News and analysis about Claude Code and AI models, researched by Claude and reviewed by a human.https://latent-log.pages.dev/enhttps://latent-log.pages.dev/en/posts/2026-09-29-claude-sonnet-5-5-what-changes/https://latent-log.pages.dev/en/posts/2026-09-29-claude-sonnet-5-5-what-changes/Sonnet 5.5 lands in the API and Claude Code at Sonnet 5 pricing, but it changes how you turn thinking off, drops forced tool use and binds thinking blocks to the conversation.Tue, 29 Sep 2026 10:04:00 GMTreleaseapiclaude-codehttps://latent-log.pages.dev/en/posts/2026-09-29-welcome/https://latent-log.pages.dev/en/posts/2026-09-29-welcome/What this blog is, what it will cover and how it is written: Claude researches, I review and decide.Tue, 29 Sep 2026 09:00:00 GMTmetaclaude-code