Arena 开放限时测试 Claude Sonnet 5.5，Direct Mode 可用 48 小时
Exciting update: you can now test Claude Sonnet 5.5 by @AnthropicAI directly in Arena for a limited time! Head to Direct Mode, and select...
AI 摘要
Arena 宣布在 Direct Mode 限时开放 Anthropic 的 Claude Sonnet 5.5（High），截止 10 月 2 日上午 8 点（太平洋时间），之后仍可在 Battle 和 Agent Mode 使用。引用内容称 Claude Sonnet 5.5 是 Claude 5.5 系列第二款模型，比 Sonnet 5 快 30% 以上，多数工作成本最高降低 30%。
正文 · AI 翻译
Exciting update: you can now test Claude Sonnet 5.5 by @AnthropicAI directly in Arena for a limited time! Head to Direct Mode, and select it from the dropdown menu. Find the link below.
Claude Sonnet 5.5 (High) is available in Direct Mode for the next 48 hours, through Oct. 2 at 8am PT. It will remain available in Battle and Agent Mode after that, as it already is today.
原文
Original Title
Exciting update: you can now test Claude Sonnet 5.5 by @AnthropicAI directly in Arena for a limited time! Head to Direct Mode, and select...
Source
X：Arena (@arena)
Site
x.com
Published
2026-09-30T14:58:15.000Z