What happened
Fixstars said on Nov 5 it began offering open-weight models on GPU servers in Japan, working with Kokusai Chotatsu Joho; the first model is DeepSeek's DeepSeek-V4.1-Flash-1017, delivered through the FastMetal API.
Why it matters
Input data is processed only on Fixstars' domestic GPU servers, which the company says do not store input or output data — a setup likely aimed at firms wary of sending data abroad.
WHO IT HITSJapanese companies that want to use open-weight AI models but need data to stay inside the country — particularly legal, medical or public-sector IT teams — get a domestic option, though the model lineup currently starts with a single DeepSeek model.
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The service pairs Fixstars, a software developer based in Minato, Tokyo, with Kokusai Chotatsu Joho, a domain-registration and procurement-information company in Chiyoda, Tokyo. Fixstars handles the GPU servers and the management and optimization of the AI models, while access is delivered through Kokusai Chotatsu Joho's AI gateway service, FastMetal.
The arrangement splits the work so that the model runs on hardware inside Japan. Fixstars says input data is processed only on its domestic GPU servers, that its technology speeds up the AI processing, and that the servers do not retain input or output data. For buyers, that combination of domestic processing and no data retention is likely to be the main draw.
Commercial terms are published up front: 48 yen per 1 million input tokens, 192 yen per 1 million output tokens, and 0.96 yen for cache reads. Fixstars says it intends to add more models beyond DeepSeek-V4.1-Flash-1017, so the breadth of the catalog may be the thing to watch as the service develops.
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