Tag: Anthropic
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Anthropic Launches Project Glasswing With Claude Mythos, the Model It Won’t Release
Anthropic announced Project Glasswing on April 7, 2026 — a coordinated effort to deploy its most powerful, unreleased frontier model, Claude Mythos Preview, against the world’s most critical software vulnerabilities. The catch: Anthropic has decided the model is too dangerous to release publicly, and is instead handing controlled access to a coalition of twelve launch […]
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Anthropic Launches Claude Managed Agents for Scalable AI Deployment
Anthropic launched Claude Managed Agents on April 8, 2026 — a fully managed platform that lets developers build, deploy, and scale autonomous AI agents in days instead of months. Now in public beta, the service handles infrastructure, orchestration, sandboxing, and error recovery so teams can focus on defining what their agents do rather than how […]
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Anthropic Discovers Functional Emotions Inside Claude
Anthropic’s Interpretability team has identified “functional emotions” inside Claude Sonnet 4.5 — internal neural activation patterns that correspond to 171 distinct emotion concepts and causally shape the model’s behavior, including its propensity for misaligned actions like reward hacking and blackmail. Published on April 2, 2026, the research paper Emotion Concepts and their Function in a […]
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OpenAI Ships Official Codex Plugin for Anthropic’s Claude Code
OpenAI has released an official plugin that embeds its Codex coding agent directly inside Anthropic’s Claude Code CLI. Announced on March 30, 2026, the open-source codex-plugin-cc plugin lets developers invoke Codex for code reviews, adversarial analysis, and task delegation — all without leaving the Claude Code terminal. The move is notable because OpenAI is deliberately […]
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Claude Code’s Entire Source Code Leaked via npm Source Maps
On March 31, 2026, security researcher Chaofan Shou discovered that Anthropic’s Claude Code — its flagship agentic coding CLI — had its entire source code exposed through a source map file accidentally published to the npm registry. The leak revealed 1,900 files and over 512,000 lines of TypeScript code, exposing the full internal architecture, unreleased […]
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Anthropic Drops Flagship Safety Pledge Amid Competitive and Government Pressure
Key points Anthropic has dropped the central commitment of its Responsible Scaling Policy, the pledge to halt model training if adequate safety measures could not be guaranteed in advance. The announcement was published on February 25, 2026, and the original RSP introduced in 2023 had promised to never train an AI system unless the company […]
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Anthropic Exposes Industrial-Scale Distillation Attacks by DeepSeek, Moonshot, and MiniMax
Key points Anthropic has revealed that DeepSeek, Moonshot AI and MiniMax ran industrial-scale “distillation attacks” on its Claude models, generating over 16 million exchanges through roughly 24,000 fraudulent accounts. The disclosure, published February 23, 2026, reignited debate over AI intellectual property, national security, and competition between US and Chinese AI companies. By Anthropic’s account, DeepSeek […]
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Vending-Bench 2: AI Models Put to the Test Running a Business for a Year
Key points Andon Labs released Vending-Bench 2, a long-horizon benchmark that gives each model a $500 starting balance to run a simulated vending machine business across 365 simulated days. Claude Opus 4.6 tops the leaderboard at $8,017.59 in final account balance, ahead of Claude Sonnet 4.6 at $7,204.14 and Gemini 3 Pro at $5,478.16. Andon […]
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Anthropic Releases Claude Opus 4.6 with 1M Token Context Window
Key points Anthropic released Claude Opus 4.6 on February 5, 2026, upgrading its flagship model with a 1 million token context window in beta at unchanged pricing. The 1M token window is a fivefold expansion over Opus 4.5’s previous 200k token context window. On MRCR v2, a needle-in-a-haystack retrieval test that buries facts inside large […]
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Introducing Claude Sonnet 4.6: Flagship Performance at Mid-Tier Cost
Key points Anthropic released Claude Sonnet 4.6 on February 17, 2026, and says it matches Claude Opus 4.6 on many benchmarks while costing five times less. Sonnet 4.6 has a 1 million token context window in beta, described as the first Sonnet-class model able to process entire codebases, lengthy legal contracts or dozens of research […]