GPT-6 Astra vs Claude Fable 5/5.1 robotic arm operation comparison test: 19/20 bowls completed but puzzle task also stuck
OpenAI's GPT-6 Astra vs Claude Fable 5.1 controlling a pair of YAM arms under the same agent policy: 19/20 vs 8/20 on block-into-bowl in interleaved blinded pairs, 2/20 vs 2/20 on the puzzle, with 80% fewer output tokens…
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