Fable 5.1 boosts robot arm block-in-bowl success from 5% to 40% with 1.5x fewer tokens
ycombinator · x · 2026-09-05
Fable 5.1 is 8x better than Fable 5 at controlling robot arms: it puts a block into a bowl 40% of the time, up from 5% (20 runs each), while using 1.5x fewer tokens. A detailed thread is linked in the post.
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