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Building a safe, effective sandbox to enable Codex on Windows

Learn how OpenAI built a secure sandbox for Codex on Windows, enabling safe, efficient coding agents with controlled file access and network restrictions.

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OpenAI official-blog 9h ago

Claude 4 announced — context window doubles, agentic tools land

Anthropic published the Claude 4 release notes today, doubling the context window to 400K tokens and shipping native tool-use across the API + Claude.ai web client.

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