#sandboxes_

Writing

How to stop an AI agent with web access from leaking data: egress allowlists, DNS, proxies and logsLock down what an AI agent can reach online. Egress allowlists, DNS filtering, forward proxies, sandbox network controls and request logging, with configs.2026-10-08
How to sandbox Claude Code, Codex, Copilot and Cursor on your own machine: 9 options comparedBuilt-in agent sandboxes, Microsoft Execution Containers, OpenShell, Docker Sandboxes, dev containers and VMs compared, with setup steps and decision rules.2026-10-08
Where should your agent run code? 15 hosted sandboxes compared on price, network controls and SDK supportHourly list prices for the same sandbox differ about 5x, idle-shutdown settings can matter more than the rate, and most products let your agent reach the whole internet by default. We compare 15 products on price, network controls, isolation and framework support, and end with rules for picking one.2026-10-02

Daily

Claude Haiku 5.5 launches at $0.10 per million tokens, matching GPT-6 LunaAnthropic's Claude Haiku 5.5 costs 90% less than Haiku 4.5 on prompts up to 100K tokens and ties GPT-6 Luna on price, Sonnet 5.5 cache reads are halved, and ChatGPT moves to GPT-6 with Intelligent UI. Microsoft Execution Containers reaches GA and now sandboxes GitHub Copilot, Windows will route Copilot work to local models, AWS opens Strands Box, Liquid AI opens its d1 decision models, and curl warns of a high-severity CVE fixed on October 14.Wednesday, 7 October 2026