Polimill builds Japan's next-generation public AI infrastructure

Polimill uses OpenAI GPT models and Codex to help municipalities search and use administrative knowledge while accelerating development.

OpenAI published an update on 31 August 2026 about Polimill builds Japan's next-generation public AI infrastructure.

The announcement matters for teams that rely on models, automation and digital production — especially around cost, tooling and delivery speed.

Polimill uses OpenAI GPT models and Codex to help municipalities search and use administrative knowledge while accelerating development.