Just now, Anthropic officially announced that Claude Opus 4.6 Fast Mode is now live.
This is an optimized version that is 2.5 times faster than the standard version.
Currently, this mode is available as an early experimental feature to Claude Code users and API users. Platforms such as Cursor, GitHub Copilot, Figma, v0, Windsurf, etc., are among the first to support a preview of this feature.
The official team stated that over the past few weeks, they have been using this version for development, and the experience has improved significantly for back-and-forth interactions when tackling tricky problems.
Key details of this update are as follows:
