Anthropic 宣布 Claude 平台上的 Opus 5.5 fast mode 不再处于研究预览阶段，并已移除等待名单。该模式速度最高提升 2.5 倍，定价为 $8 / $40 per million tokens；现已登陆 Microsoft Foundry（Azure 托管），Google Cloud 即将支持。Claude Code 中的 fast mode 保持不变，消耗额外 usage credits。文档见 https://platform.claude.com/docs/en/build-with-claude/fast-mode
原文给出了 fast mode 正式开放后的速度、定价和平台覆盖变化，读者可据此评估是否切换到该模式。
Opus 5.5 fast mode in the Claude Platform is no longer in research preview, and we’ve removed the waitlist!
It’s the same Opus 5.5 but up to 2.5x faster, at $8 / $40 per million tokens.
It's also available in Microsoft Foundry (Hosted on Azure), with Google Cloud coming soon.
Fast mode in Claude Code remains unchanged, and uses extra usage credits.
See our docs here:
https://platform.claude.com/docs/en/build-with-claude/fast-mode
Fast mode for Claude Opus 4.7 is now available in research preview on the API and in Claude Code.在 X 查看被引用的帖子
来源：ClaudeDevs · x.com