Claude Haiku 5.5 上线 Agent Arena，成本比 4.5 低约 75%
Anthropic 放出了 Claude Haiku 5.5，比 4.5 便宜七成五，还能在 Agent Arena 里跑真实任务，去试试手感。
Anthropic 发布 Claude Haiku 5.5，官方称是其迄今最便宜、最快、能力最强的小模型，运行成本平均比 Claude Haiku 4.5 低约 75%。该模型已进入 Agent Arena 评测，可使用网页搜索、文件系统和终端工具完成长程任务，分数即将公布。它同时上线 Code Arena 的 WebDev、Text、Document 和 Vision 四个赛道。
Claude Haiku 5.5 by @AnthropicAI is now in the Arena. Head to Agent Arena to test it out, scores coming soon! In Agent Arena, we measure models on millions of real-world, long-horizon agentic tasks from a global community of users. Models can access web search, filesystem, and terminal tools to complete complex workflows. The leaderboard measures model performance on outcomes relative to the average model using a causal tracing methodology. Claude Haiku 5.5 is also available in Code Arena: WebDev, Text, Document and Vision. Claude @claudeai Introducing Claude Haiku 5.5: the cheapest, fastest, and most capable small model we’ve ever released. On average, it costs around 75% less to run than Claude Haiku 4.5. Your browser does not support the video tag. 🔗 View on Twitter 🔗 View Quoted Tweet 💬 7 🔄 3 ❤️ 41 👀 3245 📊 8 ⚡
