api cheap Gemini 3.1 Flash Lite: cheap, quick, still not closed Gemini 3.1 Flash Lite ran the full current suite quickly and cheaply. It reached five core passes, generated a valid City Plan SVG, and still resolved none of the nine practical paperwork cases strictly.
api cheap Gemini 2.5 Flash: good at reading, sloppy at closure Gemini 2.5 Flash understood many of the synthetic paperwork cases, but repeatedly failed the exact final contract: valid JSON, proof codes, and workflow checksum closure.