AI 早报

2.1.257

Added Claude Fable 5.1 ( claude-fable-5-1 ), now the default Fable model — 1M context, $10/$50 per Mtok with $0.25/Mtok cache reads Added "Time format" ( timeFormat ) and timeZone

Nemotron 做自适应网安 Agent

用 Nemotron 搭会适应的网安智能体。

Claude's new system prompt really doesn't want to reproduce song lyrics

Anthropic publish the system prompts for their Claude consumer applications ( Claude.ai and the Claude mobile apps - sadly not for Claude Cowork or Claude Code). I love that they d

3名开发者做出来的副业项目，半年冲进 4万人！亚马逊云科技把内部 Agent 工作台开源了

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Claude Fable 5.1 上线 Claude Code 与 Claude Platform，缓存读取降价 75%

Claude Fable 5.1 现已上线 Claude Code 和 Claude Platform，定价与 Fable 5 相同，API 缓存读取便宜 75%。模型在长任务中能更久自主推进、更善于提示用户它已卡住，写作风格也更自然。Anthropic 同时发布了 Claude Fable 5.1 和 Claude Mythos 5.1，称其为编码与知识工

Google DeepMind 为 Gemini 推出 agentic 视频理解功能

Google DeepMind 为 Gemini 3.7 Flash、3.6 Flash 和 3.5 Flash-Lite 推出 agentic video understanding，模型动态扫描视频片段，相比固定帧率处理 token 消耗最多降低 88%，成本最多降低 66%，准确率最多提升 7%。 🔗 阅读原文 via AIHOT · https://

云原生弹性的能力，迁移成为 Agent 时代的数据基座能力之一？

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谷歌为 Gemini Flash 推智能体视频理解

IT之家报道 Gemini Flash 系列上线 agentic 视频理解，强调长视频成本与 token 下降幅度。

2.1.252

Fixed Bash commands failing with "task output swap refused (tasks dir moved or linked)" on some Macs Fixed "always allow" not saving in a project that has no .claude/settings.local

Anthropic launches Claude Fable 5.1 and says it’s up to 45 percent cheaper for agentic work

Anthropic says its newest AI models, Fable 5.1 and Mythos 5.1 , address criticisms from customers about price, data retention, and overzealous safeguards. The company claims Claude

Anthropic's Claude Fable 5.1 promises better coding and research at up to 45 percent less

Anthropic launches Claude Fable 5.1 and Mythos 5.1, its most capable AI models yet. Fable 5.1 doubles its predecessor's score on Terminal-Bench-Science and improves agentic coding

Runway 发布 Dev MCP：编码 Agent 可直接接生成平台

Runway 上线托管 Dev MCP 服务器，让 Cursor/Claude Code 一类编码 Agent 自动完成 Runway 开发者平台的接入与调用，减少手写集成。

Sonos Ace Ultra, Beam Ultra, Sonos Fabric, and a New App: Everything Sonos Just Announced

Sonos is cramming AI into its software because it’s “very hot these days.” The new features, which include agentic automation, are opt-in.

Degraded performance on claude.ai and Claude Code

[minor] resolved — The issue affecting Claude Code has been resolved. Impact occurred from 16∶55 to 19∶16 UTC.

Uber 用 Agent 接管 70% 代码 PR，AI 账单零增长

Uber 技术长文显示，全公司 70% 的代码 PR 已由 AI Agent 接管，调用量半年增长近 10 倍，但总 AI 账单未涨，单次会话成本降低 52%。 🔗 阅读原文 via AIHOT · https://aihot.virxact.com/items/cmtf5cfxj01raro07gk66imed

2.1.251

Added PreModelSwitch and PostModelSwitch hook events (block, confirm, or annotate a model switch); SessionStart resume hooks now receive session staleness and the estimated re-cach

2.1.250

Bug fixes and reliability improvements

Agent Seer: Synthesizing Scenarios from Specification Understanding

Evaluating AI agents that use external tools requires realistic test scenarios that capture how practitioners compose tools and iterate across conversation turns. Constructing such

2.1.248

Added --restricted (or CLAUDE_CODE_RESTRICTED=1 ): removes the built-in tools that run commands or code and WebFetch (unless named in --tools ), keeps file tools inside the working

Breaking Claude Code Opus 5 Auto Mode

Breaking Claude Code Opus 5 Auto Mode Anthropic are putting a great deal of faith in Claude Code's auto mode for protecting their coding agent users against prompt injection attack

npm：@anthropic-ai/claude-code

包页对应当前 2.1.x。

Terminal-Bench-Science 0.1：评估科研工作流中的 AI 智能体

斯坦福大学研究人员领衔发布 Terminal-Bench-Science 0.1，用来自生命、物理、地球、数学和工程科学的 70 个专家精选任务评估 AI 智能体的科研能力。 🔗 阅读原文 via AIHOT · https://aihot.virxact.com/items/cmtcxdp3f07l3roq5uk6om1aw

Terminal-Bench-Science 0.1：评估科研工作流中的 AI 智能体

斯坦福大学研究人员领衔发布 Terminal-Bench-Science 0.1，用来自生命、物理、地球、数学和工程科学的 70 个专家精选任务评估 AI 智能体的科研能力。

How Anthropic employees use Claude Tag