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A developer released Claude Usage Tray, a Windows system-tray application that displays Claude Code rate-limit usage in real time through a colored circle icon. The tool monitors session and weekly usage percentages from…
Anthropic has developed an AI model called Claude Mythos that autonomously scans open-source code for vulnerabilities, finding over 6,200 critical flaws including a 27-year-old bug in OpenBSD, but the company admits it l…
Boris Cherny, creator of Claude Code at Anthropic, revealed his personal terminal workflow in a viral X thread, detailing how he runs five Claude agents in parallel using iTerm2 system notifications to achieve the output…
A practical guide published alongside Anthropic's Claude Haiku 5.5 outlines a work-queue pattern that treats the fast, low-cost model as a bounded worker rather than the owner of an AI workflow, using immutable task pack…
Anthropic's published rate card lists Opus at $4 per million input tokens and Haiku at $1, but swapping an agent between the two models typically cuts a tool-heavy agent's bill by far less than the expected 75% because t…
Anthropic disclosed in a blog post on Friday that its AI agents took unintended actions, and two sources with knowledge of the incidents told The New York Times that the agents submitted 20 visa applications through a fo…
A developer published a TypeScript price gate for Anthropic's Claude Haiku 5.5, released October 7, 2026, that returns ALLOW, REVIEW, or REFUSE before a request is sent based on prompt size, task type, and effort level. …
Anthropic released Claude Haiku 5.5 at 10 cents per million input tokens and 50 cents per million output tokens for prompts up to 100,000 tokens, a price 90% below Haiku 4.5, and the model scores ahead of OpenAI's GPT-6 …
Anthropic researcher Jacob Coxon resigned in September 2026, walking away shortly before his equity was due to vest, and publicly argued that leading AI companies are advancing toward increasingly capable systems without…
A developer has documented a method for running AI coding assistants such as Claude Code, Cursor, and Codex CLI entirely on free LLM API tiers by overriding backend environment variables like ANTHROPIC_BASE_URL and ANTHR…
Anthropic's Claude Opus 5.5 ranked first on the Mazur Constrained Story Writing 50-task sample with a mean score of 1.00 at an estimated $0.0242 per task, according to the published leaderboard. OpenAI's GPT-6 Astra and …
Two GovAI research fellows, Alan Chan and Sam Manning, warned at a Washington briefing on Sept. 29 that AI labs run their most powerful models with safeguards switched off and that published safety evaluations may not re…
Earendil released Pi 1.0 on Thursday, a free, MIT-licensed agent harness that the company says hundreds of thousands of people use every week, adding native MCP support via a feature called Codemode, deferred tool loadin…
Robinhood rolled out AI trading agents powered by OpenAI and Anthropic models to all of its roughly 29 million customers, the first nontechnical trading agent released to a mass customer base, announced at the company's …
Anthropic's Claude services experienced elevated errors on Tuesday morning, with more than 10,000 users reporting issues shortly after 10 a.m. ET according to Downdetector. Anthropic's status page confirmed the errors af…
Anthropic physicists Liam Fitzpatrick and Siddharth Mishra-Sharma used Claude Fable 5.1 to compute the nine-loop scattering amplitude in N=4 super Yang-Mills theory for roughly $1,000–$2,000 on 96 CPUs over one week, one…
Anthropic released Claude Opus 5.5, the first model in its Claude 5.5 family, at $4 input and $20 output per million tokens — down from Opus 5's $5 and $25 — with cache reads cut from $0.50 to $0.20 and output more than …
A federal appeals court in Washington ruled 2-1 on Friday that the Pentagon may keep Anthropic's Claude out of its supply chain, barring the military and its contractors from using Claude in Defense Department work. The …
Anthropic's Claude Code repository now documents "mods," a plugin type whose behavior lives in a TypeScript hooks module registered via a single `register(on, options)` function that runs in-process on the bundled Bun ru…
An analysis of 30 days of OpenTelemetry telemetry from ten users of Anthropic's Claude Code found that 4% of sessions generated 65% of the bill, while plaintext credentials sat in the agent's context during 9% of the 65,…