Claude Duet (5 minute read)
Anthropic has unveiled Claude Duet, a proactive AI agent powered by Opus 5.5 that monitors connected apps, prioritizes tasks, and works autonomously while requesting approval before certain actions. The research preview initially targeted US Pro and Max subscribers through a waitlist.
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Introducing Flint (7 minute read)
Recursive Flint is a mixture-of-experts model built for fast agentic coding on local hardware. It has 40 billion total parameters but activates just 2.5 billion per token. It was built from scratch by a small team of people and agents in under four months. Flint generates more than 125 tokens per second on an M4 Pro MacBook Pro and more than 150 tokens per second on a 64GB NVIDIA RTX Spark at short contexts. It can be used as a daily coding model to complete tasks locally without sending data to a remote server.
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OpenAI models are coming to Google Cloud (2 minute read)
OpenAI's frontier models and Codex agentic workflows are coming to Google Cloud's Model Garden. The integration will give customers native access to these models to power complex agentic workflows at scale. It will pair OpenAI's frontier models with Google Cloud's built-in access controls, centralized data governance, and high-performance infrastructure to support demanding enterprise workloads. OpenAI models will soon be available in Google Antigravity and the Gemini Agent.
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How does Fable 5.1 hide messages in images? (15 minute read)
Language models can encode messages in images. These messages can be decoded by the same language model even if no information about the encoding method is passed. The act of decoding the hidden messages is obvious if the tool calls of the decoding model are monitored. The encoded messaging is surprisingly hard to spot, and it could be used as a precursor to steganography in images.
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Claude Mods: Flipping the Harness Inside Out (11 minute read)
Claude Mods flips the agent harness paradigm to face the human, creating a customizable "Attention Interface" for Claude AI. Mods are TypeScript or JavaScript functions that alter Claude Code's behavior in real-time, allowing users to design how Claude interacts with them. This shift lets users program the human-agent interface and even have Claude build mods, enhancing workflow and decision-making.
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Claude API version 2026-10-21 is now available (1 minute read)
The Claude API has received its first official version release since 2023. Anthropic plans to release versions more often so developers can handle breaking changes before a new model requires them. 2023-06-10 is not deprecated. New major versions of the Anthropic SDKs and CLI are out today and default to the new API. A migration guide is available.
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OpenAI's PHP Patcher (11 minute read)
OpenAI coordinated with PHP maintainers and security partners to patch critical vulnerabilities discovered using GPT-5.6 Sol and independently by Wiz. The company also released a PHP vulnerability checker and proposed a framework for coordinating responses to AI-discovered security flaws.
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OpenClaw creator says he spent $10 million in tokens last month (4 minute read)
Peter Steinberger, the creator of OpenClaw and now a member of technical staff at OpenAI, estimates that he spent around $10 million in tokens running AI workloads last month, all from out of investors' pockets. Steinberger has a virtually unlimited token budget, allowing him to work differently from others in the industry. This article collects some of his answers during a conversation with Cloudflare's CTO at the Cloudflare Connect 2026 conference.
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A response from Dario Amodei (8 minute read)
Dario Amodei responds to a post regarding Anthropic's stance on AI safety by listing the things that the company did in the past year that were pro-safety and commercially costly to it.
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