GPT-5.4 nano

variant: reasoning effort xhigh

variant: BFS, 0-128K

variant: parents, 0-128K

variant: with tools

variant: without tools

variant: reasoning effort xhigh

variant: with Python

variant: without tools

version: 1.5; variant: reasoning effort none

version: v2; variant: 8-needle, 64K-128K

version: v2; variant: 8-needle, 128K-256K

variant: reasoning effort xhigh

variant: reasoning effort xhigh

version: 2.0; variant: reasoning effort xhigh

variant: reasoning effort xhigh

variant: reasoning effort xhigh