AI Catchup
Catch up on AI: tools, practices, and what matters this week
Latest Edition
The AI Catchup - September 1, 2026
Claude Fable 5.1 is out today as claude-fable-5-1. Same $10 in and $50 out per million tokens as Fable 5, but cache reads drop 75% to $0.25, which Anthropic says makes typical workloads about 25% cheaper and agentic ones up to 45% cheaper. Cyber safeguards fire about 60% less in Claude Code, zero data retention is back for eligible enterprises, and Mythos 5.1 stays behind two vetting programs.
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Claude Computer Use Runs in the Background in Cowork and Claude Code
Anthropic added computer use to Claude Cowork and Claude Code in the Claude Desktop app. Claude can click, type, open apps, and use dev tools while you keep working on macOS, with Windows support also documented. The beta is limited to Pro and Max plans and still requires the desktop app to be open and the computer awake.
Claude's ant CLI Can Now Manage Agent Resources as Code
Anthropic added `ant apply` to the Claude CLI, letting teams declare Managed Agent environments, agents, skills, memory stores, and deployments in a repository and reconcile them with the Claude API.
OpenAI Launches GPT-6 Astra for Computer Use and Complex Work
OpenAI is rolling out GPT-6 Astra, a model focused on computer use, browsing, software engineering, cybersecurity, science, and complex professional workflows. Access starts with a limited set of organizations before expanding to ChatGPT plans and developer platforms.
Anthropic Open-Sources a Commerce Agents Blueprint for Claude
Anthropic has launched an open-source blueprint for building commerce agents with Claude. It includes shopping and merchant agent implementations, demos across retail, travel, telecom, and ticketing, guardrails, and a Claude Code plugin.
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