DBdarian baileyinengineering.fractional.ai60Applied AI Digest: Volume 2Apr 1 · 3 min read · March 18 – April 1, 2026 Models & Releases OpenAI ships GPT 5.4 mini and nano to the API, plus Codex sub-agentsMini and nano variants hit the API alongside GPT 5.3 chat latest. Codex also picks up suJoin discussion
DBdarian baileyinengineering.fractional.ai51Applied AI Digest: Volume 1Mar 18 · 2 min read · March 4 – 18, 2026 Models & Releases OpenAI launches GPT-5-4, its new flagship modelLatest model drop from OpenAI. Expect updated benchmarks and production evals soon. Google releases Gemini EmbeddinCCapeStart commented
