
The Assistants API shuts down on August 26. The official mapping sends Assistants to prompt objects, which OpenAI deprecated in June and switches off on November 30, ninety-six days after the deadline that forces the move.

A documented cost model for Sonnet 5 that keeps its September price change separate from its new tokenizer's input range.

What Google's own Gemini API pricing table says about free- and paid-tier data treatment, and how to classify a workload before choosing.

The break-even formula behind GPT-5.6 prompt caching, calculated from OpenAI's current Sol, Terra, and Luna prices.

How four coded visual concepts became 33 delivery files, why mobile needed separate compositions, and what the automated tests still missed.