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AI·2 min read

OpenAI's TamaGPT: A Palm-Sized Gadget Built With GPT-6 Astra

Two OpenAI employees designed TamaGPT, a handheld device for talking to Codex, in under a week using GPT-6 Astra. A contract maker built the prototype in a month.

A palm-sized handheld gadget called TamaGPT, built by OpenAI staff, that lets users talk to the Codex coding agent.
Image: ギズモード・ジャパン

OpenAI has shown off TamaGPT, a palm-sized gadget that lets users talk to its AI coding agent Codex. Two company employees built it as a side project, and the design phase took less than a week, according to OpenAI's post on X.

A contract manufacturer produced the prototype, which took about a month. That puts the whole path from idea to physical device at little more than five weeks, a pace that is hard to match for a hardware product.

What the AI did

OpenAI says the design relied on its flagship model, GPT-6 Astra. The model helped define the functional requirements, design the body structure and the electronic circuit board, work out how the device is operated, and write the software that runs it.

The story is not one of full automation. Astra did not get everything right, and human reviewers stepped in several times before manufacturing. The model reportedly struggled to consistently account for permitted dimensional tolerances and fine assembly details. The original idea also appears to have come from people rather than the AI.

Why it matters

TamaGPT is a product from an AI maker, but it illustrates a broader point about small teams. Two people rarely cover mechanical design, electronics and software well on their own. Using AI to fill those gaps lets a small group keep the speed and cohesion that are its main advantages.

OpenAI also said in its post that ChatGPT and Codex are helping engineers build for the physical world, with work across mechanical design, electrical engineering and simulation. The company is using the tools to help its own hardware teams iterate faster and is testing new workflows with industry collaborators.

With purely digital AI creations increasingly crowded, building physical objects may be the more interesting direction for small teams experimenting with these tools.

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Tags:openaitamagptcodexgpt-6 astraai hardware

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