TikZ: a three-set coffee Venn diagram, by grok-4.7
grok-4.7 · round 4 of 4 · seed 1$0.15SVGPNGPDFvenn.tex
venn.tex · 49 lines
\documentclass[tikz,border=10pt]{standalone}
\usetikzlibrary{calc}

\begin{document}
\begin{tikzpicture}[
  font=\sffamily,
  every node/.style={inner sep=0pt, outer sep=0pt},
  setlabel/.style={font=\sffamily\bfseries\large, align=center},
  item/.style={font=\sffamily, align=center}
]

% Equilateral centres, radius large enough that every overlap is a real region.
\def\R{3.15}
\coordinate (E) at (150:1.55);
\coordinate (M) at (30:1.55);
\coordinate (C) at (270:1.55);

\fill[red!55,   fill opacity=0.22] (E) circle (\R);
\fill[blue!60,  fill opacity=0.22] (M) circle (\R);
\fill[green!65!black, fill opacity=0.22] (C) circle (\R);

\draw[red,   line width=1.1pt] (E) circle (\R);
\draw[blue,  line width=1.1pt] (M) circle (\R);
\draw[green!55!black, line width=1.1pt] (C) circle (\R);

% Names sit outside the circles, not on the boundary.
\node[setlabel, red, anchor=east]  at ($(E)+(-3.55,0.55)$) {Has espresso};
\node[setlabel, blue, anchor=west] at ($(M)+( 3.55,0.55)$) {Has milk};
\node[setlabel, green!45!black, anchor=north] at ($(C)+(0,-3.35)$) {Served cold};

% Espresso only (hot, no milk)
\node[item] at (-2.70, 1.85) {short black\\pour-over};
% Milk only (not espresso, not cold)
\node[item] at ( 2.70, 1.85) {babyccino\\milkshake};
% Cold only (no espresso, no milk)
\node[item] at ( 0.00,-3.15) {cold brew};

% Espresso and milk, served hot
\node[item] at ( 0.00, 2.15) {flat white};
% Espresso, cold, no milk
\node[item] at (-1.85,-1.35) {iced\\long black};
% Espresso, milk, and cold
\node[item] at ( 0.00, 0.15) {iced latte};

% Milk and cold, but no espresso: none of the listed drinks.

\end{tikzpicture}
\end{document}
round 1 of 4
A three-set coffee Venn diagram, by Grok 4.7, the render after round 1
1234What the model saw after each round. The picture above is the round that was scored, round 4.

Pour-over inside Has espresso and milkshake in milk only.

modelx-ai/grok-4.7tasktikz-coffee-venn@v1date2026-09-25rounds4 of 8 allowedcost$0.1461thinkingmediumtokens142,918 in, 14,510 out, of which 8,622 reasoningtime3 min 29 sfailurelabelling
Compilesdecided by a number, from the filepass
Seven regions, three namesdecided by a number, from the filepass
Every drink in its regiondecided by a number, from the filefail
No label on an edgedecided by a number, from the filepass
read the post
its other runs
the prompt it was given
Using LaTeX and TikZ, draw a Venn diagram of three overlapping circles labelled "Has espresso", "Has milk" and "Served cold". Write each of these drinks in the region where it belongs: short black, flat white, iced latte, iced long black, cold brew, babyccino, milkshake, pour-over.
Frozen at v1. This model got this and nothing else.
ground truth

Short black is espresso only, flat white espresso and milk, iced long black espresso and cold, iced latte all three, babyccino milk only, milkshake milk and cold, cold brew cold only, and pour-over outside every circle. The circles and words are read back out of the compiled PDF, each word has to be centred in its own region, and no letter may touch a circle's outline, with the line's width counted. How it is scored, and this run's files on GitHub.