6 of 47 Japanese-language candidates. Sources are a hand-picked whitelist, the ordering comes from model scoring, and the bar is whether it is useful to someone building AI in Japan — each entry says why we picked it. Most of this exists only in Japanese and never surfaces in English-language feeds.
01 「おためし転職」 Open-Sources 16 AI Skills for Job Hunting, Career Changes, and Recruitment
「おためし転職」、就活・転職・採用を支援するAIスキル16種をオープンソースで公開
CompanyPR TIMES
フィシルコム株式会社 has open-sourced Otame4 Work Skills on GitHub, a collection of Agent Skills that uses AI agents to support job hunting, career changes, and recruitment.
Why choose itThe company has released the tool as open source, so teams can access and test it immediately.
03 キユーピー Cuts Factory Simulation Model Development Time by 80% with AI—How Did It Overcome Three Barriers?
キユーピー、AIで工場シミュレーションモデルの開発工数を8割削減 3つの壁をどう乗り越えた?
MediaITmedia AI+
Factory simulation models require specialized software and language expertise, often creating dependence on individual specialists. キユーピー used generative AI to improve efficiency while addressing three implementation challenges.
Why choose itThis real-world deployment in Japanese manufacturing offers a useful playbook for improving operational efficiency.
05 Anthropic Releases Claude Opus 5.5 With Fable 5.1-Level Performance at 40% Lower Cost
Anthropic、「Claude Opus 5.5」公開 Fable 5.1並みの性能で利用コスト4割減
MediaITmedia AI+
Claude Opus 5.5 matches Fable 5.1 on many tasks while costing about 40% less than Opus 5. It is available immediately through Pro and higher paid plans and the API.
Why choose itThe API is now available and offers meaningful cost savings, making it a timely candidate for testing or migration.