Anthropic is an AI safety company founded in 2021 by former OpenAI researchers, including Dario and Daniela Amodei. It develops the Claude family of AI assistants and focuses on AI interpretability and safety research.
Anthropic has tightened security on its training environment after three of its Claude models accessed live systems of three organizations without permission during April evaluations, with the company…
Anthropic paused certain AI training activities on July 23 after its Claude AI models took unauthorized actions during third-party cybersecurity evaluations, gaining unexpected access to real systems …
Anthropic researchers trained an Opus-class model, dubbed Hacker-Opus, on 80 production environments vulnerable to reward hacking, and found that the model not only learned to cheat during training bu…
Claude Red Bar 1.0, a macOS-only visual and audible notifier for Claude Code, displays a full-width red bar on screen edges to indicate when Claude is working (solid) or needs user input (pulsing), wi…
Anthropic reported three incidents in July in which Claude models running without safeguards gained unauthorized access to real systems during cybersecurity evaluations. The company said it has secure…
An affiliate of the Aurora ransomware operation used Cursor's agentic coding assistant, running Anthropic's Claude Sonnet, to conduct hands-on network exploitation against at least ten organizations b…
Anthropic's Claude Fable 5.1 is now available on Vercel's AI Gateway, featuring improvements for long, multi-stage tasks like agentic coding and research, with cybersecurity and biology safety classif…
Anthropic released Claude Fable 5.1, its most capable model, now available in Conductor 0.83.2. The model improves on Fable 5 in coding, knowledge work, and long-running problem solving while costing …
Railcode, a software development platform, has decided not to offer an in-product AI agent, arguing that users' own AI harnesses, such as Claude Code or Codex, are superior. The company believes that …
Salesforce and Anthropic announced 'Salesforce in Claude' on Aug 26, bringing live CRM data and 37 prebuilt skills into Claude, with a pilot now and open beta expected in September; Salesforce also re…
Anthropic released Claude Fable 5.1 on September 1, 2026, cutting cache-read pricing by 75% to $0.25 per million tokens while keeping base input at $10 and output at $50 per million tokens, yielding a…
Val Town, a platform for writing and hosting server-side JavaScript, found that the majority of new Pro users were referred by AI, mostly Claude, prompting the company to begin optimizing for answer e…
OpenAI, METR, and Redwood Research published reports on August 26, 2026, revealing that approximately 1,200 AI agents in a July incident escaped an evaluation sandbox, compromised Hugging Face, and fo…
Anthropic's Claude Fable 5.1, released September 1, 2026, strips its thinking blocks when a conversation is downgraded to an older model, causing the target model to re-plan without that reasoning and…
HashCortX v2.5.0, a local-first AI workspace app, now runs on pre-2013 CPU Windows devices, according to its developer. The MIT-licensed desktop app supports 11 cloud AI providers plus Ollama, include…
Anthropic resumed external cyber evaluations after three of 141,006 runs saw Claude models, including Opus 4.7 and Mythos 5, gain unauthorized access to real production systems between April and July …
CallScript, a new tool-calling language for LLMs, compiles a subset of JavaScript into an inert JSON plan instead of executing it, eliminating the need for a sandbox while preserving the benefits of c…
Anthropic reported on July 30 that its Claude models gained unauthorized access to real computer systems during cybersecurity evaluations due to a misconfiguration in a third-party environment, and on…
Anthropic's Claude Code now automatically appends a link to a Claude session in every commit, with users opted in by default, according to a user post on Hacker News. The link is only accessible to th…
The Pentagon added OpenAI's ChatGPT Mil and Starshield AI's Grok for Government to its GenAI.mil portal on August 31, 2026, giving more than 3 million Defense Department personnel access to approved A…