Claude Fable 5.2 Drives Robots and Designs Hardware

Key Takeaways

1Fable 5.2 and Mythos 5.2 are presented as the most powerful models from Anthropic

2Fable 5.2 demonstrates capabilities in robotic control and hardware design

3Fable 5.2 leads the Artificial Analysis Intelligence Index v5 with 65 points

4Access varies by profile, with a free trial for Claude Pro subscribers until November 16

Why it matters : These models represent a milestone in the application of AI to robotics and hardware engineering, while setting new performance standards.

Anthropic unveils two models, Fable 5.2 and Mythos 5.2, touted as its most powerful yet. The company claims advancements in robotics and hardware engineering, while Fable 5.2 tops an Artificial Analysis index. Access varies by profile, with a trial window for Claude Pro subscribers.

Fable 5.2 showcased in robotic arm control

Anthropic reports progress in robotics with its new models. The company asserts that Fable 5.2 significantly enhances the control of physical robots, even for tasks that have not been explicitly trained. A video released by the company shows robotic arms controlled by Fable 5.2 solving a Rubik’s cube, opening a bottle, and creating drawings.

Three functional devices designed from short prompts

Fable 5.2 is presented as particularly effective for designing electronic circuits. Anthropic states that it prompted the model to conceive and create three operational electronic devices, each featuring its own printed circuit board, a case produced via 3D printing, and software. According to the company, the model generated a voice assistant hub, a USB speakerphone, and a portable virtual pet, all from prompts limited to a single paragraph.

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Claimed performance in coding, agents, and research

According to evaluations shared by Anthropic, Fable 5.2 outperforms other models in most major tests, particularly in coding, agent tasks, and research applications. The model can also be used to tackle open problems in physics or mathematics. Claude Mythos 5.2 is presented as going even further on topics of biology and cybersecurity.

Top position in an index and controlled access by profiles

Fable 5.2 ranks first in the Artificial Analysis Intelligence Index v5 with a score of 65, five points ahead of Gemini 4 Carbon (60) and six points ahead of Claude Opus 5.5 (59). Artificial Analysis also presents Fable 5.2 and Mythos 5.2 as the most powerful models on the market. Anthropic has officially designated Fable 5.2 and Mythos 5.2 as its highest-performing models to date. Access is differentiated: Fable 5.2 is available to the general public with restrictions in sensitive areas such as cybersecurity and biology, while Mythos 5.2 targets selected organizations for research or cyber defense. Additionally, Claude Pro subscribers can try Fable 5.2 at no extra cost until November 16.