Robocurve says Opus 5.5 matches Astra on robots for 21% less
Across 360 real-robot trials, Opus 5.5 averaged 36% progress at an estimated 90 cents per run; Astra completed more tasks outright.
By Ryan Merket · Published
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Why it matters
The benchmark puts a measurable cost and performance comparison on real robot trials, while its selection of Astra's easiest tasks and low completion counts show why average progress alone is an incomplete proxy for useful autonomy.
On September 23rd, Jay Chooi (@chooi_jeq) and four colleagues at Robocurve reported that Opus 5.5 achieved nearly the same average progress as GPT-6 Astra across 360 real-robot trials, at a lower estimated model-inference cost. The comparison comes from Robocurve's own RoboDojo-RC Tier 1 report, which also makes clear what the headline averages leave out: Astra completed five tasks, while Opus 5.5 completed one.…
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