Daily Brief 2026-03-15
BeastMaster Daily Brief — 2026-03-15AI IntelligenceAnthropic's 1M context window goes GA for Opus 4.6 and Sonnet 4.6 without premium pricing. OpenAI retires GPT-5.1, auto-migrates to 5.3/5.4, and ships write actions for Google/Microsoft apps in ChatGPT…