AI Digest
Decision Models Get an API While Open Models Land in Codex
Around OpenAI's DevDay, the feed carried a limited-preview Decisions API powered by GPT-6 Luna and word that enterprises can now run open models like GLM-5.3 Flash and Kimi K3 natively in Codex. Practitioners filled the rest with concrete technique: a $3 Jev analysis of 2,029 phone calls, multi-model Claude Code orchestration, and practitioner-authored agent skills.