract Reviews for Startups via Slack

Arceus, a San Francisco law firm that pairs licensed attorneys with AI agents, has raised funding led by Greycroft, bringing its total to $17 million. Startups send contracts from Slack, an agent prepares the review and a lawyer signs it off at a flat fee. We explain how it works, what it costs, how it compares with Crosby and other AI-native firms, and what UK companies should check.

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Wallet Feature Spotted in ChatGPT App as World App Rebrands

A Wallet entry marked Coming soon has appeared in the ChatGPT app, beside Passwords and Finances, on the same day World App was renamed World Money. We set out what was spotted, what August code showed about card enrolment for agent tasks, why a ChatGPT Wallet fits Dots, what World Money is, and whether the two are linked.

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Brian Chesky Interview: AI Agents Need Their Own Operating System

Airbnb CEO Brian Chesky told TechCrunch that consumer AI will not work until someone builds a true AI operating system, with a full developer kit that turns every app into an interoperable agent. We explain what he said about Muse, Instinct and ChatGPT’s app store, what such a platform would need, who is closest to building it, and what businesses should prepare now.

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DoorDash Launches an AI Agent You Can Text to Order Food

DoorDash’s new AI agent lets US customers order food and groceries by texting DoorDash in Apple Messages: it knows your usual, builds group orders, sends photos and checks out in the thread. We explain how it works, what DoorDash’s Ask figures show, how it compares with Uber Eats, Instacart and Shipt, why a text agent protects DoorDash from general AI agents and what to check before you use it.

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