Anthropic removed fast mode for Claude Opus 4.6; fast requests now run at standard speed and rates.

Fast mode calls to claude-opus-4-6 return no error, but run and bill at standard settings.

Fast mode remains tied to supported models; builders using it on Opus 4.6 need to migrate to Claude Opus 4.8.

• Jun 30, 2026Google pricing diff shows Gemini Developer API pricing content removed from the monitored page
• Jun 29, 2026OpenAI modelcard diff removes the prior API docs navigation.
• Jun 29, 2026Google's Gemini pricing snapshot removed Gemini Developer API pricing content and model list.

This is the world we build in. It moves this fast. We move with it.