RoboCurve has released results verifying the ability of OpenAI's GPT-6 Astra to control the robot arm "YAM" and perform specific tasks.
Model ReleasesOpenAIGPT-6 Astra
OpenAI's GPT-6 Astra Outperforms Claude Fable 5.1 in Robot Arm Control
This article is a translation. Read the Japanese original
In the task of "picking up a red block from a table and placing it in a bowl," Astra succeeded in 19 out of 20 trials. In comparison, Claude Fable 5.1 succeeded 8 times, while Claude Fable succeeded only once.
Differences were observed not only in success rates but also in efficiency. For the bowl task, Astra's average time per trial was 2.5 minutes, significantly reducing the 6.8 minutes required by Fable 5.1. Regarding cost, Astra's estimated cost per trial was $0.94, which is lower than Fable 5.1's $2.12.
On the other hand, performance differences were limited in the task of "fitting a round blue puzzle into the correct groove." Astra succeeded 2 times out of 20, and Fable 5.1 also succeeded 2 times. It was reported that Astra stopped during the final stage after reaching the groove, leaving challenges similar to those of the Fable series.
Source: GPT-6 Astra on robot arms (Hacker News Frontpage, 2026-09-06)