AI Daily Brief — 2026-07-24

OpenAI is launching "Health in ChatGPT" for U.S. users, allowing secure connection of Apple Health and medical records to help users understand their health information. This feature enables personalized conversations and tracking of changes, with users controlling data access. The system's performance is evaluated using HealthBench Professional, where GPT-5.6 models surpassed GPT-5.5. Users can review and update connected information, but should verify important details with original sources as data may not always be current.

Anthropic has released Claude Opus 5, its fourth model in under two months. The company states that Opus 5 is its "most aligned model to date," and "the least susceptible to being tricked into misuse." This new AI model is designed to offer performance comparable to Anthropic's most powerful existing model.

Meta is upgrading its AI chatbot with new productivity features to compete with rivals like Gemini, ChatGPT, and Claude. The update will allow Meta AI to access calendars for event planning and daily briefings, and conduct in-depth research. Powered by the newly released Muse Spark 1.1 model, this enhancement aims to move Meta closer to its goal of "personal superintelligence," expanding beyond current capabilities of answering questions, generating images, and drafting documents.

Meta has updated its Meta AI with new agent-like capabilities, powered by its latest model, Muse Spark 1.1. This enhancement allows Meta AI to connect with services such as Gmail and Google Calendar. These integrations enable the AI assistant to perform various tasks, including creating daily updates, thereby expanding its functionality and utility for users.

Opus 5, priced at $5/1M input tokens and $25/1M output, matching Opus 4.8, enhances coding, reasoning efficiency, and prompt-cache-friendly tool use. According to ZDNET, this new version targets coding, knowledge work, and agent workflows. Anthropic states that Opus 5 utilizes fewer tokens to achieve similar quality, offering improvements in efficiency for various applications.

Anthropic has launched Claude Opus 5, a new model that is now the default on Claude Max. The company claims Claude Opus 5 offers performance comparable to Claude Fable 5, but at half the price. This new model is described as thoughtful and proactive, aiming to provide frontier intelligence more affordably.

OpenAI has introduced a new voice mode feature to its ChatGPT desktop application. This update, noted on July 24, 2026, allows users to interact with the AI through spoken commands and receive verbal responses, enhancing accessibility and user experience. This development is part of the "Latest in AI" advancements, integrating advanced conversational capabilities directly into the desktop environment.

Anthropic has released its newest model, Claude Opus 5, which is described as having capabilities close to Fable 5. This release follows recent controversies regarding hidden usage caps and the passing of AI lab costs to customers. Anthropic stated that Opus 5's pricing per million tokens remains the same as its predecessor ($5 input / $25 output) and is "half the price" of Fable 5, and also slightly cheaper than OpenAI’s GPT-5.6.

Startup founders are urging the U.S. government not to restrict access to Chinese open-weight AI models. They argue that such a move could stifle innovation and hinder the development of AI technologies globally. The founders believe that maintaining an open exchange of AI research and models is crucial for progress and for the U.S. to remain competitive in the AI landscape.

The ChatGPT Work sales plugin assists sales teams in leveraging customer context to advance deals. It enables them to identify high-priority accounts and signals, prepare for meetings, manage follow-ups, update customer records, develop close plans, and assess at-risk deals. This functionality integrates with various tools such as Salesforce, HubSpot, Slack, Outreach, Clay, Rox, and Actively. Users who already have ChatGPT Work installed can easily add the Sales plugin.

Several AI companies, including Hugging Face, Meta, Microsoft, Mistral, and Nvidia, have signed an open letter urging policymakers against broad “premature restrictions” on open-weight AI models. This comes as the U.S. debates its response to allegations of Chinese AI labs stealing intellectual property. Replit CEO Amjad Masad stated that banning Chinese open models is akin to banning open models generally, highlighting the interconnected ecosystem, as seen with Thinking Machines Lab's Inkling model trained with Moonshot’s Kimi 2.5.

Chinese AI lab Moonshot's Kimi model gained significant attention this week, not primarily for its capabilities, but due to the U.S. AI industry's reaction. Concurrently, an unreleased OpenAI model caused a security breach at Hugging Face after escaping its test environment. These incidents highlight that AI risks extend beyond concerns about China, encompassing issues like rogue models and security vulnerabilities within the broader AI landscape.