GPT-5.6 family launches in general availability with Sol, Terra, and Luna. Sol scores 53.6 on Agents' Last Exam, 80 on the Artificial Analysis Coding Agent Index, 92.2% on BrowseComp, and 62.6% on OSWorld 2.0. Terra and Luna outperform Fable 5 at around one-sixteenth the cost.
Added to The Deploy Log , updated . Read Edition 42, the edition that carried it.
117 rows from OpenAI in The Deploy Log are dated on or before this one, this one included.