Speaking at JP_Stripes Connect 2026 — The Reality of Building and Billing AI Products, in Yokohama

On August 1, 2026, I attended JP_Stripes Connect 2026 in person at Iwasaki Gakuen Information Technology College in Yokohama, and spoke at the track session 'The Reality of Building and Billing AI Products.' This post summarizes the topics I covered (building AI products in production, and designing token-based and usage-based billing on Stripe), along with the full list of URLs I referenced on stage.

Paused My OSS Individual Sponsorships

I paused my OSS individual sponsorships. The 2026 Kumamoto earthquake made me reallocate my personal resources from OSS to my hometown of Kumamoto. I plan to restart around 2027.

Managing Large Binaries on GitHub — Git LFS and Its Alternatives Compared at 10 GB, 100 GB, and 1000 GB

Model files, game assets, build artifacts. The size of binaries you want to keep next to source code tends to grow by an order of magnitude at a time: 10 GB, then 100 GB, then 1 TB. Git LFS is perfectly viable at 10 GB, starts to break down past 100 GB, and by 1 TB an object-storage bridge is essentially mandatory. This post lines the options up against July 2026 pricing and shows where each scale changes the winner.