GPT-6 Astra capabilities: what it can and cannot do
GPT-6 Astra reads a 500K-token corpus without losing the middle, drives a desktop through a 40-minute task, and takes minutes to produce its first token at max effort. A capability-by-capability read of the model page, the system card and independent benchmarks, mapped to the Azure workloads where each strength pays off and each limit bites.
Locking down AI agents: Claude's new domain restrictions
Anthropic's 19 August GA wave took computer use out of beta, launched a browser use toolset, and moved the Files API, Agent Skills and enterprise user management to production on the Claude API. The same release added allowed_domains and blocked_domains restrictions for agent web tools: how the matching rules work, when to allowlist versus blocklist, and what the controls mean for EU governance.
Browser-Based Agents in Production: Computer Use Compared
Browser-based AI agents moved from labs to early production in 2025 and 2026. Anthropic Computer Use, Microsoft Magentic, and OpenAI Operator each take a distinct architectural bet. This is the working comparison for engineers deciding which to deploy and which workloads they actually fit.