Claude Sonnet 5.5 在 Arena 限时开放测试
Anthropic 在 Arena 开放 Sonnet 5.5 限时测试，速度更快成本更低，想体验的抓紧时间。
Anthropic 发布 Claude Sonnet 5.5 模型，这是 Claude 5.5 系列中的第二款模型。该模型在 Arena 平台的 Direct 模式下提供 48 小时限时测试，直到 10 月 2 日上午 8 点太平洋时间。Sonnet 5.5 相比 Sonnet 5 有明显升级，运行速度提升超过 30%，成本降低最多 30%。
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. Claude @claudeai Introducing Claude Sonnet 5.5, the second model in the Claude 5.5 family. It’s a clear upgrade over Sonnet 5, runs more than 30% faster, and costs up to 30% less for most work. Your browser does not support the video tag. 🔗 View on Twitter 🔗 View Quoted Tweet 💬 4 🔄 1 ❤️ 56 👀 5358 📊 8 ⚡
