Claude Opus 5.5 and GPT-6 Astra show different robotic writing styles

What happened

Artificial Analysis compares two models writing "hello world" with the same robot on the same task. ➤ Claude Opus 5.5 dabs it out dot by dot: 3,270 arm moves over 34 minutes. ➤ GPT-6 Astra writes in continuous strokes: 514 moves in 13 minutes. From AA-Robotics v0.1,

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The story so far

Artificial Analysis compared Claude Opus 5.5 and GPT-6 Astra writing “hello world” with the same robot and reported that Astra finished in 13 minutes using 514 arm moves, while Opus took 34 minutes and 3,270 moves. In the AA-Robotics v0.1 task, Opus formed the text dot by dot, while Astra wrote in continuous strokes.