Daily AI Brief
A daily email on AI models, tools and news. Each week I pick the stories that matter most and add my take here.
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Weekly picks
- Cheaper models, and new limits on agentsWeek of 28 September 2026
GPT-6.1 Sol, Claude Sonnet 5.5 and Gemini 4 Argon change what a good model costs, and agents face a sandbox finding, a Senate bill and budget caps.