Gemini launches new always-on AI agent, Claude updates its internal rules

Claude's internal rules were updated with ethical input to guide its behavior.

Claude

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Expanded summary · Claude

Claude's internal rules, called its 'constitution,' were updated with input from Catholic ethicists to guide its behavior.

The Catholic ethicists even had a say in Anthropic’s recent update to Claude’s constitution, which sets the behavioral parameters for the company’s AI model.

Original reportingThe Vatican’s Man Inside AnthropicRead original ↗

Gemini

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Expanded summary · Gemini

You can now try Gemini Spark, a new always-on AI agent that connects to your personal apps like Gmail, Docs, and Calendar to help with daily tasks.

At its recent I/O developer conference, Google introduced Gemini Spark as an always-on agent that connects to your personal data, completes online tasks, and automates aspects of your daily interactions. My first time using Gemini Spark had me wheezing with laughter.

I gave Google’s new AI agent access to everything from my personal Gmail, Docs, and Calendar apps.

Original reportingI Gave Gemini Spark Access to My Life. Then It Friend-Zoned My BoyfriendRead original ↗

OpenAI Codex

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Expanded summary · OpenAI Codex

How Braintrust engineers use Codex with GPT-5.5 to run experiments and code faster.

How Braintrust turns customer requests into code with Codex

Original reportingHow Braintrust turns customer requests into code with CodexRead original ↗

ChatGPT

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Expanded summary · ChatGPT

Boston Children’s Hospital uses OpenAI technology to improve patient care, reduce operational burden, and help diagnose more than 40 rare disease cases.

Boston Children’s uses AI to unlock new diagnoses

Original reportingBoston Children’s uses AI to unlock new diagnosesRead original ↗